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Castella is a Tower Defense Rogue-like, where you will build a fortress to defend yourself from Hordes of monsters besieging your Castle. During the game you will unlock and upgrade a great variety of Towers and Buildings. You will build walls to block the path and defend your resources and Castle.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Castella is a Tower Defense Rogue-like, where you will build a fortress to defend yourself from hordes of monsters besieging your castle. During the game you will unlock and upgrade a great variety of towers and buildings. You will build walls to block the path and defend your resources and your Castle.
Your choices matter, depending on what you choose, you will unlock 14 deadly towers and over 30 unique upgrades, make your castle more resistant, or improve your economy.
You will study the terrain to create chokeholds and gain greater advantage against the enemy or completely cut their path, in 2 types of procedurally generated Maps.
There are over 17 Enemy types, and they have different Objectives, some will destroy your walls, while others will focus your Economy. They all have a common objective, Destroy Your Castle !!
You will also mine resources like mana, gold, iron and stone all around the map, which are needed to construct your buildings. But be careful, the enemy is greedy and will attack them in sight, don't let them get too close.
Right now the cheapest offer for Castella is CA$16.49 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Castella is CA$12.36 (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.
Create a free price alert on this page and KingsPrice will email you when Castella 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.
