Treasure Island is a game where the player is trying to reach the top of an island before it is completely submerged in water. To get there, the player must avoid monsters and poison skulls, go through caves, and navigate the maze on the island. Some caves have boulders in them which will kill the player. The monsters also use the caves for transportation.
The player starts with 5 lives. This game is a port of an arcade game of the same name by Data East.