Roblox is not one single game ; it is a platform that hosts many user-made experiences. So there isn’t one “only game” in Roblox.

What that means

  • You can think of Roblox like a giant arcade or app store, not one title.
  • Popular experiences on it change over time, with some becoming major hits for a while.
  • If you meant a specific Roblox game, the most likely well-known one right now is Grow a Garden , which became a surprise hit.

Quick answer

If your question was “which is the only game in Roblox?”, the direct answer is: there isn’t only one.

TL;DR: Roblox has many games, not just one, and one of the biggest recent hits is Grow a Garden.