Stupid Zombies 4 is the fourth installment of the popular series that features bouncing bullets off walls to kill zombies in each level. The game is available on iPhone and offers a variety of missions to get you accustomed to different weapons. The game is designed to provide a brainy puzzle experience and offers a range of setups to keep players engaged.

The game has a unique feature of collecting coins in each level to unlock new heroes. Players can also join the VIP mode to shoot groovy jackpot blocks for extra earnings and enjoy other goodies. The game is available as a full version and requires a monthly VIP club subscription. The monthly subscription automatically renews if not turned off at least 24 hours before the renewal date.

Overall, Stupid Zombies 4 is an enjoyable game with engaging gameplay and a range of features to keep players hooked.