Start Project Butterfly on Roblox. Notice the many icons at the top of the screen. Select the cogwheel icon, which is next to the question mark. A "Promo Codes" section can be seen in the Settings ...

Roblox apparently has done this for some desktop users via its icons. As you’ll see in the tweet below, the game has changed the icons for the player and studio programs.

Project Egoist active codes for May 2025 provide in-game Yen for purchasing Styles and cosmetics. To redeem codes, players must join the official Roblox group and enter the codes in the game.