Celtreos (2017) Shooter Indie Side view Arcade About the Game Reviews Gallery Similar Games Troubleshooting Mac iOS Release Date: 2017, December 22 Description: 1-2 players, game controller support. NO in-app purchases. >30 minutes of music! 9 detailed stages, partly-random, with bosses. Tons of weapons, guards & special moves. Play in a window or in Full Screen. Keywords: shooting shoot 'em up shmup horizontal shooter stg