Noisy waves are crashing on the sea rocks, and down there, in the abyss, Cleaner and Bubble save the world again. Being right back from the space, they are faced with a mortal combat with craving mutants from the outer space and their vicious boxes! Our heroes did their best, but in vain, so they need your help. You should take fins and a scuba and fight for the Mankind!

Mystery Island II takes elements from puzzle games, adventure games and science fiction to create a fun and interesting experience. You are a Navy Seal currently serving aboard the USS Volarus when your submarine is destroyed by an unidentified vessel. A Russian nuclear warship seems the most likely possibility. You escape the final blast and wash up on a tropical island. The situation, as you find out, is a much grimmer that you originally anticipated. The fate of humankind now rests in your hands.

Players must find and use items to progress further in the game, ensure they stay alive and finally defeat the aliens, saving Earth.

You are the pilot of a microscopic, jet-powered, anti-microbial, vacuum-cleaner. Your mission: to sanitize the surfaces of various everyday objects by sucking up the microbes infesting them. Disinfect three levels without running out of time or fuel and you win! Of course, theres a little more to it than that. Play the in-game training mission to learn how to play, using either keyboard or gamepad.

A global catastrophe is again imminent for the world. No one but the known heroes Cleaner and Bubble will survive the imminent threat of being crushed by huge boxes virgilantly guarded by malicious mutants. Be brave, help the courageous space savers to overcome all hardships on the way of preventing a global catastrophe!