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.

Shadowgrounds

Tribes 2

Military Operation

Gain Ground

Manhunt

Swords and Sandals 1

Flight Chase

Nation Red
X3 Terran Conflict

Serious Sam 2

Furious Tank

BrainBread

AfterWorld

TorchED
Endless War Defense

DOOM II

RESIDENT EVIL 7 biohazard

Black Star: First Attack

Duke Nukem 3D

Clay Fighter

Dungeon Siege: Yesterhaven

Gore

FizzBall

Sniper Assault

DemonStar Secret Missions 2
