Grinning Cobossus is an arcade-style shmup featuring an epic boss fight. Can you kill him?
Grinning Cobossus is a shmup that only consists of one epic boss fight, but it features 3 difficulty modes, survival mode, 12 achievements to earn and a lot of fun.
v 1.09 Added a 3-seconds delay after unpausing the game
v 1.08 Various bugfixes, mouse is now centered on the ship, also...