Impossible Mission 2025 - The Special Edition_DiskB ROM Download for Amiga 500 (A500). Impossible Mission 2025 - The Special Edition_DiskB game is available to play online and download only on Roms Games. Impossible Mission 2025 - The Special Edition_DiskB ROM for Amiga 500 download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.