Note that the game needs 1MB chip, and thus needs an ECS (1MB chip capable) Agnus. Most Rev5 and afaik all Rev6 A500 have it. Sysinfo and/or whatamiga can identify it.
0. https://amigastore.eu/en/710-amiga-500-512kb2mb-memory-expan...
1. http://amigastore.eu/en/929-ide68k-gottago-fastram-8mb.html