The standard roguelite FPS released in August 2018 for PC, PS4, and Xbox One.

Various sites like GOG Unlocked and Ocean of Games offer "free downloads" of the full version. Note: These are unofficial sources and may carry security risks or provide outdated versions of the game. Key Features Hyper Gun by bybyblue - itch.io

A separate 3v3 "Mega Man style" fighting game created by developer bybyblue is available for download on a "name your own price" basis, meaning it can be downloaded for free.