There are 3 posts tagged with 13 Days here.
13 More Days In Hell is a FPS that throws you into a relentless battle for survival against hordes of the undead armed with an arsenal of deadly weapons. Navigate eerie environments, manage resources, and eliminate every flesh-eating enemy that stands in your way.
13 Days in Hell is a a brutal shooting gallery with first-person perspective, you must survive relentless waves of undead horrors in the underworld, brother. Precision is key— With limited ammo and no way out, every shot counts!
13 Days After: Survival is a shooting gallery game where you'll shoot your way through the armed zombie infested city and try to reach Liberty Island. It's also the sequel to 13 Days in Hell, with more weapons and explosives!
Siege Knight is a fun strategic and defense shooter hybrid made in Flash where you have to defeat wave after wave of enemies, including undead ones, tactically placing traps and fast shooting them down!