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