Accelerate (by W3Schools)
Bomberman (by straker)
Frogger (by straker)
Pong (by straker)
Snake (by straker)
2048
Stick Dude 0.3 (by GameDev46)
Crewmate Virtual Pet
Terrain Generator GOLD (basically just a bunch of terrain generators)
Platformix (aka a mix of platformers)
Windows XP2 Build 2
Windows Longhorn Simulator (by mrfunnylaughs)
Windows XP Simulator (by A Guy)