Functional cheats for Bionicle Heroes on PC are extremely unlikely to exist or work reliably. The game uses a proprietary engine with no built-in console or cheat system, never attracted a significant modding community to create trainers or memory hacks, and was designed as a linear, level-based action game balanced around its default difficulty.
The game is designed to be beaten fairly with practice and strategic use of the Toa's elemental powers. Focus on mastering the combat loop rather than searching for shortcuts that likely don't exist.