Portal - Financial Aid Award Letter, - Messages and Calendar, - Grades.
Quantum Conundrum - Quantum Conundrum is a First-person Perspective game with strong Sci-fi, Puzzle-Platform, and Single-player elements published by Square Enix and developed by Airtight Games.
Narbacular Drop - Using two interconnected portals you can place on walls, ceilings and the floor, you must navigate your way through a sentient dungeon.
Promethius - Graphic style similar to Portal. Time based puzzles with a twist.
ASCIIpOrtal - See high res text graphics. Master physics bending puzzles. Escape the test chambers.
Mari0 - What happens when you mash Super Mario Bros. and Portal together?