Idle Sand Castle

Incremental sand mining with castle building and defense against attackers

Oleh Baziv · Released Jan 24, 2022

Reviews: Mixed; 41% of 98
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 4 years ago; Feb 21, 2022
Minimum PC: 0.5 GB RAM · 0.1 GB disk; Full requirements

What is Idle Sand Castle?

In this free-to-play, single-player incremental game, you run a mine provided by the Sandman. You dig sand, hire and upgrade miners, and build a multilevel castle that earns money from tourists taking selfies. You push attackers away or hire guards and upgrade their equipment.

For you if...

+you like building an economy through incremental upgrades

Not for you if...

−you dislike losing construction progress to enemy attacks

What players say

41% of 98 reviews are positive

Players most often criticize the constant clicking and need to wake sleeping workers, saying there is little actual idling. They also complain about ineffective guards and paid advantages they describe as pay-to-win.

Screenshots and trailer

Idle Sand Castle system requirements

Minimum: 0.5 GB RAM, 0.1 GB of disk space.

As published by the developer.

Can my PC run Idle Sand Castle?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows 7
Processor: 2 GHz
Memory: 512 MB RAM
Storage: 100 MB available space
DirectX: Version 9.0

Does Idle Sand Castle have co-op or multiplayer?

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

Single-player

Does Idle Sand Castle run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 18
Steam features: Family Sharing
Languages: Full audio: English.

Does Idle Sand 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 27, 2026. How to filter AI games on Steam