Head On is an arcade game developed in 1979 by Sega. In this game, players control their cars through the maze where the goal is to collect the dots while avoiding collisions with the computer-controlled car that is also collecting dots. It was an early maze game revolved around collecting dots and is considered a precursor to Namco's 1980 hit Pac-Man.
The game received a sequel in the same year titled Head On 2, which also was licensed to Nintendo and released as Head On N. A version for the original Game Boy was ported by Tecmo. Head On later appeared in the Sega Saturn collection Sega Memorial Selection Vol.1 and in the PlayStation 2 collection Sega Ages Vol. 23. A mobile phone exclusive version titled Sonic's Head On was released exclusively in Japan in 2000.