9 carts for APF-M1000 on loan to Guru: Catena, Bowling/Micro Match, Boxing, Pinball/Dungeon Hunt/Blockout (with 3 versions), Casino 1:Roulette/Keno/Slots, Brickdown/Shooting Gallery, Blackjack, UFO/Sea Monsters/Break It Down/Rebuild/Shoot (with variations), Hangman/Tic Tac Toe/Doodle
2 more carts for APF-M1000: Baseball and Space Destroyers
APF BASIC cart for APF Imagination Machine
15 Watara Supervision carts on loan to Guru: Dream World, Happy Race (glitchy), Space Fighter, Kung-Fu Street, Thunder Shooting (glitchy), Kitchen War (glitchy), Untouchable, Bubble World, Hero Hawk (probably bad), Scaffolder, Chinese Checkers (glitchy), Climber, Pacific Battle, Recycle Design (glitchy), Popo Team
6 more Watara Supervision carts: Super Pang, Kitchen War, Happy Race, Hero Hawk, Thunder Shooting, and Dancing Block
Supervision TV-Link
Epoch Game Pocket Computer and 4 carts on loan to Guru: Reversi, Mahjongg, Store Keepers, and Block Maze
5 RCA Studio II carts on loan to Guru: TV School House I, TV School House II:Math Fun, Biorhythm, Fun With Numbers, Gunfighter/Moonship Battle
Mustang 9016 Telespiel-Computer (German clone of RCA Studio II) and 4 carts on loan to Guru: Mathematische Spiele, Konzentrationsspiele (Memory), Krieg der Sterne, Flipper
Tiger R-Zone (head-strap version) and 7 carts on loan to Guru: Daytona USA, Battle Arena Toshinden, Batman Forever, Star Wars:Imperial Assault, Star Wars:Jedi Adventure, Star Wars:Millennium Falcon Challenge, Primal Rage
Tiger R-Zone (X.P.G. version), Tiger R-Zone (Super Screen version, but can't get display to work), and 16 more carts: Batman & Robin, Panzer Dragoon, Men In Black, Indy 500, Mortal Kombat 3, Mortal Kombat Trilogy, Independence Day, Virtua Fighter, Virtua Fighter 2, Nights Into Dreams, The Lost World, Apollo 13, Star Wars:Rebel Forces, Virtua Cop, Area 51, and Road Rash 3
2 Mega Duck carts: Trap & Turn and 2nd Space
Bit Corporation Gamate system and 15 cards: Kung-Fu Fighter, Treasure Hunter, Bomb Blaster, Cube-Up, Myth of Asamia, Brick Blaster, Enchanted Bricks, Galaxy Invaders, Mighty Tank, Mini Golf, Witty Apee, 4 In 1 (Cube-Up/Mini Golf/Vindicators/Brick Blaster), Dino Ball, Kill Shot, and Monster Pitfall
Hartung Game Master system and 9 carts: Space Castle, Dungeon Adventure, Kung Fu, Urban Champion, Continental Galaxy, Go Bang!, Tennis, Pin Ball, and Falling Block
All 12 released games for the Milton Bradley Microvision (but not sure which microcontroller they use): Block Buster, Bowling, Connect Four, Mindbuster, Pinball, Star Trek: Phaser Strike, Vegas Slots, Baseball, Sea Duel, Alien Raiders, Cosmic Hunter, and Super Blockbuster
1 Game Boy Color pirate cart: Dragon Ball Z Fight 2002
Entex Select-A-Game system and 2 carts: Space Invader 2 and Pinball
Coleco Telstar Arcade (displays some graphics, but can't get game to start) and all 4 carts (though cart #2 has two versions and I only have one): Cartridge #1–Road Race/Tennis/Quick Draw, Cartridge #2–Hockey/Tennis/Handball/Target, Cartridge #3–Bonus Pinball/Shooting Gallery/Shoot The Bear/Deluxe Pinball, Cartridge #4–Naval Battle/Speed Ball/Blast-Away
Mattel Auto Race handheld game
5 Captain Power Toys: Powerjet XT-7, Interlocker, Power Base, Phantom Striker, and Power On Energizer
5 Captain Power VHS tapes (NTSC): Future Force Training, Bio Dread Strike Mission, Raid On Volcania, Captain Power Greatest Hits, and Shattered Dreams
View-Master Interactive Vision system and 1 VHS tape (NTSC): Let's Learn To Play Together
Worlds Of Wonder Action Max system and 5 VHS tapes (NTSC): .38 Ambush Alley, Hydrosub: 2021, The Rescue Of Pops Ghostly, Sonic Fury, and Blue Thunder
ComQuest Team Concepts Light 'n Learn kid's laptop
VideoBrain computer and 5 carts: Gladiator, Wordwise 1, Wordwise 2, Music Teacher 1, and Video Artist
Memorex VIS system