Action games
If you don't play games that much, there is a big chance you have played an action game, e.g. a shooter, at some point. This category is full of games that won't let you get bored.

Portal

Battlezone

Halo Zero

Cooking Academy 2: World Cuisine

Sudden Strike Iwo Jima

Naval Strike

Saints Row®: The Third™
Divinity 2 - The Dragon Knight Saga

Nidhogg

Line Space Wars

Sniper Osama

Space Giraffe

Dead Space

Half-Life: Opposing Force

Wormux

Metal Slug

Street Racing Stars

Atomic Robo Kid

Mad Skills Motocross

Heavy Weapon - Atomic Tank

Galaxy Strike
Fatal Puzzle

War Machine

State of War - Warmonger.exe
Raze 2

Strike Ball 3

Microsoft Close Combat III

zSilencer
