I built this map that took me a long while and on the first test my screen was zoomed in. I can't zoom it out. Every other game I play is at the correct zoom. My map has this issue on single player and multiplayer. I had just built a different map that didn't have this problem. How do I go about fixing this? I have spent about 4 hours now on self troubleshooting and i'm losing hope!

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looks normal to me. (unless you talk about the white border)
Maybe before you played single player or as observer where you can zoom out further? (not sure in single player)
Or are you confused by remaster graphics? Maybe aspect ratio? You can switch graphics with F5 and widescreen in options.