Sonic Unleashed Cheats & Tips

The Dark Gaia Phoenix boss is flawed. Unlike other bosses, his health is not capped.
Make sure your Werehog has a reasonably high strength stat (Probably about level 8, or something), also make sure that you can perform the charge-up Y attack.

When the Dark Gaia Phoenix is extinguished, fully charge your Y attack, and hit it. Do this again quickly before you go into a button sequence.
During the button sequence, his health will go down by about two and a half bars. Complete the button sequence to finish him off. You should be able to defeat him in about a minute.
If your Strength stat is at the maximum level, then you should be able to defeat him in 40 seconds, without having to go into a button sequence.

You need to Air Boost opower-up from Chun-Nan to do this.
Go down a sploe or somewhere to pick up speed, then perform a drift as you would in a stage. You may not have a Ring Energy bar, but it still registers the Ring Energy gained from the drift. You should then be able to do short bost jumps.

Note: If you have Maximum Level Speed, then you will sometimes be able to gain a good speed simply by running normally.

First, get close to the goal ring, and Homing Attack it or Air Boost the Goal Ring. Then, just before you hit the rings, pause the game and restart the game. It's risky but, if done you wil finish with 0:00:00.

Not really useful but when going through a rail booster (the ones already on the rail), jump to a rail next to you as soon as you do. This will cause sonic to fall of the rail, usually to his death.

You need the Air Boost shoes from Chun-Nan.

Go to Holoska Entrance Stage, and turn around then Air Boost facing left of the sign, and you'll go through the wall.