Orcs Must Die! Unchained
Robot Entertainment formally released a free online reinvention of its trap-defence series, then removed the servers that made every mode work.
Quick facts
- Existence state
- Officially Gone
- Peak stage
- general availability
- Research confidence
- high
- Last verified
What it was
A formally released free-to-play action and tower-defence game developed by Robot Entertainment.
Unchained expanded the series with a roster of heroes, cooperative fortress defence and an evolving online economy across PC and PlayStation 4.
Existence timeline
Robot reveals a multiplayer expansion of its trap-defence series.
Ordinary players enter the evolving online service.
Unchained reaches general availability on PC, followed by PlayStation 4.
Robot says continued server operation is financially unsustainable.
The formally released game becomes unusable through normal channels.
Why it ended
Robot said operating the service had become financially unsustainable and closed all servers on 8 April 2019.
Last confirmed trace
Official pages, Steam announcements, client files and community modification research preserve the released game.
What it left behind
Its disappearance is a direct contrast with the offline-capable numbered games that remain playable after their commercial life.
How we classified it
The archive unit reached normal public release or operation and is no longer obtainable in its original public form.
Verified normal public availability maps to 100 under Arrival Score V1.
Sources & verification
Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.