Time Defenders

This game is not finished and you may encounter bugs or unbalanced mechanics, enemies. A crew of scientists were tasked with experimenting with timelines and stuff. Turns out, one of the scientists was a spy and broke the machine, and was eliminated instantly. A portal opened up, and nobody can close it. The best fighters of the country were sent to investigate, accidentally opening a portal to their dimension. It's only up to you to save the world. Or, up to the scientists to fix the machine. Survive waves of enemies and upgrade your character, and don't let them enter the portal.