Firered and leafgreen both can catch different Pokemon but there pokedex is the same, here is some examples: magmar only in leafgreen not firered, oddish in firered not leafgreen, ekans in firered not leafgreen, bellsprout in leafgreen not firered, pinsir in leafgreen not firered.
lots of Pokemon can be only caught in firered and leafgreen like mewtwo and raikou, suicune, entei, articuno, zapdos, moltres. Plus the kanto starters bulbusaur, squirtle, charmander.
Ruby, sapphire, another emerald or firered and leafgreen. Must have national dex for all games and for firered and leafgreen you need to get the ruby and sapphire and give it to celio on one island.
Pokemon Red was the original Pokemon game on the GameBoy along with Pokemon Blue. Pokemon FireRed is the GameBoy Advance remake that is massively updated. FireRed has all the new Pokemon introduced since Red and Blue along with new mechanics, better balancing and significantly updated graphics.
You cannot "trade" pokemon between Pokemon FireRed and Pokemon Pearl. Instead, pokemon from Pokemon FireRed Version can be transferred to Pokemon Pearl via Pal Park.
you can get Pokemon that are not in the other version
Firered and leafgreen both can catch different Pokemon but there pokedex is the same, here is some examples: magmar only in leafgreen not firered, oddish in firered not leafgreen, ekans in firered not leafgreen, bellsprout in leafgreen not firered, pinsir in leafgreen not firered.
It doesn't matter. The only difference between the two is that certain Pokemon battles with the same person will use different Pokemon.
You can trade between firered, another leafgreen, ruby, sapphire and emerald also Pokemon colosseum and Pokemon xd gale of darkness.
Latias and all other hoenn Pokemon are unable to be captured in both leafgreen and firered to get them you must trade between ruby, sapphire and emerald.
There are certain Pokemon (such as Magmortar and Electivire) exclusive to each game. Other than that, there is no difference. You can't get either Magmortar Or Electivire in the games LG and FR. You mean Magmar and Electibuzz. ~ Pokefan444
You would have to get it from firered or leafgreen the cool about firered and leafgreen is each can purchase the TM Dig at the Celadon City Dept Store then they can trade the TM to Emerald remember to trade between emerald and leafgreen or firered you must use wireless adapters.
Red, Blue, Yellow, Gold, Silver, and Crystal can trade between themselves. Ruby, Sapphire, Emerald, Firered, and Leafgreen can trade between themselves. Games from list 1 cannot connect with list 2.
Leafgreen can only trade between firered, ruby, sapphire, emerald, Pokemon colosseum, Pokemon xd gale of darkness, and migrate with diamond, pearl, platinum, heartgold and soulsilver it cannot trade with the original silver.
No you cannot trade from Game Boy Color And Game boy Advance.
lots of Pokemon can be only caught in firered and leafgreen like mewtwo and raikou, suicune, entei, articuno, zapdos, moltres. Plus the kanto starters bulbusaur, squirtle, charmander.
Crystal cannot trade to Leafgreen because for a couple reasons: One that the game is on a different console and is not compatible with the Gameboy Color, Two since the game had not came out when Crystal was released no program was created to trade between the newer games that would follow Crystal even if the newer games are remakes of the older ones such as Firered and Leafgreen.