Defend Your Castle

Mouse-controlled castle defense where you fling invaders into the air

XGen Studios · Released Oct 18, 2017

Reviews: Mixed; 57% of 60
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 30, 2026
Steam Deck: Untested
Last update on Steam: 9 years ago; Sep 19, 2017
Minimum PC: HD 5450; 2 GB RAM · 0 GB disk; Full requirements

What is Defend Your Castle?

You defend a castle from crayon invaders in a single-player action-strategy game with unlimited levels. You reinforce walls, build structures such as a wizard tower, convert soldiers into specialized defenders, and cast spells.

For you if...

+you like mixing hands-on action with defensive planning
+you prefer endless survival to reaching a final level

Not for you if...

−you want castle upgrades to eventually eliminate manual combat

What players say

57% of 60 reviews are positive

Players praise the nostalgia of returning to an older game. The recurring complaint is that archer kills award no points; some players also dislike the revised art style.

Screenshots and trailer

Defend Your Castle system requirements

Minimum: HD 5450, 2 GB RAM, 0 GB of disk space.

As published by the developer.

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Minimum

OS: Windows Vista
Processor: Intel Pentium Dual Core (2 * 2200 Mhz) or AMD Athlon X2 64 2 * 2200 Mhz
Graphics: GeForce 6800 GT with 256 MB of RAM / ATI Radeon HD 5450 with 512 MB of RAM
Memory: 2 GB RAM
Storage: 40 MB available space
DirectX: Version 9.0c

Does Defend Your Castle have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Defend Your Castle run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Full audio: English.

Does Defend Your Castle use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam