First Person Shooter...
Survival. Description of this mode.
Available in version 1.2
15 waves, perks, antlions and combines.
The 4th wave - a wave of manhacks.
The 7th wave - the deadly laser on the middle of the map.
The 10th wave - squad of combines.
The 13th wave - rollermines.
The 15th wave - Antlion guard.