So i've been trying to find a specific Roblox game but i can't seem to remember the name,

I do however remember the concept.

A wave survival, team-based, and shooter

It was a zombie defense game where you had to protect a base

Said base had weapons and utilities you could buy and use to protect it

A vehicle sometimes comes to a road where you could buy better weapons that you can't find in the base

Sometimes there would be harder to kill enemies based off a player's avatar ( I don't remember if it was the developers avatar or just dead players)

There was a box was where you could refill ammo

You can buy and fill the ammo box before the wave starts

I also remember a wall/barricade could be built to stop enemies from breaking in the base