Aleste

Aleste is a vertically scrolling shoot 'em up developed by Compile and published by Sega for the Master System in 1988. It is the first entry in the long-running Aleste series and takes inspiration from Compile's earlier work, Zanac. The story is set in Space Year 6180, where the planet Rimar entrusts all environmental maintenance to the giant supercomputer DIA51. After a large earthquake corrupts DIA51's data, the computer begins spawning monstrous plants that evolve and infest human brains. The player controls Raymond Waizen, who pilots the Aleste fighter to infiltrate the enemy fortress and destroy DIA51. The gameplay involves navigating through lengthy, vertically scrolling stages while destroying waves of enemies. Players can collect numbered power-up icons to equip eight different secondary weapons, while "P" icons upgrade the main weapon. The game features a dynamic difficulty system that adjusts enemy formations based on player skill.

Master System

Released worldwide in 1988, the Master System version of Aleste was localized as Power Strike in North America and Europe. The North American release was initially a mail-order exclusive. The game received positive reviews from critics, who praised its intense action, fast pacing, and satisfying weapon system. The dynamic difficulty system was also noted as a clever feature. However, some critics found the levels overly long and repetitive, with bosses lacking variety. The game is also notoriously punishing, as dying strips the player of all weapon upgrades, making recovery extremely difficult. Despite these flaws, Aleste is regarded as an impressive technical achievement for the Master System and one of the console's better shooters.