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Tyrannis: Co-Prosperity

Also known as Tyrannis: Co-Prosperity, steam:2459150, tcp

Tyrannis: Co-Prosperity is sequel to our first game Tyrannis, and it brings back the accessible turn-based asymmetric gameplay as you fight a massive megacorporation along the Pacific Rim. Battle the Kirihara Group's Security Division across 40 new maps and a brand new campaign mode!

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Last update

17 May 2026

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Latest update

Patch notesPublished 26 Dec 2025

Christmas Cross-Content Update

So if you noticed that there have been about half a dozen updates in the last 24 hours, that's because I've been working on three things. The first two are the bugged Sri Lanka map and a glitch where menus wouldn't rese…

7 changesFixMaps

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Latest updates

Update history

Browse past updates and patch notes for this game.

17updates

December 2025
Quick Christmas HotfixJust needed to remove a video file that wasn't being used. Anyways, I'm working on something, but Merry Christmas and Happy Holidays. -Chris ProvidenceAnnouncement25 Dec 2025
October 2025
Quick Update to Co-ProsperityI made this update entirely because I refuse to have any AI-generated content in my games. -Chris ProvidenceAnnouncement31 Oct 2025
September 2025
Hey, Chris here with a quick update. Just wanted to let you all know that the custom icons should look much better, now that they don't overlap. Yeah, that's about it. This game's pretty much done for now, but I'll upda…Patch notes16 Sept 2025
March 2025
March 14 Hotfix (Bases and Demos)Hey, Chris here with a quick update to balance out Co-Prosperity, now that the Spring Sale is up.. Basically, I cut the default base amount in half to increase the tempo of the game. Oh, and there's a demo in the pipe,…Announcement1 changeBalance14 Mar 2025
June 2024
Text and Icon Alignment HotfixHey, Chris here with a quick announcement. This is basically an update to the text alignment and Custom Faction icons to make sure they're aligned correctly. That's basically it. It's been driving me nuts for the last d…Announcement13 Jun 2024
March 2024
Welcome! Anyways, a few graphical glitches have been fixed, and Tyrannis: Co-Prosperity now has a new map. Sri Lanka has 25 Regions and 167 Territories to liberate from the private security forces of the Kirihara Group…3 changesFixMapsSecurity08 Mar 2024
October 2023
Quick update with a few bug fixes here: The State tap glitch where you end up tapping on the wrong State has been fixed. Turns out the code was registering multiple tiles at once. AI should register the correct number o…2 changesFixStore04 Oct 2023
August 2023
August 7 Hotfix (Quality of Life)Alright, this is going to be a quick one, but this hotfix should make the menus more-accessible. It's little things, like reworking how the menu looks to show tabs, allowing you to shift between players by clicking on t…Announcement2 changesFixGameplay07 Aug 2023
August 6 HotfixHey, Chris here with a quick fix for the resolution in Tyrannis: Co-Prosperity. Resolution can now be selected in the Settings Menu. Just go to "Options," "Resolution," then "Preset" to change the screen resolution to a…Announcement1 changeMaps06 Aug 2023
Tyrannis: Co-Prosperity Reconstruct Dev DiaryHey, Chris here with the first Dev Diary for Update 1.1.0 "Reconstruct." And this time, it's a video. Anyways, that should do it for this update. See you guys around. -Chris Lawrence Solo Indie Dev (because the dog does…Announcement03 Aug 2023
July 2023
Hey, another quick update. Originally, I was trying to see how to deal with island chains. One idea I had was to have them be separate, so combat would be isolated on the islands. The problem is that this can lead to Se…2 changesGameplaySecurity20 Jul 2023

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