Portal

Every single time you click your mouse while holding a gun, you expect bullets to fly and enemies to fall. But here you will try out the FPS game filled with environmental puzzles and engaging story.
Silent template for your adventures, Chell, wakes up in a testing facility. She’s a subject of experiments on instant travel device, supervised by snarky and hostile GLaDOS.
Players will have to complete the tests, room by room, expecting either reward, freedom or more tests. By using the gun, th