How to evolve every Pokémon in Pokémon FireRed Reignited & LeafGreen Regrown

172 species with a recorded evolution method, taken from Pokémon FireRed Reignited & LeafGreen Regrown's own documentation.

Trade evolutions (8)

These are the evolutions in this guide's data that mention trading.

• Poliwhirl — Evolves into Politoed when traded holding King’s Rock
• Slowpoke — Evolves into Slowking when traded holding King’s Rock
• Onix — Evolves into Steelix when traded holding Metal Coat
• Seadra — Evolves into Kingdra when traded holding Dragon Scale
• Scyther — Evolves into Scizor when traded holding Metal Coat
• Porygon — Evolves into Porygon2 when traded holding Up-Grade
• Clamperl — Evolves into Huntail when traded holding Deep Sea Tooth
• Clamperl — Evolves into Gorebyss when traded holding Deep Sea Scale

Every evolution method (172)

	Pokémon	Evolves
	Bulbasaur	Evolves into Ivysaur at Level 16
	Ivysaur	Evolves into Venusaur at Level 32
	Charmander	Evolves into Charmeleon at Level 14
	Charmeleon	Evolves into Charizard at Level 36
	Squirtle	Evolves into Wartortle at Level 16
	Wartortle	Evolves into Blastoise at Level 36
	Caterpie	Evolves into Metapod at Level 7
	Metapod	Evolves into Butterfree at Level 10
	Weedle	Evolves into Kakuna at Level 7
	Kakuna	Evolves into Beedrill at Level 10
	Pidgey	Evolves into Pidgeotto at Level 16
	Pidgeotto	Evolves into Pidgeot at Level 36
	Rattata	Evolves into Raticate at Level 20
	Spearow	Evolves into Fearow at Level 20
	Ekans	Evolves into Arbok at Level 22
	Pikachu	Evolves into Raichu with Thunder Stone
	Sandshrew	Evolves into Sandslash at Level 22
	Nidoran♀	Evolves into Nidorina at Level 16
	Nidorina	Evolves into Nidoqueen with Moon Stone
	Nidoran♂	Evolves into Nidorino at Level 16
	Nidorino	Evolves into Nidoking with Moon Stone
	Clefairy	Evolves into Clefable with Moon Stone
	Vulpix	Evolves into Ninetales with Fire Stone
	Jigglypuff	Evolves into Wigglytuff with Moon Stone
	Zubat	Evolves into Golbat at Level 21
	Golbat	Evolves into Crobat with high friendship
	Oddish	Evolves into Gloom at Level 21
	Gloom	Evolves into Vileplume with Leaf Stone Evolves into Bellossom with Sun Stone
	Paras	Evolves into Parasect at Level 24
	Venonat	Evolves into Venomoth at Level 31
	Diglett	Evolves into Dugtrio at Level 26
	Meowth	Evolves into Persian at Level 28
	Psyduck	Evolves into Golduck at Level 33
	Mankey	Evolves into Primeape at Level 28
	Growlithe	Evolves into Arcanine with Fire Stone
	Poliwag	Evolves into Poliwhirl at Level 18
	Poliwhirl	Evolves into Poliwrath with Water Stone Evolves into Politoed when traded holding King’s Rock Evolves into Politoed with King’s Rock
	Abra	Evolves into Kadabra at Level 16
	Kadabra	Evolves into Alakazam at Level 42
	Machop	Evolves into Machoke at Level 28
	Machoke	Evolves into Machamp at Level 38
	Bellsprout	Evolves into Weepinbell at Level 21
	Weepinbell	Evolves into Victreebel with Leaf Stone
	Tentacool	Evolves into Tentacruel at Level 30
	Geodude	Evolves into Graveler at Level 25
	Graveler	Evolves into Golem at Level 38
	Ponyta	Evolves into Rapidash at Level 36
	Slowpoke	Evolves into Slowbro at Level 35 Evolves into Slowking when traded holding King’s Rock Evolves into Slowking with King’s Rock
