What is "amoebarena"

AmoebArena is a strategy computer game, written by Jason Regier and distributed by Casady & Greene for the Macintosh in 1994 and 1995. In the game, the player must defeat a human or computer opponent with amoebas in an arena. AmoebArena is based in the year 2309. In the registered version of the game tournaments and a scenario editor are available.