Biological arena invincible version games

Invincible version of biological arena : a shooting game, Unlimited life in invincible version, unlimited upgrade click 。 In a closed space, you represent a bacteria that can evolve to fight viruses that are countless times more than you. So you should not only act quickly, but also have strategies. Kill the enemy, collect props, experience 8 levels of evolution, and survive under the attack of 16 enemies.

How to get started:

After the game is loaded, click Start Game, and then click Play to start the game.

Game objectives:

Upgrade the zodiac and eliminate the moving