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A dark medieval tower defense. Build walls, arrow towers, bombards, and a castle against 13 escalating enemy types across 8 maps. Adaptive music and economy reshape every run. 4 difficulty modes, 24 Steam achievements, cloud saves, first-class controller support.
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 ends
A 3D real-time tower defense survival game inspired by Age of Empires II's "Art of Defence" custom campaign. Build a medieval stronghold from a single resource - gold - and defend it through minutes of escalating siege.
9 buildings - Arrow Towers, Bombards, Castles, Walls, Markets, Town Centers, Outposts, and the University tech tree
13 enemy types - from Swarmers to Battering Rams that smash through stone
7 unique maps - moats, forests, river crossings, canyons, marshlands
Multiple difficulty modes - With tuned starting gold and enemy scaling to match your playstyle and experience
7 research trees, 21 upgrades - meaningful synergies that reshape your strategy
27 Steam achievements - including challenge runs (no walls, arrow-only, no research, perfect defense)
Mouse and keyboard support, partial controller support
Place Outposts to buff nearby towers. Stack Reinforced Walls research with Fortified Foundations for 4.5x wall HP. Farm enemies with Bounty research. Or rush a Castle and hope for the best. Every match is a series of compounding economic and defensive choices.
Survive the full timer. Lose all your Town Centers and Castles, and the realm falls.
Lowest tracked price: €4.15 (Jul 7, 2026) · current best: €4.15.
Right now the cheapest offer for Hold the Keep is €4.15 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 Hold the Keep is €4.15 (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 Hold the Keep 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.
