Turn some license strings into lib.licenses values

55 files changed, 56 insertions, 58 deletions

diff --git a/pkgs/games/andyetitmoves/default.nix b/pkgs/games/andyetitmoves/default.nix
index cf3f6e1563b..6f5fc2add3a 100644
--- a/pkgs/games/andyetitmoves/default.nix
+++ b/pkgs/games/andyetitmoves/default.nix
@@ -68,7 +68,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.andyetitmoves.net/;
 
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
 
     maintainers = with stdenv.lib.maintainers; [bluescreen303];
   };
diff --git a/pkgs/games/anki/default.nix b/pkgs/games/anki/default.nix
index 77891f43881..86f4b961315 100644
--- a/pkgs/games/anki/default.nix
+++ b/pkgs/games/anki/default.nix
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
         * mastering long poems
         * even practicing guitar chords!
       '';
-      license = "GPLv3";
+      license = stdenv.lib.licenses.gpl3;
       maintainers = with stdenv.lib.maintainers; [ the-kenny ];
       platforms = stdenv.lib.platforms.mesaPlatforms;
     };
diff --git a/pkgs/games/asc/default.nix b/pkgs/games/asc/default.nix
index bf2fb1e89c2..93297171bcb 100644
--- a/pkgs/games/asc/default.nix
+++ b/pkgs/games/asc/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.asc-hq.org/;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/games/ball-and-paddle/default.nix b/pkgs/games/ball-and-paddle/default.nix
index c923f089405..4a7eb9376da 100644
--- a/pkgs/games/ball-and-paddle/default.nix
+++ b/pkgs/games/ball-and-paddle/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
       with Guile.  Follow the example level sets and the documentation.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     homepage = http://www.gnu.org/software/ballandpaddle/;
 
diff --git a/pkgs/games/banner/default.nix b/pkgs/games/banner/default.nix
index 3bb17b3e02f..b4e61b6d1d1 100644
--- a/pkgs/games/banner/default.nix
+++ b/pkgs/games/banner/default.nix
@@ -37,7 +37,7 @@ mkDerivation "banner-1.3.2" "0dc0ac0667b2e884a7f5ad3e467af68cd0fd5917f8c9aa19188
   meta = {
     homepage = "http://shh.thathost.com/pub-unix/";
     description = "print large banners to ASCII terminals";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     longDescription = ''
       An implementation of the traditional Unix-program used to display
diff --git a/pkgs/games/bitsnbots/default.nix b/pkgs/games/bitsnbots/default.nix
index 252f881c375..57cd67fbb7b 100644
--- a/pkgs/games/bitsnbots/default.nix
+++ b/pkgs/games/bitsnbots/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Simple puzzle game with moving robots";
     homepage = "http://moikmellah.org/blog/?page_id=19";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/games/blackshadeselite/default.nix b/pkgs/games/blackshadeselite/default.nix
index 0f4904bfed9..d7e2cf4894d 100644
--- a/pkgs/games/blackshadeselite/default.nix
+++ b/pkgs/games/blackshadeselite/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://home.gna.org/blackshadeselite/;
     description = "Fork of Black Shades";
-    license = "GPLv2+"; # Says its gna.org project page
+    license = stdenv.lib.licenses.gpl2Plus; # Says its gna.org project page
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/games/btanks/default.nix b/pkgs/games/btanks/default.nix
index 085c7c4082c..46f5b3d0183 100644
--- a/pkgs/games/btanks/default.nix
+++ b/pkgs/games/btanks/default.nix
@@ -22,6 +22,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://sourceforge.net/projects/btanks/;
     description = "Fast 2d tank arcade game";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/bzflag/default.nix b/pkgs/games/bzflag/default.nix
index ce3a0c8fa3c..0798173a64d 100644
--- a/pkgs/games/bzflag/default.nix
+++ b/pkgs/games/bzflag/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Multiplayer 3D Tank game";
     homepage = http://bzflag.org/;
-    license = "LGPLv2.1+";
+    license = stdenv.lib.licenses.lgpl21Plus;
   };
 }
diff --git a/pkgs/games/crack-attack/default.nix b/pkgs/games/crack-attack/default.nix
index 99bf2d41fd6..538efebf833 100644
--- a/pkgs/games/crack-attack/default.nix
+++ b/pkgs/games/crack-attack/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A fast-paced puzzle game inspired by the classic Super NES title Tetris Attack!";
     homepage = http://www.nongnu.org/crack-attack/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.piotr ];
   };
diff --git a/pkgs/games/crrcsim/default.nix b/pkgs/games/crrcsim/default.nix
index 944b67041c2..b50aa704048 100644
--- a/pkgs/games/crrcsim/default.nix
+++ b/pkgs/games/crrcsim/default.nix
@@ -18,7 +18,6 @@ stdenv.mkDerivation rec {
     description = "A model-airplane flight simulator";
     maintainers = with stdenv.lib.maintainers; [ raskin the-kenny ];
     platforms = stdenv.lib.platforms.linux;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
-
diff --git a/pkgs/games/dhewm3/default.nix b/pkgs/games/dhewm3/default.nix
index 6036d7fabd5..f0d885c1f88 100644
--- a/pkgs/games/dhewm3/default.nix
+++ b/pkgs/games/dhewm3/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = https://github.com/dhewm/dhewm3;
     description = "Doom 3 port to SDL";
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
   };
 
