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