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