Freeware games/Simulation
| Simulation |
| Screenshot | Title | Platforms | Description | Download | |
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Diaspora: Shattered Armistice | Windows | The best Battlestar Galactica game right now is also one that you can get for free. It's half the same game as Freespace SCP - the game that it was developed from. The other half is additional mechanics to fit the BSG theme. Now go frak up those toasters, pilots! | Link | 
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Earth Space Fleet | Windows | Fly around in space ship, fight the enemy, and don't die. Fairly long campaign; also,>Year 2134 | Link | 
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Fractalus | Windows Linux macOS |
Fan remake of '80s classic Rescue on Fractalus. Save stranded pilots on a hostile planet. | Link | 
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LinCity | Windows Linux others |
A clone of Sim City. | Link | 
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LinCity-NG | Windows Linux others |
A clone of Sim City 3000. | Link | 
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Metaltech: Earthsiege | Windows | Intelligent war machines realize it's stupid to fight each other, and decide to exterminate mankind instead. MechWarrior's less famous, more hardcore distant cousin.
For the direct sequel Earthsiege 2, see here. Check also Starsiege below. Note: follow this installation guide. |
Link | 
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Micropolis | Linux others |
Open source release of the original Sim City.
Note: Windows users, check RetroCity below. |
Linux Source |
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Moonbase Alpha | Windows | "Step into the role of an explorer in a futuristic lunar settlement..." You're an astronaut on NASA's future moon base, and you have to repair the crippled systems before life can't exist there. Can be multiplayer. Developed by NASA and gained internet fame from this video exploiting the game's text to speech program. Play it for John Madden. | Link | 
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Oolite | Windows Linux macOS |
Essentially, a modern fan remake of 1980s classic Elite. | Link | 
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RetroCity | Windows | A basically identical clone of the original Sim City, because Micropolis for Windows is unavailable on the MS Store for some reason. | Link | 
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Simutrans | Windows | A cool transport simulation where you connect chains of industries and cities using different transport options. Uses community graphics packs (or "paks"), meaning customisable graphics and there are quite a few to choose from. | Link | 
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Starsiege | Windows | Part of the Metaltech universe (see Earthsiege above), from which the Tribes series was spun off. | Link | 
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| -- | Stellar Trader | Windows | In this game you take on the role of spaceship captain, seeking fame and fortune in the wild frontiers of space, and trying not to get blown to bits in the process. Made by the same guy who made 'Decker'. | Link | 
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Void Destroyer | Windows | A Space combat sim with RTS elements | Link | 
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Wing Commander Saga: The Darkest Dawn | Windows | A Wing Commander fangame using a highly modified version of the open-source Freespace 2 engine. | Link | 
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