player can find additional items and collectibles. On most versions of the game, the player controls the playable Toa character using a controller. On the Nintendo Wii version of the game, control of the camera is instead accomplished through the Wii Remote's IR sensor. The player begins each level with a single mask, with additional ones scattered throughout the level. These masks provide the player with a variety of weapons and abilities, ranging from sniper rifles to shotguns. The active mask can be togged between by the player at any point. If a player's health is reduced to zero, they lose the mask they were wearing. The player can interact with the environment, performing actions similar to how the Force operates in the Lego Star Wars games. Defeating enemies scatters them into Lego pieces, which can be collected and used in the hub world. Additionally, collecting them adds to the in-game Hero Mode gauge, which activates when completely filled. While in Hero Mode, the player becomes invincible to any damage. This lasts until the player reaches a set point in the level that requires the player use up their Hero Mode charge to activate objects used to progress throughout the level. Hero Mode is also used in boss battles, with the player targeting smaller enemies to build up the gauge to activate a powerful attack against the boss. The game uses an auto-targeting feature that automatically locks on to enemies. This feature only works at certain distances, and will not activate if the player is too close or too far away from an enemy. Nintendo DS The Nintendo DS version of Bionicle Heroes is a first-person shooter. Like other DS first-person shooters, the game can be controlled entirely with buttons or with a mix of button and touchscreen controls, with the directional pad being used to walk and the touchscreen being used to aim. Defeating enemies results in them crumbling into bricks. These bricks can be used to fill the player's Hero Mode charge meter. When filled, the player's gains temporary invincibility and a boost to the power of weapons. The game features two modes: a single-player campaign and an offline multiplayer mode. The single-player mode's world is divided into six different areas, with a Piraka boss battle at the end of each world. From the beginning, the player has access to the Zamor Launcher, a weak weapon with unlimited