Direct Answer
Medium Mode matches the standard Security 51 difficulty and keeps the normal shift timer. Saves created before difficulty settings were added remain on Medium according to the August 27 official update.
Current-build evidence
This endless mode / difficulty / progression 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.
- Endless Mode Update · Aug 27, 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.