All Project Slayers Codes in Roblox (September 2025) [Update 1.5] Get ready to slay with the latest codes!

Looking for all the latest Slayer Online codes? You can use them to get some free rewards and unlocks, plus gold!

4th September 2025: We added new Slayer Online codes. Slayer Online is a Roblox RPG inspired by Demon Slayer. In this game, you’ll choose between being a demon or demon slayer, spin to build the ...