
About
Defend a living city from aerial threats by strategically deploying air defense systems, managing resources, and rebuilding damaged areas. Adapt your strategy with time controls and dynamic environmental conditions for a unique challenge each game.
What's New in PPO
1.4
October 24, 2026
Power Grid and AI Turrets • Power plants supply the city. Protect them from strikes and use five levels of generators to keep homes powered during blackouts. • Deploy the new AI turret, an automatic heavy machine gun with radar and camera targeting by day and night. • Find your mode more easily, learn with an optional tutorial, and manage the city through new budget tabs and clearer placement guides. • More natural city traffic, working traffic lights and priority for emergency vehicles on a call. • Updated fires, wind-driven smoke and night lighting; graphics quality and automatic-pause options. • Improvements to shadows, fullscreen controls and help.
MoreUser reviews
Developer apps
FAQ
What is PPO: Defend Your City?
PPO: Defend Your City is a strategy game where players protect a city from aerial attacks. You deploy defenses, manage resources, and rebuild neighborhoods to ensure the city's survival.
How do I play PPO: Defend Your City?
You play by strategically deploying various air defense units like machine-gun crews and missile systems. You'll also need to manage the city's budget for defense, supplies, and repairs while repelling attacks.
Can I pause the game in PPO: Defend Your City?
Yes, PPO: Defend Your City allows you to pause time to assess the situation and plan your next moves. You can also speed through quiet moments.
Is PPO: Defend Your City free to play?
Yes, PPO: Defend Your City is available for free. There are no in-app purchases or advertisements mentioned in the app data.
What devices can I play PPO: Defend Your City on?
PPO: Defend Your City is available on Mac, iPhone, and iPad. It offers touch controls for mobile devices and mouse/trackpad support for Mac.
Does PPO: Defend Your City have ads?
No, PPO: Defend Your City does not contain advertisements. The app data indicates it is free and does not have ads.
How often is PPO: Defend Your City updated?
The latest version of PPO: Defend Your City is 1.4, which was last updated on October 24, 2026. This suggests a relatively active development cycle.
What is the age rating for PPO: Defend Your City?
PPO: Defend Your City has an age rating of 12+. This indicates it is suitable for players aged 12 and older.




