All skins...
	Gold Sparkster mode...
	Secret damage moves...
	Skins...
	Steam achievements...

At the "Press Start" screen, press [Up] two times, [Down] two times, [Left], [Right], [Left], [Right], [Projectile], [Jump] two times to unlock all skins at the "Unlockables" menu. If you entered the code correctly, you will hear a sound.

Successfully complete Arcade mode under the Hard difficulty setting, using the secret damage move on every Boss.

Damage the following Bosses with the indicated technique. A sound will confirm correct code entry. Defeat the boss, then the next level will then be in Hard mode.

Damage move	How to unlock
Axel Gear	Have him get hit by the tracking purple ball attack that he uses.
Wolf King	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.
Wolf Robot	Reflect his dynamite back at his face.

Complete the indicated task to unlock the corresponding skin.

Axel Gear: Complete Arcade mode under the Hard difficulty, using the secret damage move on every Boss.
Gold Sparkster: Complete Gold Sparkster mode.

Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.

Achievement	How to unlock
Bunker Buster	Complete world 3.
Burst Friends	Defeat 5 enemies in a single Rocket Burst or Drill attack.
City Saviour	Complete world 1.
Devotindos Defiler	Completed Arcade Mode on Hard.
Elhorn Tourist	Completed all stages.
Ferocious Flier	Completed 1.2 having defeated all enemies.
Impatient Hero	Completed all stages below par time.
Legendary Possum	Completed gold sparkster mode.
Nimble Knight	Completed 3.2 without taking damage.
Redoubtable Runner	Completed Arcade Mode on Hard within 60 minutes.
Return of the Rocket Knights	Complete world 4.
Spark Dog Millionaire	Completed Arcade Mode scoring 1,000,000 or more.
Wolf Connoisseur	Completed 2.1 having collected all pickups.
Wolf Kingdom Conqueror	Complete world 2.
Woodland Bouncer	Defeat 3 enemies with a single reflected projectile.
Zephyrus Saviour	Completed Arcade Mode on Normal.