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