Castle Must Be Mine

Offers

What are keyshops?

Official stores

Official stores with direct support.

Steam

SteamSteamOfficial

updated Jul 17, 2026

CA$18.49

Shop now ↗

About Castle Must Be Mine

Have you ever simulated war games by using toys? Or have you ever imagined that they could participate in the war games under your command? Right now the VR Technology offer a strong immersive experience make this become more real.
Castle Must Be Mine is a VR tower defense game. Through building the defense tower on the building points, helping the hero to kill the enemies who want to invade your castle, and after killing the enemies, you will earn some money which can be used to build more towers or upgrade towers as well. Meanwhile you need to command your hero and use your special skills to obtain better performance.

Key Features:

Building and upgrading towers with your strategy.
Command your hero to attack enemies and get more experience point to level up.
Over 30 different monsters, including land monsters and fly monsters.
5 fascinating forest-style maps, 4 desert-style maps and 3 Ice field maps .
Endless maps with cooperation between two heroes
Use controllers to throw the fireball, tornado and ice ball to anywhere.
Throwing the boulders from the castle wall to hit and block the enemies.
Fire the Cannon on the castle wall to bombard enemies.
Cast spike trap on the path to stab enemies.
Review your score in world leader board after the level over.

Game details

Released

Developer

Publisher

Platforms

Steam rating

Very Positive (90%)

Game modes

Single-player

Languages

English

Features

Castle Must Be Mine price history

Lowest tracked price: CA$18.49 (Jul 7, 2026) · current best: CA$18.49.

Castle Must Be Mine player count & reviews

90% positive reviews all-time · 0 peak players in the last 30 days.

Castle Must Be Mine — frequently asked questions

Where can I buy Castle Must Be Mine at the cheapest price?

Right now the cheapest offer for Castle Must Be Mine is CA$18.49 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.

What is the lowest price Castle Must Be Mine has ever been?

The lowest price KingsPrice has tracked for Castle Must Be Mine is CA$18.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.

How many people play Castle Must Be Mine?

Castle Must Be Mine peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 7, 2026). The player chart on this page updates daily.

How can I get Castle Must Be Mine at a discount?

Create a free price alert on this page and KingsPrice will email you when Castle Must Be Mine drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.