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