What is the name of the weird Roblox rivals?

The most likely name is Roblox Rivals. A related community page for it exists on Fandom, and a nickname database also uses “roblox rivals” as the game name.

Quick scoop

If you meant the game people are talking about as the “weird Roblox rivals,” that usually points to Roblox Rivals rather than a separate title. The phrase can also be used informally in forum chatter, so the exact meaning depends on the post or meme you saw.

Why this fits

• “Rivals” is the core name used by community pages and name databases.

• I did not find a reliable source showing a different official game title matching that phrase.

TL;DR

Roblox Rivals is the most probable answer.