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