 }
diff --git a/pkgs/games/dwarf-therapist/default.nix b/pkgs/games/dwarf-therapist/default.nix
index 1a026132e52..8cc1b9933cd 100644
--- a/pkgs/games/dwarf-therapist/default.nix
+++ b/pkgs/games/dwarf-therapist/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Tool to manage dwarves in in a running game of Dwarf Fortress";
     maintainers = with stdenv.lib.maintainers; [ the-kenny ];
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
     homepage = https://code.google.com/r/splintermind-attributes/;
diff --git a/pkgs/games/egoboo/default.nix b/pkgs/games/egoboo/default.nix
index 1f879393868..96ff52446ec 100644
--- a/pkgs/games/egoboo/default.nix
+++ b/pkgs/games/egoboo/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
     description = "3D dungeon crawling adventure";
 
     homepage = http://www.freedink.org/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     # I take it out of hydra as it does not work as well as I'd like
     # maintainers = [ stdenv.lib.maintainers.bjg ];
diff --git a/pkgs/games/freedink/default.nix b/pkgs/games/freedink/default.nix
index a30ff7e2f87..94451ef8930 100644
--- a/pkgs/games/freedink/default.nix
+++ b/pkgs/games/freedink/default.nix
@@ -43,7 +43,7 @@ in stdenv.mkDerivation rec {
     '';
 
     homepage = http://www.freedink.org/;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ stdenv.lib.maintainers.bjg ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/games/gav/default.nix b/pkgs/games/gav/default.nix
index d83358cd69d..d26dfc2401c 100644
--- a/pkgs/games/gav/default.nix
+++ b/pkgs/games/gav/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Remake of AV Arcade Volleyball";
     homepage = http://gav.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/gltron/default.nix b/pkgs/games/gltron/default.nix
index b58654f1f42..d925c8810bf 100644
--- a/pkgs/games/gltron/default.nix
+++ b/pkgs/games/gltron/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.gltron.org/;
     description = "Game based on the movie Tron";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/games/gnugo/default.nix b/pkgs/games/gnugo/default.nix
index 21c4195b28b..3f1d52c5fc0 100644
--- a/pkgs/games/gnugo/default.nix
+++ b/pkgs/games/gnugo/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   meta = {
     description = "GNU Go - A computer go player";
     homepage = "http://http://www.gnu.org/software/gnugo/";
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
   };
 
