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