Angry Birds Rio Unused Levels Jun 2026

Hidden in every single version of Angry Birds Rio is a level simply called 0_DEV .

The most complete set of unused levels belongs to what fans call the In the game’s final release, the first episode, "Smugglers' Den," opens with a straightforward tutorial. But buried in the files are five alternative first levels labeled Pro_1_1 through Pro_1_5 . angry birds rio unused levels

To access it, modders had to hex-edit the save file. What they found was not a level but a : Hidden in every single version of Angry Birds