I played the 0.13 version and then updated the game to 0.14 and got this issue.
I deleted the save folder from C:\Users\*username*\Saved Games, and it fixed the problem erasing my adventure and fixing the resolution. This shows that 0.14 version is incompatible with 0.13 saved games and configuration, oh well not too bad because I did only beat Brock
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One question: Pokemons that need to be traded to evolve like Graveler to Golem, Machoke to Machap , etc. In this game they need to be traded to someone else or it’s by leveling up?