Monitors are destructible boxes found throughout levels, each containing a beneficial power-up. To activate them, simply jump or roll into them. Here's a breakdown of what you'll find:
- Ring Monitor: Displays a single ring icon. Grants 10 rings upon destruction. Always a good pick-up, especially if you're low on rings.
- Invincibility Monitor: Displays a star icon. Grants temporary invincibility, making Sonic immune to all damage (except drowning and crushing) for about 10-15 seconds. Use this to rush through dangerous sections or defeat groups of enemies without worry.
- Speed Shoes Monitor: Displays a shoe icon. Increases Sonic's movement speed significantly for a short duration. Excellent for clearing long gaps, reaching high platforms, or simply speeding through a level.
- Shield Monitor: Displays a blue bubble icon. Provides a single-hit shield. If Sonic takes damage, the shield absorbs the hit instead of his rings. This is incredibly valuable for protection against unexpected hazards.
- 1-Up Monitor: Displays Sonic's face. Grants an extra life. These are often hidden in secret areas and are highly sought after.
Always prioritize collecting monitors, especially the Shield and Invincibility, before entering difficult sections or boss fights. Knowing their locations can be a game-changer.