Dark Energy Force Field

Dark Energy Force FieldsMedia:SonicUnleashed PS2 US manual.pdf^[1] appear in some of the Night Stages in the PS2/Wii versions of Sonic Unleashed. A Force Field will block your progression through the level until you get the three "keys" that deactivate it.

*Items in the Sonic the Hedgehog* Game Series**
Collectibles	Ring \| Super Ring \| Special Ring \| Rich Ring \| Heal Ring \| Red Star Ring \| Number Ring \| Silver Moon Ring \| Sonic Medal \| Sun Medal \| Moon Medal \| Sun Tablet \| Moon Tablet \| Planet Tablet \| Secret Item \| Red Orbs \| Blue Orbs \| Green Orbs \| Emblem \| Chaos Drives \| Special Stage Key \| Material \| Portal Gear \| Memory Token \| Vault Key \| Red Seed of Power \| Blue Seed of Defense \| Dream Orb
Power-ups	Shield (Water, Lightning, Fire, Gold, Magnetic) \| Invincibility \| Power Sneakers \| Rocket Shoes \| Propeller Shoes \| Hyper Heli-Tails \| Eggman Mark \| Super Ring \| Combine Ring \| Forcejewel \| Power Core \| Light Cores \| Special Combination
Level Objects	Item Box \| Item Panel \| Spring \| Spring Pole \| Crane Lift \| Dash Rail \| Spikes \| Checkpoint \| Time Warp Plate \| Signpost \| Goal Ring \| Hidden Treasure Ring \| Giant Ring \| Dash Ring \| Rainbow Ring \| Capsule \| Crate \| Water Barrel \| Button \| Dark Energy Key \| Bumper \| Speed Booster \| Air bubbles \| Chao container
Powerful Items	Chaos Emeralds \| Super Emeralds \| Master Emerald \| Time Stones \| Chaos Rings \| Precioustone \| Sol Emeralds \| Jeweled Scepter \| World Rings \| Excalibur \| Phantom Ruby \| Reverie \| Dream Core
Weapons	Piko Piko Hammer \| Chaos Energy Cannon \| Caliburn \| Wispon
Devices	Remote Robot \| Combi Confiner \| Mother Computer \| Nega's Camera \| Arks of the Cosmos \| Miles Electric
Other	Chili Dog \| Fortune Cards \| Speed Down Boots \| Chao Egg \| Scepter of Darkness \| Cacophonic Conch

Dark Energy Force Field

From Sonic Retro

References