Pokémon FireRed & LeafGreen: Just started — no badges

What opens up at this point in the game, and everything you can catch by now that you couldn't before.

Now usable

• Grass
• Static encounter
• Gift egg
• In-game trade
• Gift
• Poké Flute
• Gift (with the Dome Fossil)
• Gift (with the Helix Fossil)
• Gift (with the Old Amber)
• Roaming (land) (chose Bulbasaur)
• Roaming (land) (chose Charmander)
• Roaming (land) (chose Squirtle)

Newly reachable

Newly catchable (136)

AbraAerodactylAipomArbokArticunoBellsproutBulbasaurCaterpieChanseyCharmanderClefairyCuboneDelibirdDeoxysDewgongDiglettDittoDoduoDrowzeeDugtrioDunsparceEeveeEkansElectabuzzElectrodeEnteiExeggcuteFarfetch’dFearowGastlyGeodudeGloomGolbatGolduckGrimerGrowlitheHaunterHeracrossHitmonchanHitmonleeHo-OhHoppipHoundourHypnoJigglypuffJynxKabutoKadabraKakunaKangaskhanKoffingLaprasLarvitarLedybaLickitungLugiaMachokeMachopMagikarpMagmarMagnemiteMagnetonMankeyMareepMarillMarowakMeowthMetapodMewtwoMisdreavusMoltresMr. MimeMukMurkrowNatuNidoran♀Nidoran♂NidorinaNidorinoOddishOmanyteOnixParasParasectPersianPhanpyPidgeottoPidgeyPikachuPinecoPinsirPonytaPorygonPrimeapePsyduckRaikouRapidashRaticateRattataRhyhornSandshrewSandslashScytherSeelSentretShuckleSkarmorySlowbroSlowpokeSlugmaSmeargleSneaselSnorlaxSpearowSpinarakSquirtleStantlerSuicuneSwinubTangelaTaurosTeddiursaTogepiUnownVenomothVenonatVoltorbVulpixWeedleWeepinbellWeezingWobbuffetWooperYanmaZapdosZubat

TMs you can now pick up

• TM01 Focus Punch — Silph Co. — 5F
• TM05 Roar — Route 4
• TM08 Bulk Up — Silph Co. — 7F
• TM09 Bullet Seed — Mt. Moon — 1F
• TM10 Hidden Power — Location not compiled for this game yet
• TM11 Sunny Day — Safari Zone — East
• TM12 Taunt — Rocket Hideout — B2F
• TM13 Ice Beam — Location not compiled for this game yet
• TM14 Blizzard — Pokémon Mansion — B1F
• TM15 Hyper Beam — Location not compiled for this game yet
• TM16 Light Screen — Location not compiled for this game yet
• TM17 Protect — Power Plant
• TM18 Rain Dance — Route 15
• TM20 Safeguard — Location not compiled for this game yet
• TM21 Frustration — Rocket Hideout — B3F
• TM22 Solar Beam — Pokémon Mansion — B1F
• TM23 Iron Tail — Location not compiled for this game yet
• TM24 Thunderbolt — Location not compiled for this game yet
• TM25 Thunder — Power Plant
• TM27 Return — Route 12 — North Entrance 2F
• TM28 Dig — Cerulean City
• TM29 Psychic — Saffron City — Mr. Psychic's House
• TM30 Shadow Ball — Location not compiled for this game yet
• TM31 Brick Break — S.S. Anne — 1F Room 2
• TM32 Double Team — Safari Zone — West
• TM33 Reflect — Location not compiled for this game yet
• TM35 Flamethrower — Location not compiled for this game yet
• TM36 Sludge Bomb — Rocket Warehouse
• TM40 Aerial Ace — Route 9
• TM41 Torment — Silph Co. — 4F
• TM42 Facade — Memorial Pillar
• TM43 Secret Power — Route 25
• TM44 Rest — S.S. Anne — B1F Room 2
• TM45 Attract — Route 24
• TM46 Thief — Mt. Moon — B2F
• TM47 Steel Wing — Safari Zone — North
• TM48 Skill Swap — Route 12
• TM49 Snatch — Rocket Hideout — B4F
• HM01 Cut — S.S. Anne — Captain's Office
• HM02 Fly — Route 16 — House
• HM03 Surf — Safari Zone — Secret House
• HM04 Strength — Fuchsia City — Warden's House
• HM05 Flash — Route 2 — East Building
• HM06 Rock Smash — Ember Spa — Kindle Road
• HM07 Waterfall — Icefall Cave — 1F
• HM08 Dive — Location not compiled for this game yet

Bosses around here