One summer afternoon, Shawn goes for a drive with his parents and dog, Ace, but the family car suffers a flat tire in front of an abandoned mansion.

From a first-person perspective, players must navigate through dungeons and environments in a 3-D world, battling enemies while searching for items, secret side areas and ways to unlock locked doors, whether with keys or magical spells.

Players can also use shields to block and reduce damage from enemy attacks, or evade them with quick steps via circle strafing and an automatic lock-on system.

[5] Deep Labyrinth was developed by Interactive Brains, with Masato Kato writing the game's scenario and Yasunori Mitsuda composing its music.

[6][7][4] According to Nasaki Takeda, CEO and CTO of Interactive Brains, the mobile phone release of Deep Labyrinth was very popular, having been downloaded nearly 100,000 times prior to its North American DS launch.