 }
diff --git a/pkgs/games/icbm3d/default.nix b/pkgs/games/icbm3d/default.nix
index ee792ef1e4d..7bdcc7afecd 100644
--- a/pkgs/games/icbm3d/default.nix
+++ b/pkgs/games/icbm3d/default.nix
@@ -17,6 +17,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.newbreedsoftware.com/icbm3d/;
     description = "3D vector-based clone of the atari game Missile Command";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/instead/default.nix b/pkgs/games/instead/default.nix
index 6ab6b8d79d7..8668de26a19 100644
--- a/pkgs/games/instead/default.nix
+++ b/pkgs/games/instead/default.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Simple text adventure interpreter for Unix and Windows";
     homepage = http://instead.syscall.ru/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/games/klavaro/default.nix b/pkgs/games/klavaro/default.nix
index cbc445f6216..c7b40db5caf 100644
--- a/pkgs/games/klavaro/default.nix
+++ b/pkgs/games/klavaro/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Just another free touch typing tutor program";
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/games/kobodeluxe/default.nix b/pkgs/games/kobodeluxe/default.nix
index 70288e549a4..8fe7591cde0 100644
--- a/pkgs/games/kobodeluxe/default.nix
+++ b/pkgs/games/kobodeluxe/default.nix
@@ -18,6 +18,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://olofson.net/kobodl/;
     description = "Enhanced version of Akira Higuchi's game XKobo  for Un*x systems with X11";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/minetest/default.nix b/pkgs/games/minetest/default.nix
index f2ac737486c..f19596789ce 100644
--- a/pkgs/games/minetest/default.nix
+++ b/pkgs/games/minetest/default.nix
@@ -35,6 +35,6 @@ in stdenv.mkDerivation {
   meta = {
     homepage = "http://minetest.net/";
     description = "Infinite-world block sandbox game";
-    license = "LGPLv2.1+";
+    license = stdenv.lib.licenses.lgpl21Plus;
   };
 }
diff --git a/pkgs/games/naev/default.nix b/pkgs/games/naev/default.nix
index c2a7ee90a1f..580b27ab21d 100644
--- a/pkgs/games/naev/default.nix
+++ b/pkgs/games/naev/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
   meta = {
     description = "2D action/rpg space game";
     homepage = http://www.naev.org;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/games/njam/default.nix b/pkgs/games/njam/default.nix
index 4062405407b..88cfbe98851 100644
--- a/pkgs/games/njam/default.nix
+++ b/pkgs/games/njam/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://trackballs.sourceforge.net/;
     description = "Cross-platform pacman-like game";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/oilrush/default.nix b/pkgs/games/oilrush/default.nix
index f62570dbd08..49dbb7ba82b 100644
--- a/pkgs/games/oilrush/default.nix
+++ b/pkgs/games/oilrush/default.nix
@@ -67,7 +67,7 @@ stdenv.mkDerivation {
       of Tower Defense. 
     '';
     homepage = http://oilrush-game.com/;
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
     #maintainers = with stdenv.lib.maintainers; [ astsmtl ];
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/games/openlierox/default.nix b/pkgs/games/openlierox/default.nix
index 0c7e46ae074..b031cb3f0dd 100644
--- a/pkgs/games/openlierox/default.nix
+++ b/pkgs/games/openlierox/default.nix
@@ -34,6 +34,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://openlierox.net;
     description = "Real-time game with Worms-like shooting";
-    license = "LGPLv2+";
+    license = stdenv.lib.licenses.lgpl2Plus;
   };
 }
diff --git a/pkgs/games/openttd/default.nix b/pkgs/games/openttd/default.nix
index 09a7761326a..1b6b7f26a41 100644
--- a/pkgs/games/openttd/default.nix
+++ b/pkgs/games/openttd/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
         - observe as spectators
     '';
     homepage = http://www.openttd.org/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ jcumming the-kenny ];
   };
diff --git a/pkgs/games/openxcom/default.nix b/pkgs/games/openxcom/default.nix
index 04d2f2ecb8b..19aff03daca 100644
--- a/pkgs/games/openxcom/default.nix
+++ b/pkgs/games/openxcom/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
     repositories.git = https://github.com/SupSuper/OpenXcom.git;
     maintainers = [ stdenv.lib.maintainers.page ];
     platforms = stdenv.lib.platforms.linux;
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
   };
 
