A downloadable game for Windows, macOS, and Linux

Early alpha of cyberpunk FPS Ctesiphon.

UPDATE: I've uploaded a proper version of the windows version with a build of OpenJDK's jre bundled in, try it out to see if it works on your machine!

New features for Demo Day 13

  • Breakable Glass!
  • Rocket Launcher with grenade alt-fire
  • Armor Pickups
  • All objects are now lit
  • Weapon Hotkeys
  • Ejecting brass and discarded magazines
  • Melee Weapon (The Data-Spike)
  • The gun models are now held by actual hands
  • Rewritten collision code
  • Configurable mouse sensitivity
  • Shotgun has explosive rounds for alt-fire
  • There's a dedicated Windows build that no longer requires Java

Unfortunately I'm in the middle of redoing the enemy AI so they don't actually move around anymore.

Check out my Tumblr for semi-regular updates and past progress: http://stomygame.tumblr.com/
I'm also now active (sort of) on Twitter:

Install instructions

The Windows .zip version just needs to be unzipped, and then you can run the exe inside. This version comes bundled with a Java jre (from ojdkbuilds on github) so you shouldn't need Java installed to run it. For the next Demo I'll set up the same thing for Linux as well.

The .jar version requires Java Runtime to run. It should be sufficient to simply open the jar file with Java, otherwise you will need to open a cmd/terminal, navigate to the file and run it with: "java -jar Ctesiphon-DD13.jar" (without quotes)


Ctesiphon-DD13.zip (69 MB)
Ctesiphon-DD13.jar (41 MB)


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Great game, i can't wait to play it when more features are added


I tried this a while ago, it was kinda cool, especially the music:

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Gave it a go...


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Fun game! Look sensitivity is a little weird though, like the vertical look is slightly slower than horizontal. Would be OK with the difficulty being a bit higher (taking more damage and doing less) in exchange for some faster default movement speed (like CSGO does). I just like the sensation of rushing around though like you can in Hotline Miami (kinda feels like a similar vibe). Also might suggest making the atmophere a little darker, if you are trying to go for cyberpunk

Was pretty fast-paced though, was very fun to rush though. And it worked. And it was written in java of all things! Why on earth would anyone want to do code in that!

Nice work though

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Thanks for playing!

I'm not sure what could be causing weird mouse behavior, it translates your desktop movement 1:01 to degress in both axes so it shouldn't be giving different sensitivities, I'll put in separate X and Y sliders if the problem doesn't go away.

I'm going to put in some more difficulty levels later that apply damage mods to the enemies, probably won't cause you to do less damage though as I think that's cheap.

Rushing around and cyberpunk are very much the idea. For now the map is really bright because I haven't put in the lighting system yet, when I do this map will be in the late evening rather than the middle of the day, and most other maps will be in the dead of night.

I want nothing more than to start again in C++, but I've come too far! If you must know, I simply found LibGDX to be very useful to get going with, after this project though I won't be touching Java again except for much smaller games.