LEGO Island 2: The Brickster's Revenge is a platform game for Game Boy Advance in which players take on the role of Pepper Roni. The objective is to collect Constructopedia pages to help island residents build structures that enhance the environment. Players engage in mini-games and seek hidden LEGO character cards, rewarding exploration and encouraging interaction with various island inhabitants.
Players control Pepper Roni and go around the island trying to locate the Constructopedia pages. Pepper can give the pages he found to certain characters who in turn will build a structure that will help improve the island. Pepper will also have to partake in various mini-games throughout the game. Also, finding hidden Lego character cards is the games reward for observant exploration of the island.