Nationwar: Annals is an indie strategy game developed and published by Yiming, officially released on April 6, 2021. The game was created to provide players with a unique blend of real-time strategy and simulation elements set in the historical context of China's Spring and Autumn Period and the Warring States Period.

In Nationwar: Annals, players choose one of the major or minor countries and utilize various strategies and tactics to conquer others and unify the nation. The game features a large map of China, allowing for intricate planning and resource management across diverse terrains.

The storyline revolves around the player's quest for dominance during a tumultuous era, where they must navigate political intrigue, military conflicts, and economic challenges to achieve unification.

Nationwar: Annals stands out with its comprehensive systems, including government, diplomacy, and military management, allowing players to switch governments, appoint officials, and engage in trade, making each playthrough a unique strategic experience.