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