Description: Help Zack to find what's going on in the biomedicine lab where he works. Move with the arrow keys. Press Q to open your inventory. Press the space bar to open the doors. Use the mouse to choose objects from the inventory. Make click to attack. Press R to reload your weapon. Press the Caps lock to turn the light on.

Instructions: Q - To choose weapon. R - to reload. W,A,S,D/Arrow keys - To move/jump. Mouse key - To aim and shoot. Space bar - To open doors/climb out..

Category: Zombie Games

The Serum Game

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