Super Smash Bros. for Nintendo 3DS offers a total of 105 challenges. There are thirty-five challenges divided among three panels, and each challenge also gives its own reward.
Overview
When a challenge is completed, an image appears on the corresponding tile and a reward is granted, which can range from a unique trophy to a character's move. Additionally, completing a Challenge causes any adjacent tiles to change color. Dark blue tiles represent revealed (but incomplete) challenges, while light blue ones mean that completing the revealed Challenge will grant a Golden Hammer, in addition to the standard reward.
Golden Hammers can be used to open any tile of their choice, with a few exceptions. Golden Hammers can only be used on the panel that they were unlocked at. Each panel has up to three Golden Hammers that can be obtained.
Challenges
Note: challenges that reward a Golden Hammer are colored yellow, and challenges that cannot be unlocked with them are colored red.
| Panel 1 | ||||
|---|---|---|---|---|
| Challenge | Reward | Image | ||
| 1 | Collect 30 or more unique trophies. | Trophy | Toad | 
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| 2 | Place first in 1 or more Smash Run final battles. | Power | Lv. 1 Horizon Beam | 
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| 3 | Clear All-Star on Easy. | Trophy | Epona | 
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| 4 | Create 1 or more Mii Fighters in Custom. | Headgear | Football Helmet | 
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| 5 | Battle 3 or more times on the Rainbow Road stage in Smash. | Trophy | Peach + Birthday Girl | 
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| 6 | Use a Final Smash while playing as Kirby. | Stage | Dream Land | 
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| 7 | Hit Sandbag 984 ft. or more in Home-Run Contest. | Trophy | Bonkers | 
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| 8 | Get a max combo of 10 or more in Training. | Special | Huge Header (Wii Fit Trainer) | 
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| 9 | Unlock the hidden character Ness. | Stage | Magicant | 
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| 10 | Collect 5 unique custom headgear items | Power | Lv. 1 Strong Head | 
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| 11 | Play Target Blast for the first time. | Pokémon | Xerneas | 
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| 12 | Play Rival Smash for the first time. | Headgear | Super Mushroom Hat | 
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| 13 | Play StreetSmash for the first time. | Special | Lightning Falcon Kick(Captain Falcon) | 
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| 14 | Battle 2 or more times on the Tortimer Island stage in Smash. | Special | Liftoff Lloid (Villager) | 
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| 15 | Obtain 10 types of Smash Run Powers. | Power | Lv. 2 Reflector | 
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| 16 | Play Trophy Rush for the first time. | Trophy | Timmy & Tommy | 
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| 17 | Use a Final Smash while playing as PAC-MAN. | Stage | PAC-MAZE | 
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| 18 | Play Home-Run Contest for the first time. | Trophy | Home-Run Bat | 
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| 19 | Battle 3 or more times on the Reset Bomb Forest stage in Smash. | Trophy | Cragalanche the Mighty | 
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| 20 | Win 3 Smash Battles with Captain Falcon. | Stage | Mute City | 
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| 21 | Unlock the hidden character Dark Pit. | Trophy | Dark Pit Staff | 
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| 22 | Clear Classic on intensity 3.0 or higher. | Music | Master Hand | 
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| 23 | Unlock the hidden character Wario. | Stage | WarioWare, Inc. | 
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| 24 | Play 100-Man Smash for the first time. | Pokémon | Victini | 
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| 25 | Use Villager 3 or more times in Smash. | Stage | Balloon Fight | 
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| 26 | Play Endless Smash for the first time. | Pokémon | Genesect | 
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| 27 | Clear 10-Man Smash. | Pokémon | Zoroark | 
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| 28 | Get at least 20 KOs in 3-Minute Smash. | Trophy | Karate Joe | 
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| 29 | Destroy 300 blocks in Trophy Rush. | Special | Giant Bomb (Link) | 
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| 30 | Win 3 Smash battles with Luigi. | Headgear | Luigi’s Cap | 
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| 31 | Win 2 Smash battles with Ness. | Trophy | Mr. Saturn | 
