Here's the layout of the room

Sorry about the weird room plan, the site I was using was making things difficult.

I'm looking to make my house's spare room into a game room, which will include DnD and Warhammer 40k for my husband. I've accounted for the door, windows and the measurements of the table we already have. Also in the room is a small closet and a ceiling fan. The ceilings are 7ft 2in high.

I need help planning furniture, decor, paint colors and various other things. I have a big group (7 people not including my husband and I) that I may have to cut down in order to actually play in this room if they all make it which generally they do, which I know is a blessing.

I'm going for a general tavern esque theme, I don't really have a set budget per se' but I'm not loaded and would prefer to DIY and save money as much as possible.

We'll be starting with new flooring, removing carpet and putting peel and stick tiles since we just did that in another room and it's working pretty well thus far.

But if anything has any suggestions, tutorials, tips or tricks for this sort of product I would greatly appreciate it. Thank you!

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Edit: Screwed up the door placement on the original pic, fixed now