Castle Must Be Mine
Released Jul 2018
Castle Must Be Mine is a KingdomRush-like tower defense game. But developed for VR. In addition to constantly collecting Coins to building and upgrading defensive towers, also need to make full use of all kinds of skills and props to stop the "enemies" into your castle.
89% positive · 238 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $15.99
Can't confirm — worth a look
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Evaluation
Castle Must Be Mine is a VR tower defense game that launched on July 13, 2018. The developer, TheMiddleGray, was consistently active during development and in the lead-up to launch, shipping multiple major content updates between November 2016 and April 2018 — adding new maps, monsters, heroes, skills, and platform support (Oculus Touch). The final recorded developer communication was on April 8, 2018 (before the July 13, 2018 release date), when the team shipped two additional endless maps. The game subsequently released on July 13, 2018 as what appears to be its completed form, encompassing all the content built up over that development period. There have been no developer posts, patch notes, DLC announcements, or roadmap communications since the game's launch — a silence spanning from July 2018 through to today in June 2026. No DLC has been listed on the store, and no future content has ever been announced. The store description presents the game as a feature-complete product. Given the complete absence of any post-launch activity over more than eight years and no outstanding commitments, the game is best understood as having launched as a finished product.
Evidence
Two additional endless maps released (one desert, one ice field) along with minor bug fixes. This is the last recorded developer communication.
New endless map and a new wizard hero released, enabling two-hero co-op play. Leaderboard support added.
Media
Details
Developer
Publisher
TheMiddleGray
Achievements
—
Platform
Windows
Controller
—
Steam Deck
Not rated
Players
Single-player
About this game
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:
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.
Last evaluated Jun 27, 2026
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