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| 32 | Play Cruel Smash for the first time. | Headgear | Spiny Hat | 
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| 33 | Collect 3 unique custom outfits. | Power | Lv. 1 Strong Body | 
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| 34 | Win 2 Smash battles with Zelda. | Headgear | Princess Zelda Wig | 
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| 35 | Score 100,000 or more in Target Blast. | Trophy | Blast Box | 
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| Panel 2 | ||||
| 1 | Place first in Smash Run final battles with 5 different characters. | Power | Lv. 2 Spinning Blades | 
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| 2 | Get a max combo of 40 or more in Training. | Equipment | Beam Sword Agility Badge | 
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| 3 | Unlock all playable fighters. | Music | Menu 2 (Melee) | 
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| 4 | Create 3 custom characters in Custom | Equipment | Sprinter Agility Badge | 
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| 5 | Destroy 1,000 blocks in Trophy Rush. | Special | Close Combat (Ike) | 
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| 6 | Get 100 KOs in Smash. | Equipment | Hyper Smasher Brawn Badge | 
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| 7 | Collect 150 or more unique trophies. | Trophy | Redd | 
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| 8 | Have a total score of over 2,000,000 between all fighters in Target Blast. | Trophy | King Bob-omb | 
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| 9 | Get a total of 5 hits in StreetSmash. | Power | Lv. 2 Shinespark | 
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| 10 | Get 10 or more KOs in a single Rival Smash. | Equipment | KO Healer Protection Badge | 
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| 11 | Battle 3 or more times on the Living Room stage in Smash. | Trophy | Golden Retriever | 
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| 12 | Get 10 KOs by knocking foes into other foes in StreetSmash. | Trophy | Mugly | 
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| 13 | Obtain 25 types of Smash Run Powers. | Power | Obtain 25 types of Smash Run Powers. | 
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| 14 | Clear 100-Man Smash. | Equipment | Auto-Healer Brawn Badge | 
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| 15 | Reveal 99% of the wall during the staff credits. | Music | Credits | 
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| 16 | Clear Classic with five fighters. | Trophy | Master Hand | 
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| 17 | Battle 3 or more times on the Find Mii stage in Smash. | Trophy | Dark Emperor | 
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| 18 | Win 5 Smash battles with Meta Knight. | Special | High-Speed Drill (Meta Knight) | 
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| 19 | Unlock the hidden character Mr. Game & Watch. | Stage | Flat Zone 2 | 
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| 20 | Defeat Master Core. | Music | Master Core | 
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| 21 | Get 20 or more in KOs by countering in StreetSmash. | Equipment | First Striker Agility Badge | 
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| 22 | Hit Sandbag 1,968 ft. or more in Home-Run Contest. | Equipment | Home-Run Bat Agility Badge | 
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| 23 | Get 30 or more KOs in Endless Smash. | Trophy | Fire Stingray | 
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| 24 | Play Smash Run 5 times. | Power | Lv. 2 Horizon Beam | 
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| 25 | Unlock every stage. | Trophy | Tortimer Island | 
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| 26 | Play 10 collective hours of Smash. (Total gameplay × participants.) | Trophy | Knuckle Joe | 
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| 27 | Win 10 Smash battles with Samus. | Headgear | Samus’s Helmet | 
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| 28 | Collect 15 unique special moves. | Equipment | Smash Ball Attractor Agility Badge | 
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| 29 | Collect 5 unique custom outfits. | Headgear | Spartan Helmet | 
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| 30 | Get 300 KOs in Smash. | Equipment | Critical Hitter Brawn Badge | 
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| 31 | Play Home-Run Contest with 15 or more fighters. | Equipment | Quick Batter Brawn Badge | 
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| 32 | Create 8 or more Mii Fighters in Custom. | Headgear | Top Hat | 
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| 33 | Collect 10 unique custom headgear items. | Outfit | Plate Armor | 
