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