	Magnemite	Evolves into Magneton at Level 30
	Doduo	Evolves into Dodrio at Level 31
	Seel	Evolves into Dewgong at Level 34
	Grimer	Evolves into Muk at Level 35
	Shellder	Evolves into Cloyster with Water Stone
	Gastly	Evolves into Haunter at Level 25
	Haunter	Evolves into Gengar at Level 42
	Onix	Evolves into Steelix when traded holding Metal Coat Evolves into Steelix with Metal Coat
	Drowzee	Evolves into Hypno at Level 26
	Krabby	Evolves into Kingler at Level 28
	Voltorb	Evolves into Electrode at Level 30
	Exeggcute	Evolves into Exeggutor with Leaf Stone
	Cubone	Evolves into Marowak at Level 28
	Koffing	Evolves into Weezing at Level 35
	Rhyhorn	Evolves into Rhydon at Level 42
	Chansey	Evolves into Blissey with high friendship
	Horsea	Evolves into Seadra at Level 32
	Seadra	Evolves into Kingdra when traded holding Dragon Scale Evolves into Kingdra with Dragon Scale
	Goldeen	Evolves into Seaking at Level 28
	Staryu	Evolves into Starmie with Water Stone
	Scyther	Evolves into Scizor when traded holding Metal Coat Evolves into Scizor with Metal Coat
	Magikarp	Evolves into Gyarados at Level 20
	Eevee	Evolves into Jolteon with Thunder Stone Evolves into Vaporeon with Water Stone Evolves into Flareon with Fire Stone Evolves into Espeon with Sun Stone Evolves into Umbreon with Moon Stone
	Porygon	Evolves into Porygon2 when traded holding Up-Grade Evolves into Porygon2 with Up-Grade
	Omanyte	Evolves into Omastar at Level 40
	Kabuto	Evolves into Kabutops at Level 40
	Dratini	Evolves into Dragonair at Level 30
	Dragonair	Evolves into Dragonite at Level 50
	Chikorita	Evolves into Bayleef at Level 16
	Bayleef	Evolves into Meganium at Level 32
	Cyndaquil	Evolves into Quilava at Level 14
	Quilava	Evolves into Typhlosion at Level 36
	Totodile	Evolves into Croconaw at Level 18
	Croconaw	Evolves into Feraligatr at Level 30
	Sentret	Evolves into Furret at Level 15
	Hoothoot	Evolves into Noctowl at Level 20
	Ledyba	Evolves into Ledian at Level 18
	Spinarak	Evolves into Ariados at Level 16
	Chinchou	Evolves into Lanturn at Level 27
	Pichu	Evolves into Pikachu friendship baby
	Cleffa	Evolves into Clefairy friendship baby
	Igglybuff	Evolves into Jigglypuff friendship baby
	Togepi	Evolves into Togetic friendship baby
	Natu	Evolves into Xatu at Level 25
	Mareep	Evolves into Flaaffy at Level 15
	Flaaffy	Evolves into Ampharos at Level 30
	Marill	Evolves into Azumarill at Level 18
	Hoppip	Evolves into Skiploom at Level 18
	Skiploom	Evolves into Jumpluff at Level 27
	Sunkern	Evolves into Sunflora with Sun Stone
	Wooper	Evolves into Quagsire at Level 20
	Pineco	Evolves into Forretress at Level 25
	Snubbull	Evolves into Granbull at Level 23
	Teddiursa	Evolves into Ursaring at Level 30
	Slugma	Evolves into Magcargo at Level 27
	Swinub	Evolves into Piloswine at Level 33
	Remoraid	Evolves into Octillery at Level 25
	Houndour	Evolves into Houndoom at Level 24
	Phanpy	Evolves into Donphan at Level 25
	Tyrogue	Evolves into Hitmonchan at Level 20 with Attack below Defense Evolves into Hitmonlee at Level 20 with Attack above Defense Evolves into Hitmontop at Level 20 with Attack equal to Defense Evolves into Hitmontop with Brick Piece
