no longer work because Rovio permanently shut down the activation servers
If you strictly prefer playing on a desktop or laptop, you can legally run the official mobile version of Bad Piggies on Windows or macOS using a trusted Android emulator.
I can provide step-by-step instructions to get the game running safely on your specific device. Share public link
Open the Google Play Store, search for Bad Piggies, and install it. Summary of Safe Options Key Required? Android Google Play Store iOS Apple App Store Windows PC Android Emulator Mac Android Emulator
Because the official servers no longer exist, the community has developed methods to bypass the activation screen for archival purposes: Activation Scripts: Community-made tools, such as the Rovio Activation Script on GitHub