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Plague Tree (Vorona Cirus Treesease)

developed by Vorona gamedev
rated 3.8 stars, 114 ratings
rated 3.8 stars, 114 ratings

Posted June 8, 2023. Updated January 31, 2024. Played 14170 times for a total of 44699 hours.


The game's goal is to reach as many cases of the COVID-19 disease as possible. As you go down layers, you unlock things that greatly improve virus spread and strength, way beyond what the real virus could possibly accomplish.

latest update

Plague Tree (Vorona Cirus Treesease) v0.6.24 January 31, 2024

  • Added Deadly Crows
  • Added 5 UnBoosted Virus upgrades
  • Added 11 UnBoosted Virus milestones
  • Added 2 UnBoosted Virus buyables
  • Added a Booster upgrade
  • Added 2 Unvaxxed Layer upgrades
  • Added 2 Anti-Distancing upgrades
  • Added 5 Achievements
view all updates

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newest comments

LavieTheDaed1 May 18, 2024
0comment score: 0

Stuck at unv. tRNA and ~20M UBV. I can't get the 30 sec milesone.

ghajestis counter May 5, 2024
0comment score: 0

once i unlocked RNA the game just became completely unbalanced and poorly paced. might wanna fix that

unicodes counter May 2, 2024
+1comment score: 1

i am running at a crisp 20 fps

ghajestis counter May 2, 2024
+1comment score: 1

i wonder what the entire fatality layer is inspired by

unicodes counter May 1, 2024
+1comment score: 1

why am i lagging

top comments

crust_cheese June 29, 2023
+20comment score: 20

As others have pointed out, this game just completely turns on its head once you unlock Fatality. It becomes very slow and essentially revolves around getting different buyables across multiple tabs. That's a shame, as the game up to that is quite fun and engaging.

lingluo June 26, 2023
+10comment score: 10

@unpogged you can hold shift to bulk attempt mutate. It's important but the game doesn't make it clear.

Acod countest June 8, 2023
+7comment score: 7

definitely one of the prestige tree mods

Piterpicher mod June 16, 2023
+7comment score: 7

The game's really fun, but also frustrating. Thankfully, the game's exaggerated nature prevents it from feeling grim. You can read my full review at

rajakyoza January 31, 2024
+6comment score: 6

the game is super lag for me, Average tps : 0.18 s/tick

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