Project 5: Sightseer is an open-world, vehicle-based sandbox game from Tasharen Entertainment that combines exploration across diverse biomes with resource management, base construction, and deep RPG elements. The game distinguishes itself with mechanics grounded in real-world science, a persistent world, and a pollution system that impacts gameplay. For more details, visit Project 5: Sightseer on Steam . Project 5: Sightseer on Steam