The challenge is to complete every single level of the new CLA. This is the format:
Levels Completed:
0 - B: (How many levels in this section of the CLA you've completed so far) / 453.
C - E: (How many levels in this section of the CLA you've completed so far) / 477.
F - G: (How many levels in this section of the CLA you've completed so far) / 343.
H - L: (How many levels in this section of the CLA you've completed so far) / 330.
M - O: (How many levels in this section of the CLA you've completed so far) / 465.
P - R: (How many levels in this section of the CLA you've completed so far) / 409.
S: (How many levels in this section of the CLA you've completed so far) / 363.
T: (How many levels in this section of the CLA you've completed so far) / 375.
U - Z: (How many levels in this section of the CLA you've completed so far) / 230.
Have fun!
Levels Completed:
0 - B: (How many levels in this section of the CLA you've completed so far) / 453.
C - E: (How many levels in this section of the CLA you've completed so far) / 477.
F - G: (How many levels in this section of the CLA you've completed so far) / 343.
H - L: (How many levels in this section of the CLA you've completed so far) / 330.
M - O: (How many levels in this section of the CLA you've completed so far) / 465.
P - R: (How many levels in this section of the CLA you've completed so far) / 409.
S: (How many levels in this section of the CLA you've completed so far) / 363.
T: (How many levels in this section of the CLA you've completed so far) / 375.
U - Z: (How many levels in this section of the CLA you've completed so far) / 230.
Have fun!