New Fan Game Introduces Over 300 Eeveelutions

Pokémon Oops! All Eevees reimagines the classic FireRed experience with an overwhelming number of new Eevee evolutions.

Oct 30, 2026
Game News
New Fan Game Introduces Over 300 Eeveelutions

Fans of the Pokémon Eevee have long wished for more evolutions, and a new fan game called Pokémon Oops! All Eevees aims to fulfill that desire by introducing a staggering 326 new Eeveelutions.

Developed by user 999999999, this fan-made title replaces every monster in the original Pokémon FireRed with a unique Eeveelution. The game doesn't just add variations on existing types; it introduces entirely new concepts, such as a ghost-type Eevee named Fanteon, a flying-type Aeraerieon, and a fighting-type Aercampeon. Some of these new forms even feature their own distinct evolution lines.

Beyond the sheer volume of new Pokémon, Oops! All Eevees enhances the gameplay experience. All existing Eeveelutions are given expanded movesets, and the game includes generous amounts of Rare Candies to expedite progression. A new endgame challenges players' knowledge of Eevee, and there are even trainer outfits that allow players to emulate their favorite Eeveelutions, complete with an in-game mechanic for self-evolution.

The developer plans to release an update on November 21, coinciding with Eevee Day in Japan, which will add more Pokédex entries and overworld sprites. Hints of secret Eevees and a mysterious "Eevee god" that embodies all elemental types suggest further surprises within the game.

Initial reactions from the community have been highly positive, with players expressing excitement over the extensive roster of new evolutions. The game is available for download on the PokéCommunity forums.

Sources