Bōken Danshaku Don: The Lost Sunheart

is a 1992 side-scrolling shoot 'em up video game published by I'MAX for the NEC PC Engine.

Gameplay

The game features dark and surreal themes and has been compared to the Cho Aniki series.

Development and release

It was designed by Takane Ōkubo, who also worked on Zombie Nation, a similar game.

Reception

Bōken Danshaku Don: The Lost Sunheart received average reviews.