All skins:Press Up(2), Down(2), Left, Right, Left, Right, B, A(2) at the “Press Start” screen. All skins will become available at the “Unlockables” menu.Secret damage moves in Hard mode:Damage the following Bosses using the corresponding techniques. Defeat the boss, then the next level will then be in Hard mode.BOSS – TECHNIQUEForest Shredder (Wolf Kingdom) – Reflect his dynamite back at his face. Wolf King (Deep Underground) – Wait for him to stand on top of a breakable floor block. Hit him until laughs, then drill attack the floor so that he falls. Axel Gear (Return To Zephyrus) – Have him get hit by the tracking purple ball attack that he uses. Gold Sparkster mode:To unlock Gold Sparkster mode, complete Arcade mode under the Hard difficulty setting, using the secret damage move on every Boss.Skins:Unlock the following skins by performing the corresponding tasks:SKIN – HOW TO UNLOCKAxel Gear – Complete Arcade mode under Hard difficulty while using the secret damage move on every Boss. Gold Sparkster – Successfully complete Gold Sparkster mode. Achievements:ACHIEVEMENT – HOW TO UNLOCKElhorn Tourist (30 points) – Completed all stages. Zephyrus Saviour (35 points) – Completed Arcade Mode on Normal. Devotindos Defiler (25 points) – Completed Arcade Mode on Hard in a Single Playthrough. Legendary Possum (20 points) – Completed Gold Sparkster Mode. Impatient Hero (20 points) – Completed all stages below par time. Spark Dog Millionaire (15 points) – Completed Arcade Mode scoring 1,000,000 or more. Redoubtable Runner (15 points) – Completed Arcade Mode on Hard within 60 minutes. Ferocious Flier (10 points) – Completed 1.2 having defeated all enemies. Wolf Connoisseur (10 points) – Completed 2.1 having collected all pickups. Nimble Knight (10 points) – Completed 3.2 without taking damage. Burst Friends (5 points) – Defeat 5 enemies in a single Rocket Burst or Drill attack. Woodland Bouncer (5 points) – Defeat 3 enemies with a single reflected projectile?