Zombie Attack - Free is an Android game developed by Ritesh Sri. It is a 2D platformer action game where you have to kill zombies and collect vaccines to score points. The game has a power-up system where killing zombies has a chance to drop power-ups. By collecting the Double Jump power-up, you can jump twice as high, making it easier to avoid zombies. Collect ammo boxes to avoid running out of ammunition and rockets to kill multiple zombies at once.

Zombie Attack - Free has five large 2D platformer-style stages, each with checkpoints. The game also has a system of achievements where you can unlock rewards by killing zombies and collecting power-ups. The game is challenging, with various types of zombies and traps to keep you entertained. The game also has dark stages, where you have limited visibility, making the game even more exciting and varied. You can also use melee weapons when you run out of ammo.

Zombie Attack - Free is a free-to-play game that is compatible with Android 9.0. Overall, it is a fun and challenging game that will keep you entertained for hours.