Offline Trophies Platinum database
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The Callisto Protocol cover art
Cover art from Steam

Game report

The Callisto Protocol

A single-player survival horror Platinum with no online requirements.

PS5 27 base-game trophies

Reason

It is a strictly single-player survival horror game with zero online multiplayer modes, leaderboards, or network connectivity requirements for base trophy tracking.

  • Zero Online Trophies: All 27 base-game trophies (1 Platinum, 7 Gold, 9 Silver, 10 Bronze) are earned completely offline.
  • Highest Difficulty Required: The biggest challenge for the Platinum is completing the game on the hardest difficulty setting, Maximum Security (“The Protocol Is About Life”). This can be tackled right from your very first run offline.
  • Collectibles Are Offline: The trophy “Grim Reaper” requires you to harvest and read all 43 Implant Bios and Audio Logs scattered across the campaign. Because there is no chapter select in the base game, make sure to follow a guide so you don’t miss any during your run.
  • DLC Trophies Optional: Expansions like Final Transmission, Contagion Mode, and Riot Mode add extra trophy packs, but none of these DLC sub-lists are required to earn the main Platinum trophy.