Pokémon Insurgence is designed for 4:3 aspect ratio (like older Pokémon games). Fullscreen will stretch or letterbox on widescreen monitors. For true fullscreen with no stretching, change your desktop resolution to 640×480 or 800×600 before launching the game.
If this does not work, try pressing F4 or F5 . Different versions of the RPG Maker engine utilize different Function keys for display toggling. how to full screen pokemon insurgence
If you are playing on a modern Windows 10 or 11 PC and the game refuses to go full screen, you can force it through Windows properties. Pokémon Insurgence is designed for 4:3 aspect ratio
Unfortunately, because the game is built on older engine architecture, there is no native "widescreen patch" that adds extra content to the sides of the screen. To fix the stretching: how to full screen pokemon insurgence