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