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