| Secret Element | How to unlock |
| Characters | |
| Ness | ●Beat Ness in a brawl after reflecting 10 enemy projectiles in a brawl. |
| ●Have Ness join you in The Subspace Emissary. |
| ●Beat Ness after playing 5 brawls. |
| Marth | ●Beat Marth following the ending after beating Classic mode. |
| ●Have Marth join you in The Subspace Emissary. |
| ●Beat Marth after playing 10 brawls. |
| Luigi | ●Beat Luigi following the ending after beating Classic mode with no continues. |
| ●Have Luigi join you in The Subspace Emissary. |
| ●Beat Luigi after playing 22 brawls. |
| Falco | ●Beat Falco after clearing the 100-Man Brawl. |
| ●Have Falco join you in The Subspace Emissary. |
| ●Beat Falco after playing 50 brawls. |
| Captain Falcon | ●Beat Captain Falcon after beating Classic mode on Normal difficulty setting or greater in less than 12 minutes. |
| ●Have Captain Falcon join you in The Subspace Emissary. |
| ●Beat Captain Falcon after playing 70 brawls. |
| LUCARIO | ●Beat LUCARIO after beating Target Smash!! on all difficulty levels. |
| ●Have LUCARIO join you in The Subspace Emissary. |
| ●Beat LUCARIO after playing 100 brawls. |
| Snake | ●Beat Snake after playing 15 brawls on Shadow Moses Island. |
| ●Have Snake join you in The Subspace Emissary. |
| ●Beat Snake after playing 130 brawls. |
| R.O.B. | ●Beat R.O.B. after getting 250 different trophies. |
| ●Have R.O.B. join you in The Subspace Emissary. |
| ●Beat R.O.B. after playing 160 brawls. |
| Ganondorf | ●Beat Ganondorf after beating Classic mode on Hard difficulty setting or greater with Zelda or Link. |
| ●On the Subspace level in The Subspace Emissary, get the Link and Zelda trophies and beat the level. |
| ●Beat Ganondorf after playing 200 brawls. |
| Mr. Game & Watch | ●Beat Mr. Game & Watch after beating Target Smash!! with 30 different characters on any single difficulty level. |
| ●Have Mr. Game & Watch join you in The Subspace Emissary. |
| ●Beat Mr. Game & Watch after playing 250 brawls. |
| Sonic | ●Beat Sonic after beating Classic mode with 10 different characters. |
| ●Beat Sonic after playing in brawls for 10 hours. |
| ●Have Sonic join you in The Subspace Emissary. |
| ●Beat Sonic after playing 300 brawls. |
| JIGGLYPUFF | ●After beating The Subspace Emissary, beat JIGGLYPUFF after beating 20 Events (single-player). |
| ●After beating The Subspace Emissary, defeat JIGGLYPUFF inside the hidden door in The Swamp. |
| ●Beat JIGGLYPUFF after playing 350 brawls. |
| Toon Link | ●After beating The Subspace Emissary, beat Toon Link following the ending after clearing Classic mode. |
| ●After beating The Subspace Emissary, defeat Toon Link inside the hidden door in The Forest. |
| ●Beat Toon Link after playing 400 brawls. |
| Wolf | ●After beating The Supspace Emissary, beat Wolf after clearing Boss Battles mode with Fox or Falco. |
| ●After beating The Subspace Emissary, defeat Wolf inside the hidden door in The Ruins. |
| ●Beat Wolf after playing 450 brawls. |
