Endings

Security 51 Endings: Routes, Choices & Shift Map

Quick answer

Use the Security 51 endings hub to track confirmed routes, branch choices, the Shift Map, achievements, and anomaly pages without relying on unverified ending claims.

Review record
Published: Last reviewed: Patch-sensitive facts are marked for recheck

Security 51 endings index

This hub organizes the pages that help you plan ending and replay routes. The game is new, so the safest approach is to separate confirmed mechanics from community theory and keep notes on what your own save actually unlocks.

Route or topicBest starting pointSpoiler level
First clearComplete walkthroughLow
Branching after an endingShift Map guideMedium
Choices and consequencesDecision guidePartial
Isolation routeIsolation ending guideFull
System Breakdown routeSystem Breakdown ending guideFull
The Fool camera checkThe Fool anomaly solutionLow
Completion cleanup68 Steam achievementsMedium

What to do after your first ending

After you reach an ending, use the Shift Map instead of deleting your save. The August update made alternate-story branch days easier to read with question marks, borders, and tooltips, so check those markers before replaying a long section.

  1. Open the Shift Map.
  2. Pick the earliest branch marker connected to the route you want to test.
  3. Replay forward and change only the decision you are investigating.
  4. Record the ending, achievement unlock, and any route note that changed.
  5. Compare the result with the choices database.

How to track ending evidence

Use this table when updating your own notes or when checking community claims:

Evidence typeTrust levelHow to use it
Your own save resultHighestRecord the day, branch point, choice, and unlock
Steam achievement unlockHighConfirms an outcome exists, but not always the exact trigger
Patch notesHighConfirms mechanic changes and bug fixes
Steam discussionMediumUseful for hints, but verify before treating as route logic
Video clip without full contextMedium-lowGood for location clues, weak for branching requirements
Theory threadLowKeep separate from route instructions

Common mistakes while chasing endings

  • Changing several choices at once, then not knowing which one caused the new result.
  • Replaying only the final day when the route depends on an earlier operation.
  • Treating anomaly names as confirmed ending names.
  • Ignoring achievements after a branch resolves.
  • Following older screenshots without checking the current Shift Map markers.

Route checklist

Before committing to a replay route, make sure you have:

  • Finished the initial Day 1-30 timeline.
  • Opened the Shift Map and identified a branch marker.
  • Checked the walkthrough hub for the relevant day range.
  • Reviewed the Steam achievements guide for unlock clues.
  • Kept anomaly pages separate from true ending routes unless the game confirms otherwise.

FAQ

How many endings does Security 51 have?

The exact count should be treated as unconfirmed unless the game, achievement list, or a verified save route proves it. This hub tracks confirmed guide pages and keeps speculative routes separate.

Do I need a new save for each ending?

Usually no. After the first ending, the Shift Map is designed for revisiting earlier branch points from the same save.

Is The Fool an ending?

Current evidence supports The Fool as a camera anomaly check. The existing URL is preserved because players search for it, but the page now explains the anomaly solution.