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