Choke on My Groundhog, You Bastard Robots
Looking at Choke on My Groundhog, You Bastard Robots (COMGYBR for short), it's hard not to see that it's a relatively simple yet entertaining game. Inspired by Robotron, you are tasked to fend yourself and world from robots that have taken over the world.
There are no mush storylines involved in the game. The main point is for you to fight off the approaching robots from all four corners of the page and simply to survive. It's definitely a fun and straightforward game perfect for letting some steam out.