To submit a map for my game Spleef you need to do this:
First get this model: https://www.roblox.com/library/5766828482/Spleef-map-template
Inside the model you will see a script called: “Read me”, inside you will see instructions on what you need to know.
When you are done creating a map, you can message me on the devforum or on roblox.
I will inspect the map and see if it is good.
If it gets accepted, when the map is chosen, it will say: “Map name by: Your name”