Aleste Gaiden is a 1989 vertically scrolling shooter video game developed and published by Compile for the MSX2 home computer. A follow-up to Aleste (1988), it was included as part of the autumn special edition of Disc Station, a monthly disk publication by Compile. It is a sidestory to the main series, taking place in an alternative continuity. Controlling the soldier Raymond Waizen, the player must overthrow the supercomputer DIA 51 by fight waves of enemies and bosses. (wikipedia)