| Wario (Conditions for having Wario join you in the Subspace Emissary) | ●On the Subspace level in The Subspace Emissary, get the Wario trophy and beat the level. |
| Stages | |
| Flat Zone 2 | ●Unlock Mr. Game & Watch. |
| Luigi's Mansion | ●Use Luigi 3 times in brawls. |
| 75m | ●Use Donkey Kong 20 times in brawls. |
| Pirate Ship | ●Unlock Toon Link. |
| Spear Pillar | ●Clear Event No. 25 ("The Aura is With Me"). |
| Mario Bros. | ●Clear Event No. 19 ("Wario Bros."). |
| Hanenbow | ●Clear Event No. 28 ("Flower Blooms in the Echoes"). |
| Green Hill Zone | ●Unlock Sonic. |
| Melee Stage: Jungle Japes | ●Play Melee stages 10 times. |
| Melee Stage: Green Greens | ●Use Kirby 20 times in brawls. |
| Melee Stage: Pokémon Stadium | ●Brawl on the Pokémon Stadium 2 stage 10 times. |
| Melee Stage: Big Blue | ●Use Captain Falcon 10 times in brawls. |
| Events | |
| Events：11-20 | ●Beat seven Events out of Events 1-10. |
| Events：21-28 | ●Collect Ness, Marth, Luigi, Captain Falcon, LUCARIO, and R.O.B., and clear 18 Events. |
| Events：29-40 | ●Collect all characters and clear 20 Events. |
| Events：41 | ●Clear Events 1-40. |
| Co-op Events：9-13 | ●Unlock Ness, Marth, Luigi, Captain Falcon, LUCARIO, and R.O.B. |
| Co-op Events：14-20 | ●Unlock all characters and clear 10 Co-op Events. |
| Co-op Events：21 | ●Clear Co-op Events 1-20. |
| Target Smash!! | |
| Level 2 | ●Play Target Smash!! Level 2 in Classic mode. |
| Level 3 | ●Play Target Smash!! Level 3 in Classic mode. |
| Level 4 | ●Play Target Smash!! Level 4 in Classic mode. |
| Level 5 | ●Play Target Smash!! Level 5 in Classic mode. |
| Stage Builder | |
| Edit Parts A | ●Brawl on custom stages 10 times. |
| Edit Parts B | ●Create 5 stages in the Stage Builder. |
| Edit Parts C | ●Create 15 stages in the Stage Builder. |
| Masterpieces | |
| Donkey Kong | ●Exceed 10 hours of powered-on time. |
| F-Zero | ●Have Captain Falcon join you in The Subspace Emissary. |
| Super Mario Bros. 2 | ●Get 5 standard brawl victories with Peach. |
| The Legend of Zelda: | ●Use Toon Link 10 times in brawls. |
| Ocarina of Time | |
| Super Mario World | ●Brawl on the Yoshi's Island Melee stage 3 times. |
| Other Game Modes | |
| Solo: All-Star | ●Unlock all characters. |
| Stadium: Boss Battle | ●Clear both Classic mode and The Subspace Emissary. |
| Additional Rules | ●Exceed 200 total brawl KOs for all characters. |
| Additional Rules: | ●Unlock all stages with additional rules enabled. |
| Random Stage Switch | |
| Assist Trophies | |
| Custom Robo | ●Play in 100 brawls. |
| Isaac | ●Play in 200 brawls. |
| Infantry and Tanks | ●Play in 300 brawls. |
| Barbara | ●Unlock 25 songs. |
| Gray Fox | ●Unlock Sonic. |
| Shadow the Hedgehog | ●Unlock Sonic. |
| Pokémon | |
| MEW | ●Has a 493-to-1 chance of appearing from a Poké Ball. |
| CELEBI | ●Has a 493-to-1 chance of appearing from a Poké Ball. |
| JIRACHI | ●Has a 493-to-1 chance of appearing from a Poké Ball. |
| Trophies | |
| Ancient Minister | ●Clear The Subspace Emissary. |
| Franklin Badge | ●Have Ness join you in The Subspace Emissary. |
