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