Unlock the following bonuses by performing the corresponding tasks in Time Trials:
BONUS - HOW TO UNLOCK D.A. Garden - Have a total time less than 37'00 in Time Trials Sound Test - Have a total time less than 4'00 in Special Stage Time Trials Special Stage Time Trials - Have a total time less than 30'00 in Time Trials Stage Select - Have a total time less than 5'00 in Special Stage Time Trials Visual Mode - Have a total time less than 25'00 in Time Trials
Activate the following cheats by entering the corresponding codes in the Sound Test:
CHEAT FUNCTION - CHEAT CODE "Batman" Sonic - PCM 04 DA 21 Cute Sonic - PCM 11 DA 09 Dj Mc Sonic - PCM 03 DA 01 Secret Special Stage - PCM 7 DA 7 Tails - See you Next Game - PCM 12 DA 11 That Freaky Sonic One - PCM 12 DA 25
ACHIEVEMENT - HOW TO UNLOCK 88 Miles per Hour (5 points) - Travel through time. Just one hug is enough (5 points) - Get a hug from Amy. Paradise Found (5 points) - Complete a zone in the Good Future. Take the High Road (10 points) - Pass the upper Signpost in Collision Chaos Zone 2. King of the Rings (10 points) - Collect 200 Rings. Statue Saviour (10 points) - Find the angel statue in Wacky Workbench. Heavy Metal (15 points) - Defeat Metal Sonic without getting hurt. All Stages Clear! (15 points) - Finish the game. Treasure Hunter (20 points) - Collect all the Time Stones. Dr. Eggman Got Served (30 points) - Destroy Dr. Eggman's final machine. Just in Time! (35 points) - Complete the Time Attack mode in under 25 minutes. Saviour of the Planet (40 points) - Destroy all the robot teleporters and Metal Sonic holograms in the past.