Assassin's Creed II - Discovery (EU)(Venom) ROM Download for Nintendo DS (NDS). Assassin's Creed II - Discovery (EU)(Venom) game is available to play online and download only on Roms Games. Assassin's Creed II - Discovery (EU)(Venom) ROM for Nintendo DS download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.