Install ketm by entering the following commands in the terminal:
sudo apt update sudo apt install ketm
Description:
old school 2D-scrolling shooter
Ketm is a hicolor/hiresolution classical game that has similarities with Raptor, Tyrian and Galaga. You are a spacepilot controlling your secret prototype ship. At regular interval's you get attacked by the bad guys. You have a mission to clean this sector from them (i.e. Kill Everything That Moves). Be sure to pick up some weapon and ship upgrades on the way.
Homepage: http://sourceforge.net/projects/ketm-gg
Version: 0.0.6-24
Section: universe/games