In rough chronological order of release:
- Magnavox Odyssey
- Atari Super Pong
- Atari Super Pong Ten
- Coleco Telstar Alpha
- Magnavox Odyssey 100
- Magnavox Odyssey 300
- Magnavox Odyssey 400
- Lloyd's TV Sports 802
- APF TV Fun 405A
- Radio Shack TV Scoreboard
- Atari Ultra Pong Doubles
- Atari Video Pinball
- RCA Studio II
- Atari 2600
- Bally Astrocade
- Magnavox Odyssey^2 with The Voice
- Mattel Intellivision with Intellivoice
- Milton Bradley Microvision
- Coleco Colecovision with Expansion Module #1
- Atari 5200 with 2600 Adapter
- GCE Vectrex
- Mattel Intellivision II with Entertainment Computer System
- Bentley Compu-Vision
- Nintendo Famicom
- Nintendo Entertainment System
- Sega Master System with SegaScope 3-D
- Atari 7800
- Atari 2600jr
- Action Max
- Sega Genesis with Sega CD
- Sega Master System II
- Nintendo Game Boy
- Atari Lynx
- Sega Game Gear
- Nintendo Super Famicom
- Super Nintendo Entertainment System
- Nintendo NES-101
- Sega Genesis 2
- Atari Jaguar
- Sony Playstation
- Sega Saturn
- Nintendo Virtual Boy
- Nintendo 64
- Nintendo Game Boy Pocket
- Nintendo Game Boy Color
- Sony Playstation 2
- Nintendo GameCube
- Microsoft Xbox
- Nintendo Game Boy Advance
- Nintendo Game Boy Advance SP
- Microsoft XBox 360
- Mattel HyperScan
- Sony Playstation 3
- Nintendo Wii
Not counting home computers, clones or duplicates. Might be forgetting a system or three.........