Sooner or later they're gonna be flying around using jets, and not always have Weapon damage on.
We've been doing that for a loooooooong time.
...The forget?
Eric Hartman made Slate. Someone liked the map and ported it to ROBLOX. That's all.
It wasn't ported to ROBLOX.
All you have to do is make a brick, make it thin, stretch it out, add the skybox, and you're done.
Also, You can easily find a skybox like that anywhere.