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| 34 | Clear All-Star on Normal. | Trophy | Medusa, Queen of the Underworld | 
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| 35 | Have the game on for more than 8 hours. | Pokémon | Meloetta | 
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| Panel 3 | ||||
| 1 | Clear Classic on intensity 9.0. | Trophy | Guardian | 
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| 2 | Hit Sandbag 3,280 ft. or more in Home-Run Contest. | Power | Lv. 3 Ore Club | 
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| 3 | Place first in 20 or more Smash Run final battles. | Power | Lv. 3 Dual Cyclone | 
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| 4 | Create 10 custom characters in Custom. | Equipment | Air Defender Protection Badget | 
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| 5 | Get 50 or more KOs in a single Rival Smash. | Power | Lv. 3 Health Recovery | 
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| 6 | Get at least 110 KOs in 3-Minute Smash. | Equipment | Crouch Healer Protection Badge | 
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| 7 | Obtain all custom outfits, headgear, and special moves. | Trophy | Michaela | 
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| 8 | Destroy 3,000 blocks in Trophy Rush. | Special | Exploding Popgun (Diddy Kong) | 
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| 9 | Clear Classic with all fighters. | Trophy | Crazy Hand | 
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| 10 | Clear 100-Man Smash within 3 minutes. | Special | Effortless Blade (Marth) | 
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| 11 | Walk at least 31 miles total between all fighters. | Equipment | Speed Walker Brawn Badget | 
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| 12 | Clear 10-Man Smash within 20 seconds. | Equipment | Quick Smasher Protection Badge | 
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| 13 | Get a max combo of 400 or more between all fighters in Training. | Equipment | Leaper Agility Badge | 
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| 14 | Clear All-Star with all fighters. | Headgear | Regal Crown | 
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| 15 | Destroy all targets in Target Blast. | Outfit | Steampunk Getup | 
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| 16 | Reach a total of 49,212 ft. in Home-Run Contest between all fighters. | Trophy | Sandbag | 
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| 17 | Collect over 500 unique trophies. | Trophy | Luigi (With Poltergust 3000) | 
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| 18 | Clear Solo 10-Man Smash with all fighters. | Trophy | Kat & Ana | 
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| 19 | Score 200,000 or more in Target Blast. | Special | Explosive Punch (Mario) | 
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| 20 | Clear Solo 100-Man Smash with all fighters. | Trophy | Shadow | 
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| 21 | Play 50 collective hours of Smash. (Total gameplay × participants.) | Trophy | Color TV-Game 15 | 
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| 22 | Place first in Smash Run final battles with all fighters. | Power | Lv. 3 Shuffle | 
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| 23 | Jump at least 6 miles total between all fighters. | Power | Lv. 3 High Jump | 
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| 24 | Play Target Blast with all fighters. | Trophy | Dark Train | 
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| 25 | Get 20 KOs by knocking foes into other foes in StreetSmash. | Trophy | Koopa Troopa (Green) | 
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| 26 | Get a max combo of 100 or more in Training. | Outfit | Protective Gear | 
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| 27 | Have the game on for more than 20 hours. | Headgear | Princess’s Crown | 
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| 28 | Get 4 or more KOs in Cruel Smash. | Headgear | Lion Hat | 
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| 29 | Clear All-Star on Hard. | Trophy | Nintendoji | 
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| 30 | Get 1,000 KOs in Smash. | Equipment | Moon Launcher Brawn Badge | 
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| 31 | Get 2 or more KOs in Cruel Smash. | Equipment | Shield Exploder Protection Badge | 
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| 32 | Get 200 or more KOs in Endless Smash. | Power | Lv. 3 Launch Ring | 
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| 33 | Collect all Smash Run Powers. | Headgear | Prince’s Crown | 
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| 34 | Clear All-Star with 15 fighters. | Music | All-Star Rest Area | 
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| 35 | Collect over 600 unique trophies. | Trophy | Wentworth | 
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