How long does it take to make a Roblox game?

From a blank place

An honest answer for a first game from nothing: a weekend per system, and a small game needs four or five systems. Map, movement, the core loop, saving, UI. That is roughly a month of evenings for something your friends can actually play, assuming you keep going — and most beginners don't, because nothing runs for the first few weeks.

Anyone who tells you a real game takes ten minutes from a blank Studio is selling something. What takes ten minutes is something else: skipping the from-nothing part entirely.

Where the time actually goes

The map is fast. You drag parts around and it already looks like a place. What eats the month is the rest: the round system that restarts cleanly, the money that saves when a player leaves, the shop that gives you what you paid for, the UI that doesn't overlap on a phone. None of it is visible in a screenshot, and all of it is scripting.

From a kit: tonight

Starting from a finished kit changes the order of events. The systems already exist and already run, so you press Play in the first ten minutes instead of the first month. From there you are changing a working game, one sentence at a time — and a change lands in seconds, checked before it reaches your place.

So the honest timeline: from nothing, about a month of evenings before anyone plays it. From a kit, your game runs tonight and gets better every evening after.

What still takes time

The ideas and the taste. Deciding what your version is, watching a friend play it, seeing what confuses them, fixing that. No tool does that part for you, and that is the good part — it is the part that makes it yours.