Sega Ages 2500 Series Vol. 23: Sega Memorial Selection is a compilation for PlayStation 2 featuring five classic Sega arcade titles, including the 1979 game Head On. The compilation enhances the graphics and audio of the original games, while also offering emulated versions. Additionally, it includes scans of promotional materials. It was later released for the PlayStation Network in Japan in October 2012.
This game is a compilation containing five early Sega arcade games, including 1979's Head On. Each have been given significant graphical and audio upgrades (though emulated versions of the originals are also selectable). There are also various scans of flyers and other promotional material.
The game was brought to the Japanese PlayStation Network service as part of the PlayStation 2 Classics range in October 2012. This version is simply known as Sega Memorial Selection.