CastleOn cover art

CastleOn

Build a castle! Grow economy, recruit troops from Europe and the Holy Land, man the walls and towers! Place traps and defeat attackers with arrows, wood and stone, fire, disease and cold steel! Survive the…

6 August 2026

CastleOn is a simulator developed by Lord Castleon, released 6 August 2026 on Linux and PC (Microsoft Windows).

Verified Sources: IGDB , Steam

What CastleOn is

CastleOn is a simulator game developed by Lord Castleon and released in 2026. It is available on Linux and PC (Microsoft Windows).

The premise, in the publisher's words

Build a castle! Grow economy, recruit troops from Europe and the Holy Land, man the walls and towers! Place traps and defeat attackers with arrows, wood and stone, fire, disease and cold steel! Survive the Third Crusade and conquer enemy lands in this turn-based strategy!
Description from the publisher · source

How it plays

It is played from a bird view / isometric perspective. Its themes are warfare. It is a single-player game with no multiplayer component.

What it launched against

CastleOn launched on 6 August 2026, within three weeks of Resonance: A Plague Tale Legacy, Mortal Shell II, Beast of Reincarnation and Star Wars Zero Company.

Released around the same time: Resonance: A Plague Tale Legacy, Mortal Shell II, Beast of Reincarnation, Star Wars Zero Company.

Screenshots

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Quick answers

CastleOn — frequently asked questions

When did CastleOn come out?
CastleOn was released on 6 August 2026 for Linux and PC (Microsoft Windows).

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