The Rookie Prince's Defense Trials CD Key
PC price comparison · FoZon · Nov 10, 2026
You are the prince of a small kingdom. Defend its castles from monsters in this tower defense game!
Lowest final price
at Steam · Standard Official
Historical low: $3.49 on November 8, 2026
Get the best deal ↗Compare The Rookie Prince's Defense Trials key prices
Sorted by final price including fees, never by commission.
| Store | Edition | Activates on | Region | Price | Fees | Final price | |
|---|---|---|---|---|---|---|---|
SteamOfficial | Standard | Steam | Global | −30%$3.49 | none | $3.49 | Go to store ↗ |
- SteamOfficial
Standard · Steam · Global
$3.49 · fees: noneGo to store ↗$3.49
The Rookie Prince's Defense Trials price history
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Historical lows by store
- Steam$3.49
About The Rookie Prince's Defense Trials
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 defenses and protect the castle to the last!Read more
The Rookie Prince's Defense Trials system requirements
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 11 64 bit
- Processor: 2.5 Ghz 64-bit
- Memory: 8 GB RAM
- Graphics: NVIDIA Geforce GTS 450 / AMD Radeon HD 5570
- DirectX: Version 11
- Storage: 300 MB available space
- Sound Card: Windows Compatible Audio Device
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 11 64 bit
- Processor: 2.5 Ghz 64-bit
- Memory: 16 MB RAM
- Graphics: NVIDIA GTX 1060 3GB / AMD RX 480 DIRECTX: Version 11
- DirectX: Version 11
- Storage: 512 MB available space
- Sound Card: Windows Compatible Audio Device
The Rookie Prince's Defense Trials key FAQ
+What is a The Rookie Prince's Defense Trials CD key?
A The Rookie Prince's Defense Trials CD key is a digital code that unlocks the game on a PC platform such as Steam. After redeeming it, you download the game directly from that platform and it stays in your library.
+What is the cheapest price for The Rookie Prince's Defense Trials?
The cheapest The Rookie Prince's Defense Trials key right now costs $3.49 at Steam, 30% off the regular price. We compare 1 offers from 1 store, and the price already includes payment and service fees.
+What is the historical low for The Rookie Prince's Defense Trials?
The lowest price we have recorded for The Rookie Prince's Defense Trials is $3.49 on November 8, 2026. Check the price history chart to decide whether to buy now or wait for the next sale.
+Is it safe to buy a The Rookie Prince's Defense Trials key?
Buying from an official store such as Steam, GOG or Epic Games is always safe. Key resellers are often cheaper but sell keys second-hand, so check the region lock and buyer protection before you buy. Every offer on GameKeyDeal is labelled as official or reseller.