| Striker Mario | ●Clear Classic mode on Very Hard difficulty. |
| Crazy Hand | ●Clear Classic mode on Intense difficulty. |
| Master Hand | ●Clear Classic mode with 20 characters. |
| Paper Mario | ●Clear Classic mode with all characters. |
| Birdo | ●Clear All-Star mode on Hard difficulty. |
| Dyna Blade | ●Clear All-Star mode on Very Hard difficulty. |
| MEWTWO | ●Clear All-Star mode on Intense difficulty. |
| PICHU | ●Clear All-Star mode with no continues. |
| Gekko | ●Clear All-Star mode with 10 characters. * |
| Kyle Hyde | ●Clear All-Star mode with all characters. * |
| Subspace Bomb | ●Clear Boss Battles on Easy difficulty. |
| Shadow Bugs | ●Clear Boss Battles on Normal difficulty. |
| Dark Cannon | ●Clear Boss Battles on Hard difficulty. |
| Porky Statue | ●Clear Boss Battles on Very Hard difficulty. |
| Galleom (Tank Form) | ●Clear Boss Battles on Intense difficulty. |
| Jyk | ●Clear Boss Battles with 20 characters. * |
| Subspace Gunship | ●Clear Boss Battles with 10 characters. * |
| Tabuu (Wings) | ●Clear Boss Battles with all characters. * |
| Home-Run Bat | ●Hit 500m in Home-Run Contest. * |
| Sandbag | ●Use every character in Home-Run Contest. * |
| Bumper | ●Hit 5,000m total with all fighters' Home-Run Contest records. * |
| Xananab | ●Hit 8,000m total with all fighters' Home-Run Contest records. * |
| Shy Guy | ●Hit 10,000m total with all fighters' Home-Run Contest records. * |
| Golden Hammer | ●Hit 15,000m total with all fighters' Home-Run Contest records. * |
| Pitfall | ●Clear the 100-Man Brawl. * |
| Blue Alloy | ●Clear the 100-Man Brawl with all characters. * |
| Green Alloy | ●Endure a 15-Minute Brawl. * |
| Yellow Alloy | ●Defeat 100 enemies in Endless Brawl. * |
| Red Alloy | ●Defeat 5 enemies in Cruel Brawl. * |
| Apples | ●Clear Target Smash Level 1. * |
| Stafy | ●Clear Target Smash Level 1 with 10 characters. * |
| Nintendo Scope | ●Clear Target Smash Level 1 with all characters. * |
| Palutena's Bow | ●Clear Target Smash Level 1 in under 15 seconds. * |
| Peanut Popgun | ●Clear Target Smash Level 2. * |
| Pellets | ●Clear Target Smash Level 2 with 10 characters. * |
| Blast Box | ●Clear Target Smash Level 2 with all characters. * |
| Wario Bike | ●Clear Target Smash Level 3. * |
| Ashnard | ●Clear Target Smash Level 3 with 10 characters. * |
| Silver | ●Clear Target Smash Level 3 with all characters. * |
| Ray Mk III | ●Clear Target Smash Level 3 in under 20 seconds. * |
| Rocketbarrel Pack | ●Clear Target Smash Level 4. * |
| Musketeer Daltania | ●Clear Target Smash Level 4 with 10 characters. * |
| King K. Rool | ●Clear Target Smash Level 4 with all characters. * |
| Cardboard Box | ●Clear Target Smash Level 4 in under 32 seconds. * |
| Outset Link | ●Clear Target Smash Level 5 with 10 characters. * |
| Gray Fox | ●Clear Target Smash Level 5 with all characters. * |
| Combo Cannon | ●Clear Target Smash Level 5 in under 30 seconds. * |
| Banana Peel | ●Get 10 max combos in Training. |
