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