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