| Ouendan | ●Get 400 combined max combos with all characters in Training. |
| Halberd | ●Clear Event No. 3 ("Pink Ball Repulsion"). |
| Palutena | ●Clear Event No. 4 ("Cleaning House in Skyworld"). |
| Red Pikmin | ●Clear Event No. 14 ("Sproutrage of the Flower Pikmin"). |
| Baby Peach | ●Get 500 different trophies. |
| Creeping Chrysanthemum | ●Collect trophies for all characters. |
| Plusle & Minun | ●Collect Final Smash trophies for all characters. |
| Dr. Eggman | ●Get 500 different stickers. |
| Stickers | ●Collect all stickers. |
| Walky | ●Unlock 50 hidden songs. |
| Ballyhoo & Big Top | ●Unlock 75 hidden songs. |
| K.K. Slider | ●Collect all hidden songs. |
| Excitebikes | ●Collect all Masterpieces. |
| Timer | ●Play 30 hours of brawls. |
| Ashley Mizuki Robins | ●Play 100 hours of brawls. |
| Party Ball | ●Play 500 hours of brawls. |
| Cracker Launcher | ●Get 1,000 or more KOs in brawls. |
| Gulliver | ●Get 2,000 or more KOs in brawls. |
| Smash Coins | ●Play 10 Coin matches. |
| Tom Nook | ●Collect 1,000 coins in Coin matches. |
| Tails | ●Exceed 10,000m combined walking distance with all characters. |
| Kapp'n | ●Exceed 100m combined swim distance with all characters. |
| Hocotate Ship | ●Acquire from a box in the Subspace Emissary stage "Outer Ancient Ruins". |
| Stickers | |
| Running Chibi-Robo (Chibi-Robo) | ●Clear Classic Mode on Easy difficulty. |
| Phyllis | ●Clear All-Star mode on Normal difficulty. |
| (Animal Crossing: Wild World) | |
| Boo (Mario Tennis ) | ●Hit 300 metres in Home-Run Contest. * |
| Ryuta Ippongi (Ouendan 2) | ●Clear 100-Man Brawl in under 3 minutes, 30 seconds. * |
| Liquid Snake | ●Defeat 10 enemies in Cruel Brawl. * |
| (Metal Gear Solid: The Twin Snakes) | |
| Music | |
| Songs Obtained By Clearing | |
| Underwater Theme | ●Brawl on the Mushroomy Kingdom stage 10 times. |
| (Super Mario Bros.) | |
| Main Theme (Super Mario 64) | ●Play 50 hours of brawls. |
| Great Temple/Temple | ●Clear Event No. 33 ("Advent of the Evil King"). |
| Hidden Mountain & Forest | ●Clear Event No. 18 ("Dark Link Duel") on Hard difficulty. |
| Tal Tal Heights | ●Clear All-Star mode on Easy difficulty. |
| Song of Storms | ●Clear Event No. 37 ("The Pirate Airship"). |
| Ending (Metroid) | ●Brawl on the Norfair stage 10 times. |
| Multiplayer (Metroid Prime 2) | ●Brawl on the Frigate Orpheon stage 10 times. |
| The Legendary Air Ride Machine | ●Clear Event No. 13 ("Dragoon Strike"). |
| King Dedede's Theme | ●Clear Event No. 15 ("The Hammer of the King"). |
| 0² Battle | ●Collect more than 5,000 coins in Coin matches. |
| Frozen Hillside | ●Brawl on the Halberd stage 10 times. |
| Star Wolf (Star Fox Assault) | ●Clear Event No. 38 ("The Wolf Hunts the Fox") event on Hard difficulty. |
| Pokémon Centre | ●Get 200 different stickers. |
| Road to Viridian City | ●Clear Event No. 8 ("Go! Triple Finish!") |
| (from Pallet Town/Pewter City) | |
| Fire Field | ●Clear Event No. 24 ("Come on, Blue Falcon"). |
| Dream Chaser | ●Brawl on the Port Town Aero Dive stage 10 times. |
