Here is the full list of all 30 SEUM: Speedrunners from Hell achievements.
Play SEUM more then 66 hours.
Die 666 times.
Be alive longer then 6 minutes.
We salute you! \m/
Finish one zone in Speedrun mode
High pitched story.
Gotta catch 'em all.
Run 666m in the Endless Mode.
Play Endless mode 66 times.
Worship the Satan.
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.
Set your mouse on fire!
Perform head-banging.
Best of the best.
Master of all four powers.
Retry 666 times.
Set balerina score on one level, and be fabulous.
Perform Butt First on one level.
Get killed by everything.
Jump 666 times.
Finish level in exactly 6.6 seconds.
Shoot fireball 666 times.
Get the "Über Skull" time on one level.
Top a friends score on the Leaderboard.