Undead fortress is a simple and pure first-person shooter game that tests players' shooting reflexes and upgrade combinations.
Players take on the role of a survivor in a post-apocalyptic world, constantly fighting against the pursuit of bio-armies and zombie waves, searching for supplies and strengthening their own chip abilities.
Game features:
Challenging opponents:
Bio-armies can use various firearms, engage in hand-to-hand combat, and throw grenades. Zombies get stronger over time, with invisible enemies and missile enemies, and more.
Level objectives:
Use map resources wisely to survive until the end.
Gain resources for each enemy killed, double rewards for victories.
Each additional second survived adds extra loot.
Chip upgrades:
Can have 4 types of chips to strengthen themselves and improve combat effectiveness.
