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