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