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