Because these billboards are just monitors rotated 90 degrees, they’re invisible to polarized sunglasses. It’s like a real-life ad blocker!

A recreation of the Heroes of Might and Magic II game engine. This open source multiplatform project, written from scratch, is designed to reproduce the original game with significant improvements in gameplay, graphics and logic (including support for high-resolution graphics, improved AI, numerous fixes and user interface improvements), breathing new life into one of the most addictive turn-based strategy games.