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