https://ellisjames20061.itch.io/tri-again
Play as a triangle who must navigate 5 unforgiving levels and defend yourself against evil red shapes out to torment you. There are a variety of enemies all requiring skill to kill. Kill as many as you can and reach the yellow portal without getting yourself killed.
There is also a 10 wave mode for those who are up for the challenge...
The game is also open source.
I would appreciate feedback so i know where in the game should be improved.