Knock Rush is a shooting game with a very high degree of freedom. Knockdown or shoot the biochemical robots along the road and reach the end safely, otherwise, you will be killed by the biochemical robots and try again. There are a wide variety of alternative weapons, darts, umbrellas, robotic arms, slippers, and screaming chickens. The most interesting thing is that you can customize and redefine your weapon. It can be a ball of thread or a cute animal. Use your imagination. The enemy is definitely shocked by the weapon he sees.