100%
Finished 100% of the game... or did you?
666%
Hell Yeah! Now you can sleep.
The Climber
Win 10 peaks.
Über time!
Get the "Über Skull" time on one level.
Extra Sensitive
Set your mouse on fire!
Hail Satan
Worship the Satan.
Ritual performed
Complete one Heliku.
Endless Suffering
Play Endless mode 66 times.
Beer Collector
Return all your beers.
Top 10
Best of the best.
Speedrunner
Finish one zone in Speedrun mode.
Hardcore Speedrunner
Speedrun all levels without dying!
RIP
Die 666 times.
Heliku Master
Perform eight rituals.
Long Distance Runner
Run 666m in the Endless Mode.
The Avatar
Master of all four powers.
Live long and prosper
Be alive longer than 6 minutes.
66 hours of Hell
Play SEUM more than 66 hours.
The Jumper
Jump 666 times.
100 ways to die
Get killed by everything.
Beat a friend
Top a friends score on the Leaderboard.
Find the Balls
Gotta catch 'em all.
One more try
Retry 666 times.
Firestarter
Shoot fireball 666 times.
Swim Like a Fish
Just keep swimming.
The Ballerina
Set ballerina score on one level, and be fabulous.
The Headbanger
Perform head-banging.
Butt First
Perform Butt First on one level.
Devils Time
Finish level in exactly 6.6 seconds.
Hellium
High pitched story.