Plot: Aperture Tag: The Paint Gun Testing Initiative is a 2014 first-person puzzle-platform video game developed by the Aperture Tag Team. Originally made as a mod of Valve's Portal series, it was released on July 15, 2014. Wikipedia
Plot: Weekday Warrior is a mod for the video game Half-Life 2. It was developed by students at The Guildhall at SMU and released in its final state on 7 June 2006. Weekday Warrior received the Best Mod and best Best Singleplayer FPS Mod awards in the 2007 Independent Games Festival. Wikipedia
Plot: Portal Stories: Mel is a single-player mod for Portal 2 developed by Prism Studios. The mod was released on June 25, 2015, for Microsoft Windows, OS X and Linux systems, available freely to users who own Portal 2 on Steam. Wikipedia
Plot: Tag: The Power of Paint is a first-person action and puzzle hybrid video game. The game was developed in 2009 for Microsoft Windows by Tag Team, a group of students from the DigiPen Institute of Technology. Wikipedia
Plot: Narbacular Drop is an environmental puzzle video game developed by Nuclear Monkey Software. It was released for free online in 2005 for Microsoft Windows. It was the senior game project of students attending DigiPen Institute of Technology. Wikipedia
Plot: Jailbreak: Source is a multiplayer team-based first-person action video game, developed as a total conversion modification on the Valve's proprietary Source engine. The game is currently in beta development stages, with its first public release on the 14th of February 2007. 0.2 followed a week later...