Atari 5200
NOTE: I have some protos (repro?), but haven't logged them here
have: original releases
  - [HW: system] Atari 5200 [two-port]
- [HW: system] Atari 5200 [four-port]
- [HW] (hobbyist: AtariAge) Redemption 5200 (2600/Sega) [I,-B]
- The Activision Decathlon
- Astro Chase
- Ballblazer
- Beamrider
- Berzerk
- Blueprint
- Bounty Bob Strikes Back!
- Buck Rogers: Planet of Zoom
- Centipede
- Choplifter!
- Congo Bongo
- Countermeasure
- Defender
- Dig Dug
- The Dreadnaught Factor
- Frogger
- Frogger II: ThreeeDeep!
- Galaxian
- Gorf
- Gremlins
- Gyruss
- H.E.R.O.
- James Bond 007
- Joust
- Jungle Hunt
- K-Razy Shoot-Out
- Kaboom!
- Kangaroo
- Keystone Kapers
- Mario Bros.
- Megamania
- Meteorites
- Miner 2049er
- Missile Command
- Montezuma's Revenge
- Moon Patrol
- Mountain King
- Mr. Do!'s Castle
- Ms. Pac-Man
- Pac-Man
- Pengo
- Pitfall!
- Pitfall II: Lost Caverns
- Pole Position
- Popeye
- Q*bert
- Qix
- Quest for Quintana Roo
- Realsports Baseball
- Realsports Football
- Realsports Soccer
- Realsports Tennis
- Rescue on Fractalus!
- River Raid
- Robotron: 2084
- Space Dungeon
- Space Invaders
- Space Shuttle
- Star Raiders
- Star Trek: Strategic Operations Simulator
- Star Wars: Return of the Jedi Death Star Battle
- Star Wars: The Arcade Game
- Super Breakout
- Super Cobra
- Vanguard
- Wizard of Wor
- Zaxxon
- Zenji
- Zone Ranger
have: hobbyist releases
  - Adventure II [I,B] (Ron Lloyd via AtariAge)
- Asteroids [proto repro] [-I,-B] (AtariAge)
- Beef Drop [-I,-B] (Ken Siders via AtariAge)
- Blaster [-I,-B] (AtariAge)
- Boulder Dash [#005 of 100] [I,B] (Atari2600.com)
- Boulder Dash II [#010] [I,B] (Atari2600.com)
- Bristles [I,B] (Atari2600.com)
- Castle Blast [I,B] (Ronen Habot via AtariAge)
- Castle Crisis [I,B] (Bryan Edewaard via AtariAge)
- Combat 2 Advanced [I,-B] (John Swiderski/Mean Hamster Software)
- Final Legacy [proto repro] [-I,-B] (AtariAge)
- Flip and Flop (#036) [I,B] (Atari2600.com)
- Free Cell [-I,-B] (Good Deal Games)
- Frisky Tom [-I,-B] (AtariAge)
- Haunted House II 3D [I,-B] (John Swiderski/Mean Hamster Software)
- Jr. Pac-Man [proto repro] [-I,-B] (AtariAge)
- Klax [I,B] (John Swiderski/Mean Hamster Software)
- Koffi: Yellow Kopter (#10) [I,B] (Ron Lloyd via AtariAge)
- Magical Fairy Force [I,B] (hobbyist: AtariAge)
- Millipede [proto repro] [-I,-B] (AtariAge)
- MULE [-I,-B] (AtariAge?)
- Pete’s Test Cartridge [repro] [-I,-B] (AtariAge)
- RealSports Curling [I,B] (Ryan Witmer/Average Software via AtariAge)
- Rent Wars (093/100) [I,B] (Atari2600.com)
- Satan's Hollow [-I,-B] (AtariAge)
- Scorch [I,B] (hobbyist: AtariAge)
- Sinistar [port from Atari 8-bit](Ken Van Mersbergen via AtariAge)
- Super Pac-Man [proto repro or port?] [-I,-B] (AtariAge)
- Tempest [proto finished by original programmer] [I,B] (Keithen Hayenga via AtariAge)
- Xevious [proto repro] [-I,-B] (AtariAge)