Plague Inc: Evolved update 1.23.0.5 is now rolling out on PC (Steam). According to the official Plague Inc: Evolved patch notes, the latest update 1.23.0.5 added quality of life improvements and gameplay optimizations.
Since the last patch, players are facing a number of problems with the game. Today’s Plague Inc: Evolved patch 1.23.0.5 will fix a few of these issues.
Check out more details below.
Plague Inc: Evolved Patch 1.23.0.5 Notes – April 7, 2026
- Xeno-forming no longer appears on non-xenolith end screen graph
- Localisation fixes – some text wasn’t translating correctly – Known issue: There is still some text not translating, will be fixed tomorrow (Wednesday)
Balance
- Brutal and Mega Brutal difficulty adjustments for Xenolith (slightly less XNA, Research goes faster, abilities cost more XNA)
- Xenolith XNA adjustments
Quality of life
- Final Xeno-form graphic updated
- Xenolith: “Frequency Shift” can now be used against Prototype Disruptors
- Tooltips updated for Xenolith
Known Issues – Fixes Coming
- Known issue: Multiplayer modes not displaying infected countries correctly. Fix expected tomorrow (Wednesday)
- Known issue: A few bits of text are still not being translated correctly. Fix expected tomorrow (Wednesday)
- Known issue: Leprosy “Rapid Abcesses” description incorrect
Download Plague Inc: Evolved update 1.23.0.5 on PC.