How to play:
- On the computer, use the mouse to play.
- On the mobile, touch the screen o play.
- First, you choose one of three characters to become his/her fellow-traveler.
- To survive, destroy all zombies and collect coins to upgrade level.
- Use the coins you have to buy more weapons.
- Use the support items to live as long as possible.
- Avoid falling into the gap or the game will be over immediately.