PRO100KatYT/RovioActivationScript: A collection of ... - GitHub

The activation system for older PC versions of Bad Piggies (v1.5.1)

The is a relic of the era when Rovio Entertainment offered its popular "Angry Birds" spin-off as a paid, standalone download for Windows PCs. Today, finding a "legitimate" key is difficult because the official activation servers have been shut down for years. The History of Bad Piggies PC Activation

Historically, the game would send the entered key and a unique hardware ID to cloud.rovio.com . Since these servers are offline, even a valid, original key will often fail to "handshake" with the server. Community Workarounds

There are a few ways to obtain a Bad Piggies 1.5.1 Activation Key:

While these were shared publicly in the past, their success rate is low due to the server issues mentioned above. Historically, common keys used by the community included: ABCD-EFGH-IJKL-MNOP G0LD-P1G5-PLU5-V151 3. The "Full Version" Workaround