Sonic Games - How fast did you complete it?

As we all know, Sonic Games have one thing about them that comes to mind when starting a new game......


Speed!


Well some may disagree with that for some games of the franchise, but a lot of people have been setting records for the fastest times in which they completed the game(not including bonuses and side quests. True final bosses are accepted).


I'll start by telling how fast I completed Sonic Games.
Note: I don't remember all of them, nor have I written them down. I'm just listing the ones I know.


Sonic Generations - X-BOX 360: 1-2 hours
Sonic Generations - 3DS: About 2-4 Hours
Sonic R - PC: About 1/2-1 hour
Shadow the Hedgehog - X-BOX: 1-2 days, minus technical difficulties
Sonic Rivals - PSP Emulator on PC: 4-5 days
Sonic Adventure DX - PC: 1-3 days, minus time spent in the chao garden
Sonic Lost World - 3DS: 2-3 hours
Sonic Adventure 2 Battle - X-BOX Live Arcade: 3-5 days, minus chao garden
Sonic the Hedgehog 3 - X-BOX Live Arcade: 1-3 hours, plus time spent retrying special stages
Sonic and Knuckles - X-BOX Live Arcade: 2-4 hours, plus time spent retrying special stages
Sonic the Hedgehog 3 & Knuckles - X-BOX Live Arcade: 2-5 hours, plus time spent retrying special stages
Sonic the Hedgehog 2006 - Playstation 3: 4-7 days at least
Sonic Colours - Nintendo Wii: 2-4 hours
Sonic Colours - Nintendo DS: 3-5 hours
Sonic Heroes - PC: 12 hours-2 days
Sonic Riders - PC: 3-5 hours
Sonic Riders: Zero Gravity - Playstation 2: 4-6 hours
Sonic Free Riders - X-BOX 360 Kinect: 1-4 days, minus breaks
Sonic Unleashed - Nintendo Wii & Playstation 2: 3 hours-2 days
Sonic Unleashed - X-BOX 360: 1-3 days


And that's about it!


If you want, you can also list the fastest times for a certain Sonic Level!


How fast did you guys finish the games?