The Rookie Prince's Defense Trials
Launches 10 November 2026 · PC · Casual, Indie, Simulation

You are the prince of a small kingdom. Defend its castles from monsters in this tower defense game!
Story
The Rookie Prince’s Defense Trials In this tower defense game, you play as a young prince trying to save castles left on the brink of collapse by monster attacks. Fight off the monsters while repairing your defenses. By day, work within a limited budget to repair walls and cannons, strengthen your soldiers, and prepare for the night’s assault. Each area has a monster boss. Defeat it and keep the castle standing! Each round takes about 5–10 minutes, making it easy to play whenever you have a little spare time. There are 16 castles to defend, each with its own terrain. Defense missions challenge you to find more efficient strategies. Every successful defense helps the prince grow and unlocks items he could not use before. By day: Repair and prepare - Upgrade your castle with a focus on attack or defense to suit the terrain and the monsters you face. - Repair walls and cannons. As your castle levels up, you can improve your cannons’ attack power, defense, fire rate, and range. - Recruit soldiers at the barracks. As your castle levels up, they can change jobs to swordsmen, archers, knights, mounted knights, snipers, or mages. - Build houses to support the castle’s...
Gameplay
The Rookie Prince’s Defense Trials In this tower defense game, you play as a young prince trying to save castles left on the brink of collapse by monster attacks. Fight off the monsters while repairing your defenses. By day, work within a limited budget to repair walls and cannons, strengthen your soldiers, and prepare for the night’s assault. Each area has a monster boss. Defeat it and keep the castle standing! Each round takes about 5–10 minutes, making it easy to play whenever you have a little spare time. There are 16 castles to defend, each with its own terrain. Defense missions challenge you to find more efficient strategies. Every successful defense helps the prince grow and unlocks items he could not use before. By day: Repair and prepare - Upgrade your castle with a focus on attack or defense to suit the terrain and the monsters you face. - Repair walls and cannons. As your castle levels up, you can improve your cannons’ attack power, defense, fire rate, and range. - Recruit soldiers at the barracks. As your castle levels up, they can change jobs to swordsmen, archers, knights, mounted knights, snipers, or mages. - Build houses to support the castle’s economy. By night: Defend the castle Hold down the prince icon to advance to night, when monsters attack from different directions. Some can fly or cross rivers. A boss awaits at the end, so strengthen your...
Features
- Single-player
- Steam Achievements
- Full controller support
- Custom Volume Controls
- Keyboard Only Option
- Mouse Only Option
- #category_playable_at_your_own_pace
- Playable without Timed Input






Release details
The Rookie Prince's Defense Trials is a Casual, Indie and Simulation game by FoZon. It is published by TOOX. The Rookie Prince's Defense Trials launches on Tuesday, 10 November 2026 on PC. This date comes from Steam and was last checked on 2 November 2026.
Frequently asked questions
When does The Rookie Prince's Defense Trials release?
The Rookie Prince's Defense Trials launches on 10 November 2026.
Which platforms is The Rookie Prince's Defense Trials on?
The Rookie Prince's Defense Trials is on PC.
Who makes The Rookie Prince's Defense Trials?
The Rookie Prince's Defense Trials is developed by FoZon and published by TOOX.
What kind of game is The Rookie Prince's Defense Trials?
The Rookie Prince's Defense Trials is a game of these genres: Casual, Indie and Simulation.