Mirai is a sci-fi shooter with strong role-playing elements. The player controls the protagonist who uses a jetpack to fly through scrolling maze-like environments. Experience points and money are gained from defeating the numerous respawning enemies. Money can be used in the few friendly areas to purchase weapons and items. The player also has to keep an eye on the fuel gauge for the protagonist's jetpack.

Mirai is a sci-fi shooter with strong role-playing elements. The player controls the protagonist who uses a jetpack to fly through scrolling maze-like environments. Experience points and money are gained from defeating the numerous respawning enemies. Money can be used in the few friendly areas to purchase weapons and items. The player also has to keep an eye on the fuel gauge for the protagonist's jetpack.