2013 Simulator (or formerly called as "Untitled Old Roblox Simulator") is a Roblox game made by Robloxandtyler.

Info

This game is a remake of the Roblox client as it was in 2013, but playable in Roblox.

The game has a map with 3 main areas, being Crossroads, a city area and an island are. the last 2 were likely made by Robloxandtyler himself.

It is a fighting game, with every player spawning with 7 tools;

Bomb
Forcefield tool
Rocket launcher
Slingshot
Bouncy ball
Sword
Click to teleport

Some time between September and November 2019, Robloxandtyler discontinued this project, and started working with GuestIsJustBest to create RETROBLOX.^[1]

Trivia

This game existed before RETROBLOX.
The game is open source meaning people can use the 2013 client remake.

References

↑ https://web.archive.org/web/20190908222234/https://www.roblox.com/games/2076278187/2013-Simulator