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