Xmind - Xmind is a brainstorming and mind mapping application.
Dungeons of Dredmor - Dungeons of Dredmor by Gaslamp Games
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
NetHack - NetHack is a single player dungeon exploration game that runs on a wide variety of computer...
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Shattered Pixel Dungeon - A Roguelike RPG, with randomly generated levels, items, enemies, and traps!