Steam

Ctesiphon

Also known as Ctesiphon, c, ctesiphon

A retrowave/mecha-inspired sci-fi first-person shooter featuring fast-paced combat in old-school style open-plan levels packed with pickups, keys, and secrets.

Read full patch notes Browse all updates Add Discord alerts

Last update

17 Jun 2026

Original sources

Latest update

Patch notesPublished 12d ago

Ctesiphon will be at AVCon 2026!

Version 1.04e Patch Notes Another small update: Removed v3Expo's Squilchan dialogue from the secret spot in the Outskirts. I've moved the portrait into the fanart room instead. That central building in the Multiport wil…

1 changeGameplay

Read full patch notes

Latest updates

Update history

Browse past updates and patch notes for this game.

15updates

June 2026
First of all, go check out the v3Expo showcase for 2026. It should be airing a few hours after this update goes live. Ctesiphon has only short spot in a montage but if you look carefully there's a hint on how to get to…v1.04d9 changesFixGameplayStore22d ago
March 2026
Version 1.04cReally tiny patch this one. A commenter on itch pointed out you can jump way higher if you bind jump to the scroll wheel. I have a little timer for extra coyote time and it wasn't clearing on jumping which meant it coul…Announcementv1.04c11 Mar 2026
January 2026
Version 1.04bSteam Auto-Cloud has now been enabled, so saves should sync between devices (even cross-platform). Version 1.04b itself is only for Linux builds as it fixes a major performance problem. I'd gotten the report a few times…Announcementv1.04b5 changesGameplayPerformance04 Jan 2026
December 2025
Somewhere in uploading a new build to Steam, asset changes described in the patch notes for v1.04 had ended up not being packaged in.v1.04a1 changeGameplayPatch notes15 Dec 2025
Surprise! Ctesiphon is now Steam Deck Verified!ːsteamhappyː This comes with the caveat that on the Deck you'll get the Windows version by default launching through Proton, as stated in the previous update. The situation…14 changesFixGameplayPatch notes09 Dec 2025
November 2025
Steam Deck Support PlansI want to make an official announcement I can reference for Steam Deck compatibility so I can link it from the store page. As of writing, most controllers will work on Native Linux even if they don't on Windows, but the…Announcement2 changesCompatibilityGameplay29 Nov 2025
Patch Version 1.03aI'm launching a game on Steam for the first time, I can have a little day one patch as a treat. Added a little clipping in the Tutorial level to avoid getting stuck on the indoor palms Fixed up the level descriptions in…Announcementv1.03a3 changesFixGameplay27 Nov 2025
Launch Day! The time has finally come, Ctesiphon is live! The launch version is set to 1.03 to keep parity with the demo. This does mean there's been a few changes and so previous saves will cause artifacts so it's reco…5 changesGameplayUI/audioPatch notes27 Nov 2025
CTESIPHON is coming November 26th!Hey everyone, I'm hard at work finishing up the final touches on the game but wanted to make a formal announcement that CTESIPHON is coming November 26th. Be sure to wishlist the game if you haven't and check out the de…Announcement12 Nov 2025
October 2025
Behaviors (Can't call it AI anymore) Grunts can now shoot over obstacles a bit easier. I want to do a dedicated animation for this eventually but for now if the grunt's muzzle is obscured the projectile will spawn up at…v1.02c3 changesGameplayPerformanceSecurity18 Oct 2025
Bugfixes All sound clips tied to entities are now cleared on map load, meaning you shouldn't hear Ethelyn's elaborate death scream anymore after hitting restart. Fixed Windows build picking up R-Control as R-Shift, a ty…v1.02b2 changesFixMapsPatch notes02 Oct 2025

Older updates

Gallery