If there's a typo, or the code is very old, it will say "Invalid ... Revolution in Roblox? Attack on Titan Revolution is a Roblox experience inspired by the AoT Japanese manga.

Ever since AoT ended, I’ve been looking for more content to fill the void. Finally, I turned to anime-inspired Roblox experiences, with Untitled Attack on Titan being one of my favorites.

Fans anticipated the conclusion of Attack on Titan's final season, but the studio surprised with a third part announcement. Each season of Attack on Titan presented high-quality content ...

and with AoT Revolution codes to redeem for even more fun. We’ve checked our guide and it’s all ready to go with [update 2] Attack on Titan Revolution codes and the Halloween giveaways.