Bronze:

Poison Mushroom
Objective: Score 100,000 points in Time Trial

Miss Strawberry
Objective: Score 500,000 points in Time Trial

Count Pork
Objective: Score 1,000,000 points in Time Trial

Mr. Caterpillar
Objective: 1 or more Numblasts in Time Trial

Toxic Spider
Objective: Complete lv. 10 in Endless Mode (easy)

Swan Princess
Objective: Complete Lv.10 in Endless Mode (normal)

Bat Panda
Objective: Complete Lv.10 in Endless Mode (hard)

Eat my Stuff Teddy
Objective: Complete Lv.30 in Endless Mode (easy)

Devilish Fawn
Objective: Complete Lv.30 in Endless Mode (normal)

Little Dolly Marie
Objective: Complete Lv.30 in Endless Mode (hard)

Self-evolving Cat
Objective: 1 or more Numblasts in Endless Mode

Phoenix
Objective: Clear Puzzles 1-25 in Puzzle Mode

Frog Prinze
Objective: Receive Gold Crown in Puzzle Mode

Silver:

Akasaka Sempai Bunny
Objective: Complete Lv. 50 in Endless Mode (hard)

Gold:

Akasaka Imposter
Objective: Receive Gold Crown for all puzzles