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