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