I made a top 5.
#. Title (First platform) by creator
1. Super Mario Bros. (NES) by Nintendo
2. Pac-Man (Arcade) by Namco
3. Pong (Arcade) by Atari
4. Super Mario 64 (N64) by Nintendo
5. Tetris (Elektronika 60) by Alexey Pajitnov
"On my business card I am a corporate president. In my mind I am a game developer. But in my heart I am a gamer." - Satoru Iwata