DLC and MODS
Neverwinter Nights: Hordes of the Underdark. (DRM killed it. no longer playable)
Legend of Grimrock. ² (Excellent Scripting.)
Engines (Nearly every modern engine is well represented.)
Irrlicht3D ¹ (FOSS, Source, API and documentation are super.)
Unreal ² Excellent Editor and Scripting.
Unity ² Excellent Editor and Scripting. Affordable
Minetest ¹ (FOSS, Irrlicht3D -> LUA script API)
Minecraft ¹ (Source code available for early releases.)
The Division (Ubisoft) WazHack (Some very enjoyable and challenging gameplay) CubeWorld The Dead Linger Elite ³ X3 Reunion/Terran Conflict ² (a few sectors) nice script interface. Starlight Inception (Proprietary) FUEL 2009 (team Asobo) Looks great. Dead Rising 3 (zombies appear "unique" ) Limit Theory.
Also: (Hackable is anyones guess.) http://www.pcgamer.com/tag/procedurally-generated/ Sir, you are being hunted. GUN_MONKEYS Nowhere Chasm Dustforce Race the Sun A Valley Without Sun
DLC and MODS Neverwinter Nights: Hordes of the Underdark. (DRM killed it. no longer playable) Legend of Grimrock. ² (Excellent Scripting.)
Engines (Nearly every modern engine is well represented.) Irrlicht3D ¹ (FOSS, Source, API and documentation are super.) Unreal ² Excellent Editor and Scripting. Unity ² Excellent Editor and Scripting. Affordable Minetest ¹ (FOSS, Irrlicht3D -> LUA script API) Minecraft ¹ (Source code available for early releases.)
From Giantbomb.com for release in 2014-15. http://www.giantbomb.com/procedural-generation/3015-328/game... Daylight (Unreal Engine) similar to Amnesia:The Dark Descent Invisible, Inc. StarCrawlers Darkest Dungeon Sunless Sea Mountain Outpost Save Yourselves Fancy Skulls Mew-Genics Unreleased ( The teaser is a great. Put the coffee away before watching this.) http://www.youtube.com/watch?v=KXCp8xS0YzI
Unfinished Infinity MMOG No Mans Sky The compilation of GCC. (Not funny? Please, accept my apology..)