Pokemon Picross Cheats - 3DS

Passwords (EU/AU Versions)
89907383 - Unlocks a secret stage in Area 03.
18587211 - Unlocks a secret stage in Area 04.
74326715 - Unlocks a secret stage in Area 05.
77742314 - Unlocks a secret stage in Area 05.

Passwords (JP Versions)
80930344 - Unlocks a secret stage in Area 03.
72398476 - Unlocks a secret stage in Area 04.
75946452 - Unlocks a secret stage in Area 05.
15768352 - Unlocks a secret stage in Area 05.

Passwords (US Version)
34111425 - Secret Stage of Area 03.
75603372 - Secret Stage of Area 04.
72005601 - Secret Stage of Area 05.
96734255 - Secret Stage of Area 05.

Unlock Medals
Meet the prescribed achievements to earn a Medal. You'll also get 3 Picrites.

001: First Step - Clear the tutorial.
002: First Journey - Unlock Area 01.
003: New Traveler - Unlock five areas.
004: Super Traveler - Unlock 10 areas.
005: Hyper Traveler - Unlock 20 areas.
006: Master Traveler - Unlock every area.
007: Hall of Fame - Reach the end of the game.
008: First Friend - Catch a Pokémon.
009: Novice Pokemon Trainer - Catch 10 Pokemon.
010: Intermediate Pokemon Trainer - Catch 50 Pokemon.
011: Super Pokemon Trainer - Catch 100 Pokemon.
012: Hyper Pokemon Trainer - Catch 300 Pokemon.
013: Master Pokemon Trainer - Catch all Pokemon.
014: First Trial - Clear a Standard Mode mission.
015: Path of Trials: Just Started - Clear 10 Standard Mode Missions.
016: Path of Trials: Finally Halfway - Clear 600 Standard Mode Missions.
017: Path of Trials: Almost There - Clear 999 Standard Mode Missions.
018: Ruler of the Path of Trials - Clear all Standard Mode Missions.
019: Alt-World Unlocked - Unlock the Alt-World.
020: First Challenge in Alt-World - Clear an Alt-World Mission.
021: Alt-World: Endless Road - Clear 10 Alt-World Missions.
022: Alt-World: Second Half - Clear 600 Alt-World Missions.
023: Alt-World: Final Push - Clear 999 Alt-World Missions.
024: Ruler of Alt-World - Clear all Alt-World Missions.
025: Further Challenge: Four Friends - Clear the Cresselia Puzzle in Alt-World Mode with just 4 Pokemon (Must complete Medal 74 First).
026: Further Challenge: Three Friends - Clear the Kyurem Puzzle in Alt-World Mode with just 3 Pokemon (Must complete Medal 25 First).
027: Further Challenge: Two Friends - Clear the Giratina Puzzle in Alt-World Mode with just 2 Pokemon (Must complete Medal 26 First).
028: Further Challenge: One Friend - Clear the Mewtwo Puzzle in Alt-World Mode with just 1 Pokemon (Must complete Medal 27 First).
029: Further Challenge: Solo - Clear the Arceus Puzzle in Alt-World Mode without Pokemon (Must complete Medal 28 First).
030: New Power - Obtain the Mega Pencil.
031: First Mega Evolution - Mega Evolve the first Pokemon.
032: Novice Mega Evolution Trainer - Mega Evolve 10 Pokemon.
033: Super Mega Evolution Trainer - Mega Evolve 20 Pokemon.
034: Hyper Mega Evolution Trainer - Mega Evolve 30 Pokemon.
035: Master Mega Evolution Trainer - Mega Evolve all possible Pokemon.
036: Code Breaker - Unlock a password.
037:Encounter of the Unknown - Catch a Mythical Pokemon.
038: Novice Mythical Pokemon Trainer - Catch 3 Mythical Pokemon.
039: Super Mythical Pokemon Trainer - Catch 6 Mythical Pokemon.
040: Hyper Mythical Pokemon Trainer - Catch ??? Mythical Pokemon.
041: Master Mythical Pokemon Trainer - Catch every Mythical Pokemon.
042: Training Master - Reach Daily Training Level 10 and clear it.
043: Blue-Force Master - Use the named ability 50 times.
044: Auto-Fix X Master - Use the named ability 50 times.
045: Auto-Fix Master - Use the named ability 50 times.
046: Hyper-Scan Master - Use the named ability 50 times.
047: Slow-Time Master - Use the named ability 50 times.
048: Freeze-Time Master - Use the named ability 50 times.
049: Rising-Reveal Master - Use the named ability 50 times.
