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