 }
diff --git a/pkgs/games/pioneers/default.nix b/pkgs/games/pioneers/default.nix
index 77e8ab3b92e..af9900cede5 100644
--- a/pkgs/games/pioneers/default.nix
+++ b/pkgs/games/pioneers/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://pio.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "Addicting game based on The Settlers of Catan";
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/games/planetaryannihilation/default.nix b/pkgs/games/planetaryannihilation/default.nix
index 009d07d4456..7c58b4ca1e8 100755
--- a/pkgs/games/planetaryannihilation/default.nix
+++ b/pkgs/games/planetaryannihilation/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     homepage = http://www.uberent.com/pa/;
     description = "next-generation RTS that takes the genre to a planetary scale";
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
     platforms = platforms.linux;
     maintainers = [ maintainers.iElectric ];
   };
diff --git a/pkgs/games/pong3d/default.nix b/pkgs/games/pong3d/default.nix
index d5f9ca6ee23..98cf0dbeed8 100644
--- a/pkgs/games/pong3d/default.nix
+++ b/pkgs/games/pong3d/default.nix
@@ -17,6 +17,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.newbreedsoftware.com/3dpong/;
     description = "One or two player 3d sports game based on Pong from Atari";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/racer/default.nix b/pkgs/games/racer/default.nix
index 8969b613ceb..06e43fd273f 100644
--- a/pkgs/games/racer/default.nix
+++ b/pkgs/games/racer/default.nix
@@ -25,6 +25,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Car racing game";
     homepage = http://hippo.nipax.cz/download.en.php;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/rigsofrods/default.nix b/pkgs/games/rigsofrods/default.nix
index 809bcc930d2..26c7e0a3667 100644
--- a/pkgs/games/rigsofrods/default.nix
+++ b/pkgs/games/rigsofrods/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "3D simulator game where you can drive, fly and sail various vehicles";
     homepage = http://rigsofrods.sourceforge.net/;
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [viric raskin];
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/games/rili/default.nix b/pkgs/games/rili/default.nix
index 934213279fa..fbf47653af9 100644
--- a/pkgs/games/rili/default.nix
+++ b/pkgs/games/rili/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   
   meta = {
     homepage = http://ri-li.sourceforge.net;
-    license = "GPL2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "A children's train game";
     longDescription = ''
      Ri-li is an arcade game licensed under the GPL (General Public License).
diff --git a/pkgs/games/scorched3d/default.nix b/pkgs/games/scorched3d/default.nix
index 3848f22ed20..cf55bcd597e 100644
--- a/pkgs/games/scorched3d/default.nix
+++ b/pkgs/games/scorched3d/default.nix
@@ -33,6 +33,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://scorched3d.co.uk/;
     description = "3D Clone of the classic Scorched Earth";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/simutrans/default.nix b/pkgs/games/simutrans/default.nix
index 196561d1e37..ea050d27869 100644
--- a/pkgs/games/simutrans/default.nix
+++ b/pkgs/games/simutrans/default.nix
@@ -94,7 +94,7 @@ let
       '';
 
       homepage = http://www.simutrans.com/;
-      license = "Artistic";
+      license = stdenv.lib.licenses.perl5;
       maintainers = [ stdenv.lib.maintainers.kkallio ];
       platforms = stdenv.lib.platforms.linux;
     };
diff --git a/pkgs/games/speed-dreams/default.nix b/pkgs/games/speed-dreams/default.nix
index 7a78235bdff..e6105eab95b 100644
--- a/pkgs/games/speed-dreams/default.nix
+++ b/pkgs/games/speed-dreams/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Car racing game - TORCS fork with more experimental approach";
     homepage = http://speed-dreams.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric raskin];
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/games/steam/default.nix b/pkgs/games/steam/default.nix
index 51149d4f260..1c9cc139343 100644
--- a/pkgs/games/steam/default.nix
+++ b/pkgs/games/steam/default.nix
@@ -94,7 +94,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A digital distribution platform";
     homepage = http://store.steampowered.com/;
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
   };
 }
 */
@@ -119,6 +119,6 @@ stdenv.mkDerivation {
   meta = {
     description = "A digital distribution platform";
     homepage = http://store.steampowered.com/;
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/games/stuntrally/default.nix b/pkgs/games/stuntrally/default.nix
index 31fd25a5150..7b258deef8a 100644
--- a/pkgs/games/stuntrally/default.nix
+++ b/pkgs/games/stuntrally/default.nix
@@ -41,6 +41,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Stunt Rally game with Track Editor, based on VDrift and OGRE";
     homepage = http://code.google.com/p/vdrift-ogre/;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/games/super-tux-kart/default.nix b/pkgs/games/super-tux-kart/default.nix
index cd2698665f6..29d3b4e4557 100644
--- a/pkgs/games/super-tux-kart/default.nix
+++ b/pkgs/games/super-tux-kart/default.nix
@@ -36,6 +36,6 @@ stdenv.mkDerivation rec {
 
     homepage = http://supertuxkart.sourceforge.net/;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/super-tux/default.nix b/pkgs/games/super-tux/default.nix
index 72a894b63af..c8e0d3f097f 100644
--- a/pkgs/games/super-tux/default.nix
+++ b/pkgs/games/super-tux/default.nix
@@ -23,6 +23,6 @@ stdenv.mkDerivation {
 
     homepage = http://supertux.lethargik.org/index.html;
 
