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Can your strategy hold against the darkness?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest ends
Official stores with direct support.
Citadel Siege is a strategic tower defense game where your mission is simple — stop the enemy from reaching your citadel. Deploy a variety of unique warriors along enemy paths to intercept and destroy incoming waves.
Each unit plays a crucial role: some excel in melee combat, others attack from range, while support units poison enemies or strengthen nearby allies.
But beware — your enemies are not mindless! Some will rush through your lines with speed, while others split into even more dangerous forms upon defeat.
To survive, you must build barriers, control the battlefield, and plan your troop placement with precision. Outsmart the enemy, hold the line, and defend the heart of your kingdom!
Can your strategy hold against the darkness?
⚔️ Classic tower defense gameplay with tactical depth
🧙 Unique units with active and passive abilities
🧟 Evolving enemy waves with special mechanics
🛡️ Walls and structures to control enemy movement
🗺️ Multiple environments and increasingly tough challenges
Lowest tracked price: CA$0.59 (Jul 7, 2026) · current best: CA$0.59.
93% positive reviews all-time · 1 peak players in the last 30 days.
Right now the cheapest offer for Citadel Siege is CA$0.59 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 Citadel Siege is CA$0.59 (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.
Citadel Siege peaked at 1 concurrent players on Steam in the last 30 days (highest on Jul 9, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Citadel Siege 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.
