Shark UP is a free simulation game available for Android devices. Developed by MAD PIXEL, this game takes you on a journey of evolution, starting as a small fish and growing into a dangerous predator. The game allows you to develop mutations of each species to get more DNA points, which you can use to evolve further.

As you progress through the game, you need to eat other fish to evolve and become another fish. The graphics are well-designed, and the game mechanics are easy to understand. The sound effects are immersive, and the controls are responsive, making it easy to control your fish and navigate through the water.

Overall, Shark UP is an enjoyable simulation game that offers a unique take on the evolution process. It's a great game for anyone who loves simulation games and wants to explore the depths of the ocean.