Quick answer
The main Pokémon Red and Blue differences are the version-exclusive Pokémon: 11 species (counting evolutions) can only be caught in Red and 11 only in Blue. A few Game Corner prizes and the box art mascot also differ. The story, gyms and map are identical, so you had to trade to catch all 151.
Version-exclusive Pokémon
| Pokémon Red only | Pokémon Blue only |
|---|---|
| Ekans → Arbok | Sandshrew → Sandslash |
| Oddish → Gloom → Vileplume | Vulpix → Ninetales |
| Mankey → Primeape | Meowth → Persian |
| Growlithe → Arcanine | Bellsprout → Weepinbell → Victreebel |
| Scyther | Pinsir |
| Electabuzz | Magmar |
Game Corner prize differences
The Celadon City Game Corner lets you trade coins for Pokémon. Both versions offer Abra, Clefairy, Dratini and Porygon, but Red offers Nidorina and Scyther, while Blue offers Nidorino and Pinsir.
Everything else that differs
| Feature | Red | Blue |
|---|---|---|
| Box art mascot | Charizard | Blastoise |
| Title screen | Red logo and Charmander | Blue logo and Squirtle |
| Some wild encounter rates | Slightly different | Slightly different |
| Story, gyms and map | Same | Same |
Mew, the 151st Pokémon, could not be caught in normal play in either version. It was officially distributed at events.
Why were there two versions?
Two versions encouraged trading with friends using a Game Link Cable, which turned "Gotta catch 'em all" into a social game. In Japan, the original pair released in 1996 was Red and Green, followed by a Blue version later that year. The North American Red and Blue, released in 1998, were based on that later Japanese Blue.
What about Pokémon Yellow?
Pokémon Yellow (North America, October 1999) followed the cartoon more closely: you start with a Pikachu that follows you around, and you can get all three original starters. See the full timeline in when did Pokémon come out in the US.
Which version should you play today?
Pick your favorite exclusives
Arcanine and Scyther fans: Red. Ninetales and Pinsir fans: Blue.
Check the save battery
Original cartridges use an internal battery for saves; old batteries may need replacing.
Watch out for fakes
Reproduction cartridges are common; check labels and board markings before buying.
Collecting the cards too? Learn how to tell if Pokémon cards are 1st edition. More consoles: 90s video game consoles.
Best version exclusives to pick
| If you want… | Pick | Why |
|---|---|---|
| A strong Fire type | Red | Growlithe/Arcanine |
| A great Bug type | Red | Scyther |
| A Fire fox | Blue | Vulpix/Ninetales |
| A tough Bug | Blue | Pinsir |
| A Pay Day user | Blue | Meowth |
How to trade between versions today
Original hardware
Two Game Boys and a Game Link Cable.
Check save batteries
Old cartridges may lose saves if the internal battery is dead.
Official re-releases
Digital re-releases of the original games have supported trading on newer handhelds.
Why version exclusives were a stroke of genius
Splitting the original 151 Pokémon between two versions was one of the smartest design decisions in gaming history. It meant that no single player could complete the Pokédex alone. To "catch 'em all", you had to find a friend with the other version, connect your Game Boys with a link cable and trade. Pokémon became a social game played in school hallways, on buses and at sleepovers.
The idea also encouraged friendly rivalry. Kids debated which version was better and which exclusives were worth having. Choosing Red or Blue became part of your identity, much like choosing a starter Pokémon.
The link cable era
Trading required a physical Game Link Cable connecting two Game Boys. Players sat side by side, entered the trading room at a Pokémon Center and swapped creatures. The cable also enabled battles, letting friends pit their teams against each other. Owning a link cable made you popular, and losing one could end a friendship for a week.
Trade evolutions
Some Pokémon only evolve when traded, which made trading even more important. Kadabra, Machoke, Graveler and Haunter evolve into their final forms only after being traded to another game. Many players traded these Pokémon to a friend and then traded them back, a ritual built on trust.
Glitches and playground legends
The original games were famous for glitches and rumors. Stories spread about secret ways to find Mew, hidden areas and mysterious Pokémon. Most rumors were false, but a few real glitches let players duplicate items or encounter strange creatures. These legends became part of the shared culture of 1998 and 1999.
Replaying Red and Blue today
Playing the original games today is a fun mix of nostalgia and challenge. The graphics are simple and some mechanics feel unbalanced compared to modern games, but the core loop of exploring, catching and battling still works. Many adults replay them as a nostalgia trip or as a challenge run with special rules.
Conclusion
Pokémon Red and Blue are nearly identical except for their exclusive Pokémon and a few prizes. Choose the version with your favorite exclusives, then trade to complete the original 151.
Frequently asked questions
What is the difference between Pokémon Red and Blue?
The main difference is which Pokémon you can catch: each version has 11 exclusive Pokémon (including evolutions) that cannot be caught in the other, plus some different Game Corner prizes. The story, map and gameplay are the same.
Which Pokémon are only in Pokémon Red?
Pokémon Red exclusives are Ekans, Arbok, Oddish, Gloom, Vileplume, Mankey, Primeape, Growlithe, Arcanine, Scyther and Electabuzz.
Which Pokémon are only in Pokémon Blue?
Pokémon Blue exclusives are Sandshrew, Sandslash, Vulpix, Ninetales, Meowth, Persian, Bellsprout, Weepinbell, Victreebel, Magmar and Pinsir.
Is Pokémon Red or Blue better?
Neither is better. Pick based on which exclusives you prefer; Red has Growlithe/Arcanine and Scyther, while Blue has Vulpix/Ninetales and Pinsir.
When did Pokémon Red and Blue come out?
Pokémon Red and Blue were released in North America in September 1998 for the Game Boy. Japan received Red and Green in 1996.
Can you catch all 151 Pokémon in one version?
No. You need to trade with the other version for its exclusives, and Mew required an official event.
Sources and further reading
- Wikipedia: Pokémon Red, Blue, and Yellow (opens in a new tab)
- Official Pokémon site (opens in a new tab)
Dates and facts were checked against these references. Release dates can vary by region; we use North American dates unless noted. Spotted an error? Tell us.