This will detect if you are on TurboWarp. Try it out! Turbowarp.org/1014813057/ \/ Scroll to read how it’s made! \/ Basically, you make a custom block like this: Test <Is TurboWarp?> Then take the <> out. Then delete the main block. Basically, in TurboWarp there is an extension which makes it true. So you set one costume to true, being the 2nd costume, and the first is scratch. Read the code to learn more.