The power supply is for Atlantis any 6803 power supply will work.
6803 Games list
Cybernaut, Eight Ball Champ, Beat The Clock, Hot Shotz, Lady Luck, Motordome, Black Belt, Karate Fight, Strange Science, City Slicker, Hardbody, Special Force, Heavy Metal Meltdown, Dungeons and Dragons, Escape from the Lost World, Blackwater, Truck Stop and Atlantis.