Here is the full list of all 30 SEUM: Speedrunners from Hell achievements.
Finish level in exactly 6.6 seconds.
Perform Butt First on one level.
Top a friends score on the Leaderboard.
Set your mouse on fire!
Finish one zone in Speedrun mode
Get killed by everything.
Just keep swimming.
Gotta catch 'em all.
Master of all four powers.
Perform head-banging.
Best of the best.
Set balerina score on one level, and be fabulous.
Retry 666 times.
Shoot fireball 666 times.
Jump 666 times.
Get the "Über Skull" time on one level.
Finished 100% of the game... or did you?
Hell Yeah! Now you can sleep.
Win 10 peaks.
Worship the Satan.
Complete one Heliku.
Play Endless mode 66 times.
Return all yours beers.
We salute you! \m/
Die 666 times.
Perform eight rituals.
Run 666m in the Endless Mode.
Be alive longer then 6 minutes.
Play SEUM more then 66 hours.
High pitched story.