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