Metroid

• Unlock a special costume

Community-reported

• Unlock a Metroid-themed Mii racing suit

Community-reported

• Replenish a random amount of missiles once per day

Community-reported

• Play a musical jingle

Community-reported

• Play a musical jingle

From Nintendo

• Unlock an armor paint job based on the character

Community-reported

• Unlock an armor paint job based on the character for use in Blast Ball
• Unlock an armor paint job with additional repair capsules for use in campaign missions

Community-reported

• Reveal nearby Metroids on the map. After completing the game, unlock the harder Fusion mode with Samus’s Fusion Suit.

From NintendoSource

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

From NintendoSource

• Receive a Spirit of the character

Community-reported

• Receive a sketch of the character from Wario which can be exchanged for in-game coins

Community-reported

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

From NintendoSource