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