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