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