| Power-Hungry Fool | ●Brawl on the Castle Siege stage 10 times. |
| Ike's Theme | ●Have Ike join you in The Subspace Emissary. |
| Ai no Uta (French Version) | ●Hit 12,500 metres combined with all fighters' Home-Run Contest records. * |
| Clu Clu Land | ●Hit 400 metres in Home-Run Contest. * |
| Title (3D Hot Rally) | ●Clear Target Smash Level 5. |
| Excite Truck | ●Clear Target Smash Level 2 in under 19 seconds. |
| Snake Eater (Instrumental) | ●Brawl on the Shadow Moses Island stage 15 times. |
| Credits (Super Smash Bros.) | ●Clear Classic mode on Hard difficulty. |
| HIS WORLD | ●Brawl on the Green Hill Zone stage 10 times. |
| Princess Peach's Castle (Melee) | ●Unlock all Melee stages. |
| Icicle Mountain (Melee) | ●Clear Classic mode on Normal difficulty. |
| Mach Rider (Melee) Music | ●Defeat 50 enemies in Endless Brawl. * |
| Multi-Man Melee 1 (Melee) | ●Clear 100-Man Brawl in under 4 minutes. * |
| Menu 2 | ●Unlock all playable characters. |
| Songs Obtained From CDs | |
| Underground Theme | |
| (Super Mario Bros.) | |
| Castle/Boss Fortress | ●Unlock the Luigi's Mansion stage. |
| (Super Mario World/SMB 3) | |
| Main Theme | |
| (New Super Mario Bros.) | |
| Ricco Harbour | |
| Aboveground Theme 2 | |
| (Super Mario Bros.) | |
| Rainbow Road | |
| Bramble Blast | |
| Title (The Legend of Zelda) | |
| Village of the Blue Maiden | ●Unlock the Pirate Ship stage. |
| Termina Field | ●Unlock the Pirate Ship stage. |
| The Hidden Village | |
| Midna's Lament | |
| Norfair | |
| Vs. Parasite Queen | |
| Flower Field | |
| Vs. Marx | |
| Squeak Squad Theme | |
| Corneria | |
| Break Through the Ice | |
| Area 6 Ver. 2 | |
| Team Galactic Battle! | ●Unlock the Spear Pillar stage. |
| Route 209 | ●Unlock the Spear Pillar stage. |
| Car Select | |
| Planet Colours | |
| Shadow Dragon Medley | |
| Winning Road - Roy's Hope | |
| Victory is Near | |
| Snowman | |
| Mother 3 Love Theme | |
| You Call This a Utopia?! | |
| Tane no Uta | |
| Mike's Song (JP) | |
| Mike's Song | |
| 2:00AM | |
| Title (Kid Icarus) | |
| Gyromite | ●Unlock the Mario Bros. stage. |
| Chill (Dr. Mario) | ●Unlock the Flat Zone 2 stage. |
| Tetris: Type B | ●Unlock the Luigi's Mansion stage. |
| Tunnel Scene (X) | |
| Douchuumen | ●Unlock the Mario Bros. stage. |
| (Nazo no Murasamejo) | |
| Lip's Theme (Panel de Pon) | |
| Golden Forest | |
| (1080°Snowboarding) | |
| Mii Channel | |
| Wii Shop Channel | |
| Battle Scene / Final Boss | |
| (Golden Sun) | |
| Shaberu! DS Oryouri Navi | |
| Charge! (Wii Play) | |
| Theme of Solid Snake | |
| Calling To The Night | |
| Opening (Super Smash Bros. Melee) | |
| Super Sonic Racing | ●Unlock the Green Hill Zone stage. |
| Sonic Heroes | ●Unlock the Green Hill Zone stage. |
| Right There, Ride On | ●Unlock the Green Hill Zone stage. |
| Brinstar Depths (Melee) | |
| Fountain of Dreams (Melee) | ●Unlock the Melee stage, Green Greens. |
| Poké Floats (Melee) | ●Unlock the Melee stage, Pokémon Stadium. |
| Super Mario Bros. 3 (Melee) | |
