Pokemon Battle Simulator Unity is a fangame. You can play it on all devices such as Windows, Android and even though in controller 🎮. The playing method has been instructed in further post. This game was last update on August 12th 2023. The current version of same is 0.0.2. The creator of this game is Manurocker95. 

It makes use of my Pokémon Let's Go Unity database instead of the regular one and it has:

⪢ The 1 player mode is a PVP against the machine.

⪢ Online functionality: If you want to play with friends online, one will have to play as a server and the other will have to connect to his IP manually as a client. In case you are on the same LAN, Localhost should be enough.

⪢ Gen 1-8 mechanics, all Pokémon and items from gen 1 to 8 with support for single, double and triple battles.

⪢ Multi-language support.

⪢ Compatibility with all platforms (or should be).

⪢ Support for all the controllers you want to connect, either by Bluetooth or serial cable.

Beautiful menus

SNAPSHOTS