Xona Games -GamesShmups: So far, all our games are 4-player shmups -- shorthand for shoot 'em up. Shmups are also known as 2D shooters, STGs (shooting games), scrolling shooters (vertical shooters, vertically scrolling shooters, horizontal shooters, side-scrolling shooters, ...), and more. Bullet Hell? Our shmups are technically "manic shmups", not "bullet hell" shmups! The western world tends to miscategorize our
