Complete 10 Easy challenges.
Complete 20 Easy challenges.
Complete 30 Easy challenges.
Complete 40 Easy challenges.
Complete all 50 Easy challenges.
Complete 10 Medium challenges.
Complete 20 Medium challenges.
Complete all 30 Medium challenges.
Complete 10 Hard challenges.
Complete all 20 Hard challenges.
Get an S-rank or higher on Easy challenges 1 through 10.
Get an S-rank or higher on Easy challenges 11 through 20.
Get an S-rank or higher on Easy challenges 21 through 30.
Get an S-rank or higher on Easy challenges 31 through 40.
Get an S-rank or higher on Easy challenges 41 through 50.
Get an S-rank or higher on Medium challenges 1 through 10.
Get an S-rank or higher on Medium challenges 11 through 20.
Get an S-rank or higher on Medium challenges 21 through 30.
Get an S-rank or higher on Hard challenges 1 through 10.
Get an S-rank or higher on Hard challenges 11 through 20.
Get an S+ rank on Easy challenges 1 through 10.
Get an S+ rank on Easy challenges 11 through 20.
Get an S+ rank or higher on Easy challenges 21 through 30.
Get an S+ on Easy challenges 31 through 40.
Get an S+ rank on Easy challenges 41 through 50.
Get an S+ rank on Medium challenges 1 through 10.
Get an S+ rank on Medium challenges 11 through 20.
Get an S+ rank on Medium challenges 21 through 30.
Get an S+ rank on Hard challenges 1 through 10.
Get an S+ rank on Hard challenges 11 through 20.