Here is the full list of all 53 Supraland: Six Inches Under achievements worth 1,000 gamerscore.
You're halfway through the game already
He did all the work
Run faster
Hit Rock Bottom
Jump Higher!
Bending the knee gets you further
Heated up the water
It's made of wood, it will last forever
Killed the ghouls
Cage Town
Defeated Surprise Chest
Hello there!
Purple lines
You're so attractive
So much industry
I can fly... for a very short moment
Excellent plumbing work
You were hoping you would never see him again
Brings back the good old economy
Made it to the 2nd floor
Get an accountant
You're a criminal
Gold Module
Lifting weights
Broke into the bank
Bzzz bzzz
Very secret
Improvised
Much boom boom
I used to get that earlier in the previous game
Flying, sort of
Saved it from exploding
He loves the ladies
You feel so OP all of a sudden
Beat the big guy
Very unrealistic
You're probably 50% done now
Beep beep
The kids liked it
This one will never break
It feels so stable
Not sure if it's just a blue stone pickaxe
Burn 'em all
You smell so nice
And all I got was this lousy chest
Beat the arena next to town
Don't look behind you
You are less lost
Left the level
It probably has no use
Boing
You feel way too OP now
Much secret!