
SEND
Not unlocked yetComplete Chapter 1.

Repeat
Not unlocked yetComplete Chapter 1 challenges including hard levels.

IF
Not unlocked yetComplete Chapter 2.

AND
Not unlocked yetComplete Chapter 2 challenges including hard levels.

Equals
Not unlocked yetComplete Chapter 3.

GreaterThan
Not unlocked yetComplete Chapter 3 challenges including hard levels.

Add1
Not unlocked yetComplete Chapter 4.

Reset
Not unlocked yetComplete Chapter 4 challenges including hard levels.

Paint
Not unlocked yetComplete Chapter 5.

BreakLoop
Not unlocked yetComplete Chapter 5 challenges including hard levels.

Apprentice
Not unlocked yetComplete your first hard level.

No If
Not unlocked yetSolve 2-0 without using IF block.

Bruteforcer
Not unlocked yetSolve the puzzle, but fail all 10 additional clear checks.

Overflow
Not unlocked yetattempt to write a number too large or small for a cube or a variable.

Towards perfection
Not unlocked yetCreated a solution which doesn't work in some cases.

LASERS!!!
Not unlocked yetGo across the deadly lasers with the cube.

OverEfficient
Not unlocked yetSolve a level with a shorter code than the challenge

Without Numbers
Not unlocked yetSolve 5-X2 without using 'Add1' nor 'Minus1' block. Useful note: The incoming cubes have a maximum of 5 red and 5 yellow cubes.