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