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