| Mother 2 (Melee) | |
| Final Destination (Melee) | |
| Kong Jungle (Melee) | ●Unlock the Melee stage, Jungle Japes. |
| Venom (Melee) | |
| Mute City (Melee) | ●Unlock the Melee stage, Big Blue. |
| Menu (Melee) | |
| Giga Bowser (Melee) | |
| |
| Songs attained by unlocking stages | |
| Luigi's Mansion Theme | ●Unlock the Luigi's Mansion stage. |
| Airship Theme | ●Unlock the Luigi's Mansion stage. |
| (Super Mario Bros. 3) | |
| Tetris: Type A | ●Unlock the Luigi's Mansion stage. |
| Donkey Kong | ●Unlock the 75m stage. |
| Opening (Donkey Kong) | ●Unlock the 75m stage. |
| 25m BGM | ●Unlock the 75m stage. |
| Dragon Roost Island | ●Unlock the Pirate Ship stage. |
| The Great Sea | ●Unlock the Pirate Ship stage. |
| Gerudo Valley | ●Unlock the Pirate Ship stage. |
| Molgera Battle | ●Unlock the Pirate Ship stage. |
| Victory Road | ●Unlock the Spear Pillar stage. |
| DIALGA/PALKIA Battle at | ●Unlock the Spear Pillar stage. |
| Spear Pillar! | |
| Wild Pokémon Battle! (Diamond/Pearl) | ●Unlock the Spear Pillar stage. |
| Mario Bros. | ●Unlock the Mario Bros. stage. |
| Famicom Medley | ●Unlock the Mario Bros. stage. |
| Power-Up Music | ●Unlock the Mario Bros. stage. |
| Flat Zone 2 | ●Unlock the Flat Zone 2 stage. |
| Flat Zone (Melee) | ●Unlock the Flat Zone 2 stage. |
| Green Hill Zone | ●Unlock the Green Hill Zone stage. |
| Angel Island Zone | ●Unlock the Green Hill Zone stage. |
| Scrap Brain Zone | ●Unlock the Green Hill Zone stage. |
| Emerald Hill Zone | ●Unlock the Green Hill Zone stage. |
| Sonic Boom | ●Unlock the Green Hill Zone stage. |
| Open Your Heart | ●Unlock the Green Hill Zone stage. |
| Live & Learn | ●Unlock the Green Hill Zone stage. |
| Seven Rings in Hand | ●Unlock the Green Hill Zone stage. |
| Jungle Japes (Melee) | ●Unlock the Melee stage, Jungle Japes. |
| Green Greens (Melee) | ●Unlock the Melee stage, Green Greens. |
| Pokémon Stadium (Melee) | ●Unlock the Melee stage, Pokémon Stadium. |
| Battle Theme (Melee) | ●Unlock the Melee stage, Pokémon Stadium. |
| Big Blue (Melee) | ●Unlock the Melee stage, Big Blue. |
| Songs attained by clearing game modes | |
| Boss Battles | ●Clear Classic, The Subspace Emissary, and All-Star modes. |
| All-Star Rest Area | ●Clear All-Star mode. |
| Credits | ●Clear The Subspace Emissary. |
| Boss Battle Song 2 | ●Clear The Subspace Emissary. |
| Step: Subspace | ●Clear The Subspace Emissary. |
| Step: Subspace Ver. 2 | ●Clear The Subspace Emissary. |
| Step: Subspace Ver. 3 | ●Clear The Subspace Emissary. |
| Sound Effects Added to Sound Test | |
| Category: Characters | ●Unlock each respective character. |
| Category: Stages | ●Unlock each respective stage. |
| Category: Kirby's Copy Abilities | ●Unlock all characters. |
| Category: Fanfare | ●Unlock all characters. |
| Category: Subspace Enemies and Bosses | ●Clear Adventure Mode: The Subspace Emissary. |
| Category: Narration | ●Unlock All-Star and Boss Battles modes. |
| Category: Assist Trophies 3 | ●Collect all the Assist Trophies. |
