OpenTTD
OpenTTD is an open-source transport management game for macOS where you build rail, road, air, and sea networks to move passengers and cargo.
What is OpenTTD?
OpenTTD is a transport management simulation game for macOS focused on building and running efficient cargo and passenger networks. Players design railways, roads, shipping routes, and airports, then manage vehicles, stations, and routes as towns and industries grow over time. It is well suited to players who enjoy strategy, logistics, city growth, and sandbox-style planning. The game supports both solo play and multiplayer sessions, and it includes tools for customizing maps, scenarios, and game settings. OpenTTD also supports community-made content such as graphics, vehicles, industries, and gameplay extensions, giving long-term players many ways to expand or tailor the experience. Published for distribution by OpenTTD Distribution Ltd, it is available for macOS as a native desktop game download.
Key features
- Build and manage rail, road, ship, and aircraft transport networks
- Carry passengers, mail, and industrial cargo between towns and industries
- Play single-player games or join multiplayer matches
- Generate random maps or play custom scenarios
- Customize gameplay with community-made content and add-ons
- Pause, plan, and refine complex route layouts over long campaigns
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Safety overview
Status: Safe
OpenTTD is a legitimate desktop game. Its normal activity is limited to running the game, storing saves and settings, and downloading optional game content or joining multiplayer servers if you choose to use those features. Network access is expected for online play and content downloads. If you remove the app, your game itself stops working, and you may also want to keep save files if you plan to reinstall later.
Recommendation: Keep OpenTTD if you play it or want to keep your saved games and custom content available on this Mac. If you no longer use it, you can remove the app; just back up any saves or downloaded content you want to keep first.
Common paths
/Applications/OpenTTD.app
Cache paths
~/Library/Caches/org.openttd.openttd
Support paths
~/Documents/OpenTTD~/Library/Application Support/OpenTTD
Preference paths
~/Library/Preferences/org.openttd.openttd.plist
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