	Smoochum	Evolves into Jynx at Level 30
	Elekid	Evolves into Electabuzz at Level 30
	Magby	Evolves into Magmar at Level 30
	Larvitar	Evolves into Pupitar at Level 30
	Pupitar	Evolves into Tyranitar at Level 55
	Treecko	Evolves into Grovyle at Level 16
	Grovyle	Evolves into Sceptile at Level 36
	Torchic	Evolves into Combusken at Level 16
	Combusken	Evolves into Blaziken at Level 36
	Mudkip	Evolves into Marshtomp at Level 16
	Marshtomp	Evolves into Swampert at Level 36
	Poochyena	Evolves into Mightyena at Level 18
	Zigzagoon	Evolves into Linoone at Level 20
	Wurmple	Evolves into Silcoon at Level 7 (Silcoon personality) Evolves into Cascoon at Level 7 (Cascoon personality)
	Silcoon	Evolves into Beautifly at Level 10
	Cascoon	Evolves into Dustox at Level 10
	Lotad	Evolves into Lombre at Level 14
	Lombre	Evolves into Ludicolo with Water Stone
	Seedot	Evolves into Nuzleaf at Level 14
	Nuzleaf	Evolves into Shiftry with Leaf Stone
	Taillow	Evolves into Swellow at Level 22
	Wingull	Evolves into Pelipper at Level 25
	Ralts	Evolves into Kirlia at Level 16
	Kirlia	Evolves into Gardevoir at Level 30
	Surskit	Evolves into Masquerain at Level 22
	Shroomish	Evolves into Breloom at Level 23
	Slakoth	Evolves into Vigoroth at Level 18
	Vigoroth	Evolves into Slaking at Level 36
	Nincada	Evolves into Ninjask at Level 20 Evolves into Shedinja at Level 20, with a spare party slot and a Poké Ball
	Whismur	Evolves into Loudred at Level 20
	Loudred	Evolves into Exploud at Level 40
	Makuhita	Evolves into Hariyama at Level 24
	Azurill	Evolves into Marill friendship baby
	Skitty	Evolves into Delcatty with Moon Stone
	Aron	Evolves into Lairon at Level 28
	Lairon	Evolves into Aggron at Level 42
	Meditite	Evolves into Medicham at Level 33
	Electrike	Evolves into Manectric at Level 26
	Gulpin	Evolves into Swalot at Level 26
	Carvanha	Evolves into Sharpedo at Level 30
	Wailmer	Evolves into Wailord at Level 40
	Numel	Evolves into Camerupt at Level 33
	Spoink	Evolves into Grumpig at Level 32
	Trapinch	Evolves into Vibrava at Level 32
	Vibrava	Evolves into Flygon at Level 42
	Cacnea	Evolves into Cacturne at Level 32
	Swablu	Evolves into Altaria at Level 35
	Barboach	Evolves into Whiscash at Level 30
	Corphish	Evolves into Crawdaunt at Level 30
	Baltoy	Evolves into Claydol at Level 36
	Lileep	Evolves into Cradily at Level 40
	Anorith	Evolves into Armaldo at Level 40
	Feebas	Evolves into Milotic at maximum Beauty Evolves into Milotic with Prism Scale
	Shuppet	Evolves into Banette at Level 37
	Duskull	Evolves into Dusclops at Level 37
	Wynaut	Evolves into Wobbuffet at Level 15
	Snorunt	Evolves into Glalie at Level 36
	Spheal	Evolves into Sealeo at Level 32
	Sealeo	Evolves into Walrein at Level 44
	Clamperl	Evolves into Huntail when traded holding Deep Sea Tooth Evolves into Gorebyss when traded holding Deep Sea Scale Evolves into Huntail with Deep Sea Tooth Evolves into Gorebyss with Deep Sea Scale
	Bagon	Evolves into Shelgon at Level 30
	Shelgon	Evolves into Salamence at Level 50
	Beldum	Evolves into Metang at Level 20
	Metang	Evolves into Metagross at Level 45

No evolution line recorded (214)

Either these don't evolve, or this hack's documentation never said how. The guide won't guess.