050: Slash-Reveal Master - Use the named ability 50 times.
051: Cross-Reveal Master - Use the named ability 50 times.
052: Square-Reveal Master - Use the named ability 50 times.
053: Diamond-Reveal Master - Use the named ability 50 times.
054: Scatter-Reveal Master - Use the named ability 50 times.
055: Filled-Square Fan - Fill 100 squares.
056: Filled Square Ace - Fill 1,000 Squares.
057: Filled-Square Leader - Fill 5,000 squares.
058: Filled-Square Champion - Fill 10,000 squares.
059: Filled-Square Legend - Fill 50,000 squares.
061: Stylus-Control Specialist - Clear a puzzle, start to finish, using the Stylus Control method.
062: Button-Control Specialist - Clear a puzzle using the button-control method from beginning to end.
063: First Step to Primal - Obtain a mural tile.
064: Beginning and End - Obtain all mural tiles.
065: Embodiment of the Land - Clear Primal Groudon's Mural (M01).
066: Embodiment of the Sea - Clear Primal Kyogre's Mural (M02).
067: Apprentice Painter - Expand the Energy Gauge.
068: Dilligent Painter - Expand the Energy Gauge to Level 2.
069: Prolific Painter - Expand the Energy Gauge to Level 3.
070: Master Painter - Expand the Energy Gauge so that it is infinite.
071: Photographer - Take a screenshot.
072: New Manager - Expand the number of open slots for your party.
073: Charismatic Executive - Reach the maximum number of party slots.
074: Pokemon Picross Master - Clear all puzzles in Standard, Alt-World, and Mural Modes.
075: Unlucky - Use a reveal skill and have it fail.
076: First Partners - Catch all of the starter Pokemon from each region (Bulbasaur, Squirtle, Charmander, etc.).
077: Eevee Enthusiast - Catch Eevee, Sylveon, Vaporeon, Flareon, Jolteon, Umbreon, Espeon, Leafeon, and Glaceon.
078: Ceaseless Bonds - Clear a puzzle using these Pokemon: Latios, Latias.
079: Modification Encounters - Clear a puzzle using these Pokemon: Genesect, Mewtwo.
080: Electrifying Cuteness - Clear a puzzle using these Pokemon: Dedenne, Emolga, Pachirisu, Minun, Plusle.
081: False Love - Clear a puzzle using these Pokemon: Luvdisc, Sudowoodo.
082: Clash in the Atmosphere - Clear a puzzle using these Pokemon: Deoxys, Mega Rayquaza.
083: Fairy Bonds - Clear a puzzle using these Pokemon: Mega Diancie, Xerneas.
084: Powerhouse - Clear a puzzle using these Pokemon: Talonflame, Landorus, Garchomp, Mega Kangaskhan.
085: Time Traveler - Clear a puzzle using these Pokemon: Dialga, Celebi.
086: Versatility - Clear a puzzle using these Pokemon: Zoroark, Zorua, Ditto.
087: Purrfect Helpers - Clear a puzzle using these Pokemon: Meowstic, Espurr, Purrloin, Weavile, Meowth.
088: Glee Club - Clear a puzzle using these Pokemon: Meloetta, Altaria, Jigglypuff.
089: Pikachu Fan Club - Clear a puzzle using these Pokemon: Pichu, Raichu, Pikachu.
090: First Tall Grass - Clear a puzzle using these Pokemon: Fletchling, Bidoof, Zigzagoon, Poochyena, Hoothoot.
091: Strange Road Trip - Clear a puzzle using these Pokemon: Slakoth, Marshtomp, Quagsire, Slowbro, Psyduck.
092: Flower Explosion - Clear a puzzle using these Pokemon: Floette, Lilligant, Shaymin, Meganium, Venusaur.
093: Monochrome Pokemon - Clear a puzzle using these Pokemon: Pancham, Zekrom, Reshiram, Blitzle, Unown.
094: Pearl and Oink - Clear a puzzle using these Pokemon: Tepig, Clamperl.
095: Brainiacs - Clear a puzzle using these Pokemon: Uxie, Mesprit, Metagross, Alakazam.
096: Going Bananas - Clear a puzzle using these Pokemon: Pansage, Infernape, Aipom.
097: Foxy Faction - Clear a puzzle using these Pokemon: Delphox, Fennekin, Zoroark, Zorua, Vulpix.
098: Wild Fight - Clear a puzzle using these Pokemon: Chimchar, Piplup.
099: Abnormal Weather - Clear a puzzle using these Pokemon: Abomasnow, Mega Rayquaza, Groudon, Kyogre, Tyranitar.
100: Perfect Medalist - Collect all 99 other medals!