You can do a addon that if you want, can use the "base" of the gmdoom (because him don't need nodegraph and navmesh and i love it :3), can you do Metal Slug Npcs?, If yes, the name can be......idk, im not good with names uuuuuuh, gmMetalSlug or gmSlug?, idk, you can do this? (Pls if you can do, do pls :3, i want so much to fight with the types of enemies in metal slug on gmod!!! >:3