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