Your objective
Avoid enemy fire, destroy threats and collect crystals and weapon bonuses through every level.
Standalone · Action
A six-stage horizontal shoot ’em up where a spacecraft flies through mantle, crust and core.
Reviewed game guides
Avoid enemy fire, destroy threats and collect crystals and weapon bonuses through every level.
Move with the arrow keys while the ship fires automatically; press Space to cycle through six weapons. Touch controls mirror these actions.
Move forward for rewards only after the enemy bullet pattern leaves a safe route back.
Players who enjoy classic scrolling shooters, power-ups and score improvement.
Evidence
Descriptions are independently summarized from the references below. Availability can change.