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/games/teetertorture/default.nix b/pkgs/games/teetertorture/default.nix
index 18a911d563b..e5d9e5e9751 100644
--- a/pkgs/games/teetertorture/default.nix
+++ b/pkgs/games/teetertorture/default.nix
@@ -26,6 +26,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.newbreedsoftware.com/teetertorture/;
     description = "Simple shooting game with your cannon is sitting atop a teeter totter";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/tennix/default.nix b/pkgs/games/tennix/default.nix
index e06aec68b1a..83b2c62870e 100644
--- a/pkgs/games/tennix/default.nix
+++ b/pkgs/games/tennix/default.nix
@@ -18,6 +18,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://icculus.org/tennix/;
     description = "Tennix 2009 World Tennis Championship Tour";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/the-butterfly-effect/default.nix b/pkgs/games/the-butterfly-effect/default.nix
index 979fcd1a48c..f7734c320e6 100644
--- a/pkgs/games/the-butterfly-effect/default.nix
+++ b/pkgs/games/the-butterfly-effect/default.nix
@@ -54,7 +54,7 @@ rec {
     ];
     platforms = with a.lib.platforms;
       linux;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
   passthru = {
     inherit srcDrv;
@@ -63,4 +63,3 @@ rec {
     };
   };
 }) x
-
diff --git a/pkgs/games/tibia/default.nix b/pkgs/games/tibia/default.nix
index 698653784a7..a2355ba9d1e 100644
--- a/pkgs/games/tibia/default.nix
+++ b/pkgs/games/tibia/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Top-down MMORPG set in a fantasy world";
     homepage = "http://tibia.com";
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
     platforms = ["i686-linux"];
   };
 }
diff --git a/pkgs/games/torcs/default.nix b/pkgs/games/torcs/default.nix
index 47316177115..e6370d6e7c6 100644
--- a/pkgs/games/torcs/default.nix
+++ b/pkgs/games/torcs/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Car racing game";
     homepage = http://torcs.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/games/trigger/default.nix b/pkgs/games/trigger/default.nix
index 2a25c290b2d..a5ae8ec8b6d 100644
--- a/pkgs/games/trigger/default.nix
+++ b/pkgs/games/trigger/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Rally";
     homepage = http://trigger-rally.sourceforge.net/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/games/ufoai/default.nix b/pkgs/games/ufoai/default.nix
index 2fef444328c..0d909e1c43c 100644
--- a/pkgs/games/ufoai/default.nix
+++ b/pkgs/games/ufoai/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://ufoai.org;
     description = "A squad-based tactical strategy game in the tradition of X-Com";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/games/ultimatestunts/default.nix b/pkgs/games/ultimatestunts/default.nix
index 4b1cab6531c..c90972db66e 100644
--- a/pkgs/games/ultimatestunts/default.nix
+++ b/pkgs/games/ultimatestunts/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.ultimatestunts.nl/;
     description = "Remake of the popular racing DOS-game Stunts";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/games/ultrastardx/default.nix b/pkgs/games/ultrastardx/default.nix
index dbae3e16724..47fcd2dc4cf 100644
--- a/pkgs/games/ultrastardx/default.nix
+++ b/pkgs/games/ultrastardx/default.nix
@@ -26,6 +26,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://ultrastardx.sourceforge.net/;
     description = "Free and open source karaoke game";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/uqm/default.nix b/pkgs/games/uqm/default.nix
index 07055c41558..9d233d38338 100644
--- a/pkgs/games/uqm/default.nix
+++ b/pkgs/games/uqm/default.nix
@@ -102,7 +102,7 @@ in stdenv.mkDerivation rec {
       - to adapt the code so that people can more easily make their own spin-offs, thereby making zillions more people happy!
     '';
     homepage = http://sc2.sourceforge.net/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with maintainers; [ jcumming aszlig ];
   };
 }
diff --git a/pkgs/games/vdrift/default.nix b/pkgs/games/vdrift/default.nix
index af112c37af4..bba7823f663 100644
--- a/pkgs/games/vdrift/default.nix
+++ b/pkgs/games/vdrift/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Car racing game";
     homepage = http://vdrift.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/games/vectoroids/default.nix b/pkgs/games/vectoroids/default.nix
index 6f0fb48f0a5..f87633e299b 100644
--- a/pkgs/games/vectoroids/default.nix
+++ b/pkgs/games/vectoroids/default.nix
@@ -17,6 +17,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.newbreedsoftware.com/vectoroids/;
     description = "Clone of the classic arcade game Asteroids by Atari";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/games/zod/default.nix b/pkgs/games/zod/default.nix
index d9fcb47bcc3..0b344873734 100644
--- a/pkgs/games/zod/default.nix
+++ b/pkgs/games/zod/default.nix
@@ -39,6 +39,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Multiplayer remake of ZED";
     homepage = http://zod.sourceforge.net/;
-    license = "GPLv3+"; /* Says the web */
+    license = stdenv.lib.licenses.gpl3Plus; /* Says the web */
   };
 }