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