Bronze:
Elhorn Tourist
Objective: Completed all stages
Zephyrus Saviour
Objective: Completed Arcade Mode on Normal
Ferocious Flier
Objective: Completed 1.2 having defeated all enemies
Wolf Connoisseur
Objective: Completed 2.1 having collected all pickups
Nimble Knight
Objective: Completed 3.2 without taking damage
Burst Friends
Objective: Defeat 5 enemies in a single Rocket Burst or Drill attack
Woodland Bouncer
Objective: Defeat 3 enemies with a single reflected projectile
Silver:
Devotindos Defiler
Objective: Completed Arcade Mode on Hard in a Single Playthrough
Impatient Hero
Objective: Completed all stages below par time
Spark Dog Millionaire
Objective: Completed Arcade Mode scoring One Million Points or more
Redoubtable Runner
Objective: Completed Arcade Mode on Hard within 60 minutes
Gold:
Legendary Possom
Objective: Completed Gold Sparkster Mode