| headon | | Head On (2 players) | Gremlin | 1979 |
| headon1 | headon | Head On (1 player) | Gremlin | 1979 |
| headon2 | | Head On 2 | Sega | 1979 |
| headon2s | headon2 | Head On 2 (Sidam bootleg) | bootleg (Sidam) | 1979 |
| headonch | | Monita to Rimoko no Head On Channel (prototype, hack) | hack | 1994 |
| headoni | | Head On (Irem, M-15 Hardware) | Irem | 1979 |
| headonmz | headon | Head On (bootleg, alt maze) | bootleg | 1979 |
| headonn | headon | Head On N | Nintendo | 1979 |
| headons | headon | Head On (Sidam bootleg, set 1) | bootleg (Sidam) | 1979 |
| headonsa | headon | Head On (Sidam bootleg, set 2) | bootleg (Sidam) | 1979 |
| supcrash | headon | Super Crash (bootleg of Head On) | bootleg (VGG) | 1979 |
