1. Pokémon Online is the most up to date pokémon battle simulator around the block.

  2. Pokemon Showdown is a 2D, Fighting, Single and Multiplayer video game.

  3. Monster MMORPG: Free Pokemon Online MMO RPG Game.

  4. Bulu Monster allows the user to become a monster trainer on Bulu Island.

  5. An open source Pokemon clone, with monster fights

  6. Pokemon World Online - Free Pokemon MMORPG.

  7. Completely open source monster fighting RPG - capture and battle monsters against others!

  8. Lovable monsters are out there! Walk into the meadow and catch 'em all!

  9. Embark on a journey through the world of Zenith.

  10. PokeMMO is an Amazing, Action-Adventure, Massively Multiplayer Online, Role-playing and Puzzle video game that provides with the same mechanics and gameplay as Pokemon.