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