Shovel Knight

• Unlock boss fight against Shovel Knight

Community-reported

• Fight Shovel Knight as a rival; victory unlocks an item recipe depending on the selected player character.

From NintendoSource

• Unlock boss fight against Shovel Knight

Community-reported

• Unlock a fairy companion and player color palette matching the character

Community-reported

• Unlock a character-specific Shovel Knight remix immediately

Community-reported

• Receive a random title or avatar item, up to five times a day. Each amiibo can be used once a day.

From NintendoSource

• Unlock character-specific challenge stages, a character-based fairy companion, and a costume for the character
• Unlock Custom Knight, and save customizations to the amiibo (Shovel of Hope only)

Community-reported

• Unlock character-specific challenge stages, a character-based fairy companion, and costumes for the character
• Unlock Custom Knight, and save customizations to the amiibo (Shovel of Hope only)

Community-reported

• Unlock character-specific challenge stages, a character-based fairy companion, and costumes for the character
• Unlock Custom Knight, and save customizations to the amiibo (Shovel of Hope only)

Community-reported

• Summon a fairy friend

Community-reported

• Summon a fairy friend

Community-reported

• Unlock a special costume for the character

Community-reported

• Receive a Spirit of the character

Community-reported

• Unlock randomly assigned three-minute NES or SNES game scenes. Subsequent scans change the scene.

From NintendoSource