"Roman Worlds" is not a standalone game. It is a Mod/Expansion Pack.
config.ini file in the Rainbow Engine folder. Find the line StartLevel=. Change it to StartLevel=Roman_Worlds\world1-1.lvl.You won’t find a working one. Instead, you need the level data and a modern engine. mario forever roman worlds download work
This is where it gets tricky. Unlike official games, fan mods often disappear when file-hosting sites shut down. There is no single "Steam Workshop" for Mario Forever. "Roman Worlds" is not a standalone game
Here is how to find a working link for the Roman levels: Crucial: Open the config
Important Note: Since these files are often .exe installers created by fans, your antivirus might flag them as "Unknown Publisher." Only download from sources you trust, and scan the files before running them.