There are three characters in the game.
- Inspector Gadget (Middle) is the main character; he is the most suitable for combat with weapons, and is also neessary to plant bombs as necessary.
- Penny (Left) is a young girl that can swim and jump out of water. She is also needed to hack into computer systems.
- Brain is a support character who can move very quickly and double jump.
- Penny and Brain can punch targets, but their attacks are weak.
- Gadget's first weapon is the hammer, which is short range.
- Rubber arrow is a long-range weapon about as powerful as the hammer.
- A floating pair 'G's are Gadget points. When you collect 20, you gain an extra life.