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