MASSIVE ZOMBIES

There are a large amount of zombies on the stage.
Let's escape from there to collect the keys.

Each stage is as simple maze.
Collect all the keys on the stage, you escape from the exit to clear the stage.

Easy operation, there is no time limit, it does not have any extra functionality.
You can feel free to play even a little free time.
This is a game where you can enjoy the retro atmosphere.