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