Challenge-I - 30 - Optical illusion

Difficulty: Medium
Author: Eric Schmidt

Special-I - 519 - Level Variation Sp 1

Difficulty: Easy
Author: Donald Drouin

Special-I - 518 - Delinquent Duo

Difficulty: Easy
Author: Secret Squïrrel (Mod)

Special-I - 517 - Prototypical Cube

Difficulty: Medium
Author: Razorflame

Special-I - 516 - Dynamic Duo

Difficulty: Easy
Author: Razorflame

Special-I - 515 - ''A Minute''-DDRS #1

Difficulty: Easy
Author: Donald Drouin

Special-I - 514 - An Impressive Scale

Difficulty: Easy
Author: Donald Drouin