Timepunk is 2D roguelike top down bullet hell game, it starts with an hero from the future being thrown to the dinosaur era.
From there the hero must travel to his own time to seek revenge.

Play with up to four friends!

Time travel is only fun when you do it with friends, so get your weapons ready and go blow up stuff together!

A roguelike bullet hell to survive!

Each time era is random, you only bring the upgrades you collect from your previous time jump, and must survive the massive waves of enemies in each time era!

Create time portals!!

Fuel your portal gun with matter that you collect from the enemies, and jump back or forward in time, unlocking random upgrades.

Mess up the timeline!!!

The environment of each time period is generated according to the actions of the hero. That's right you might be going up against Mecha-Dinosaur Riding Zombie Nazis if you make the right decisions.

Defeat the Society of Time!!!!

Reach your original timeline in the future and defeat the everything that Society of Time throws at you..