Itch.io link: https://unlisted-creator.itch.io/shooter-tech-demo-tech-290255
Generated spawn points for ammo, potions and enemies
That is, more or less the gist of what I've done that's somewhat unique I think
I opt'd for a regular sized arena with small amounts of cover scattered about
I used one texture asset for this build: https://assetstore.unity.com/packages/2d/textures-materials/floors/hand-painted-stone-texture-73949
the GDES can be found on this site.