Ratbag Games / Atari
Races against opponents in all kind of dangerous environments.
Flash Game Cast
Mudding Racer is a very entertaining and challenging racing game.
zMud is the best client for those still playing Multi-User Dungeons.
Best Games Arcade
The sequel to the award-winning free game known as Mudding Racer Unleashed.
Pueblo is a multi-media client for Multi-User Dungeon games.
Vip Mud provides access to hundreds of Mud-style games throughout the Internet.
Caligor & Alve
MMapper is a mud mapper especially written for the mud MUME.
CNC3:TWE is a singleplayer and multiplayer mod for Command & Conquer 3.
This tool makes it possible to play Singleplayer game together with others.
Chemical Existence is a Total Conversion type of mod, singleplayer.
Setup Duke Nukem 3D multiplayer and singleplayer games with ease.
The Ball is an Unreal Engine 3 singleplayer action/puzzle game.
Wouter van Oortmerssen
Cube 2: Sauerbraten is a free multiplayer/singleplayer first person shooter.
Out of Hell is a singleplayer horror experience for UT2004.
Command & Conquer Labs
You can create custom singleplayer maps and campaigns for the C&C 3 game.