South Park Tenormans Revenge

For this achievement you need to get a gold medal on all the levels.

By collecting time particles, you can decrease your time below 00:00.

Defeated enemies drops time particles and there is usually a lot of time particles in the secret areas. See achievement “Super Adventure Club” for secret area locations

Be on the lookout for super time particles, the bigger ones, they are worth 8 time particles.

These are the times to beat:

South Park 2546 : -02:16
A Ginger is Born : -04:47
Red Power : -01:00
South Park Sewers : -05:40
Poop! : -05:50
Pi Pi's Splashtown : -00:53
Fleeing The Pee Tsunami : -04:25
Tynacorp Labs : -01:59
Towel Production Facility : -02:18
Manbearpig : 00:45
Park Country Dump : -03:40
Leopold's Last Stand : -03:44
Heavenly City : -05:01
War in the Clouds : -01:40
Depths of Hell : -02:00
Hot Lava : -06:20
Facing The Antichrist : 01:20
Jungles of Peru : -06:10
Temple Trouble : -03:00
Cartmanland? : -03:30
Chili Con Carnival : -03:00
...Best Served Chili : 01:41

x360a member McDurbin made a thread with videos to help with this achievement.
Link HERE