MentionsThey were first mentioned in IDFB inside the Science Museum. They appear on a sign naming the Yoyle City Science Museum above its English translation, as well as being featured on labels of items in the Science Museum. It was also seen above the floor number sign and on the Wall Teleporter instructions.
Some of the hieroglyphs resemble other common symbols, such as a triangular infinity sign, a close square bracket, an upside-down flag four, a hyphen, a Z, a spiral, a 3 with a long tail, a triangle, a 4, and something that looks like a dash connected to a pipe (|).
Yoylese can also be referred to as "Yoyle Writing" or the "Yoyle Language". Currently, they have not been referred to outside of IDFB.
- ↑ According to a page on Battle for Dream Island: Official Character Guide stating "Golf Ball is capable of deciphering the ancient lettering known as Yoylese."
|Locations||Grotato Farm, Science Museum, Yoyle City, Yoyle City Buildings, Yoyle Mountain, Yoyle Tower, Yoyleland|
|Items||Leafy's Map, Yoyleberry, Yoylecake, Yoyleseeds, Yoylestew|
|Others||Yoyle Metal, Yoylese|