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The Callisto Protocol Update 1.01 Patch Notes, Download Size & PC System Requirements Revealed

Update 1.01 for The Callisto Protocol has been released, and patch notes as well as the download size and PC system requirements have been revealed.

Details regarding what The Callisto Protocol update version 1.01 does are limited, though it primarily improves the state of the game from the default version 1.00 that comes on disc. The update file was created on November 6, 2022.

The callisto protocol 1.01 patch notes

The Callisto Protocol Update 1.01 Patch Notes

Patch notes for The Callisto Protocol update 1.01 can be seen below.

  • General bug fixes, updates, and improvements

The download size of the update has also been revealed, and it weighs in at 26.9 GB. This update will likely not be included with physical copies at launch. For those who pre-ordered a digital copy of The Callisto Protocol on PSN, Xbox Store, or Steam, the update should come pre-installed with the game.

The Callisto Protocol Download Size

The approximate download size for The Callisto Protocol can be seen below.

  • Xbox Series X|S: 46.28 GB
  • Xbox One / Xbox One X: 46.28 GB
  • PS5: N/A
  • PS4: N/A

PC System Requirements

The PC system requirements for The Callisto Protocol are as follows:


  • OS: Windows 10
  • Processor: Intel Core i5-7500
  • Memory: 8 GB
  • DirectX: DirectX 11
  • Graphics: AMD NAVI (RX 5500)


  • OS: Windows 10/11
  • Processor: AMD Ryzen 3 1200 4 Cores
  • Memory: 8 GB
  • DirectX: DirectX 11
  • Graphics: NVIDIA TURING (RTX 2070)

Previously, it was revealed that The Callisto Protocol has been banned in Japan due to concerns regarding violence, as developer Striking Distance Studios refuses to censor the game.

The Callisto Protocol is a third-person narrative-driven survival horror game that takes place 300 years in the future and lets players take control of Jacob Lee, a prisoner who has been sent to the maximum-security Black Iron Prison on Jupiter’s moon Callisto. The player must fight their way to safety in order to escape Black Iron Prison as inmates start to mutate into monstrous creatures, all the while learning the sinister and unsettling secrets of Callisto.

Muhammad Ali Bari

Muhammad Ali Bari has a knack for covering reviews. He manages our content pipeline, creates timelines for scheduled editorial tasks, and helps us cover exciting content. In his spare time, he enjoys playing multiplayer games.

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