Direct Answer
Security 51 has been Steam Deck Verified since August 21, 2026. That official status confirms Valve's Verified compatibility rating; it does not create a separate ruleset, save format, or achievement list.
Current-build evidence
This core / current build / updates record is maintained against the released build, not treated as a demo-only answer. The source ledger below was checked on September 26, 2026.
Where the official source identifies a mechanic but does not publish its hidden values, visitor answer, formula, or complete outcome table, this page preserves that boundary instead of filling it with an estimate.
- Steam Deck Verified · Aug 21, 2026 — review this official patch record for the change that affects this topic.
Use it in the inspection chain
- 01
Start with the current instruction, visitor record, or mode screen shown by the game.
- 02
Connect the topic to identity, documents, the relevant scanner or medical tool, and any observed anomaly.
- 03
Record the evidence before choosing the available decision; do not reuse a fixed answer from another randomized case.
- 04
If the result remains unresolved, follow the current quarantine, Isolation Ward, City Operations, or troubleshooting path linked below.
What this page does not claim
- No invented visitor names, anomaly tiers, clearance tables, hidden thresholds, or operation formulas.
- No fixed day-by-day or shift-by-shift answer when current events can vary.
- No community claim is presented as an official current-build rule.