Starbreak

Set in the distant future, when humanity is on the brink of extinction, StarBreak is a free-to-play platformer MMO with loads of exploration and fast-paced combat. Choose your class and follow your allies into combat in confusing mazes that are different every time you play, but watch out -- a boss lurks at the end of these zones, and if you die, you'll have to start completely over!

When you create a character, you choose from one class, or "shell"; at first, you'll only have one choice, but as you play, you'll unlock more options. Each shell has its own unique strengths and special abilities you can execute with different button combinations. Loot is shared among all players, so there's no competition -- just alien-blasting fun with dozens of your closest friends!