In Treasure Hunter Man, players control a teenage treasure hunter exploring an island filled with hostile inhabitants and remnants of an ancient king. The core mechanics involve platforming challenges, treasure collection, and navigating various obstacles, including the use of bottle rockets for movement.

The storyline of Treasure Hunter Man follows a young adventurer on a quest for treasure, undeterred by the dangers posed by the island's unfriendly residents and the eerie atmosphere of locations like an old lady's creepy cellar.

Treasure Hunter Man stands out with its quirky humor and whimsical art style, offering a lighthearted take on the treasure hunting genre while incorporating unique gameplay elements like riding bottle rockets.