Sword & Siege Crusades: Book I

Fight through the 1st and 2nd Crusades and the conflicts between them in Crusades: Book I, a tactical medieval wargame of sieges, field battles, and frontier warfare. Command Crusader armies or Islamic alliances across 74 scenarios and two branching campaigns.

At a glance

• Platform: Windows.
• Genres: Simulation, Strategy.
• Release date: Apr 20, 2026.
• Steam user reviews: Positive (100% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

CDKeyCheap does not sell keys. We track and display prices; every purchase happens on the store you click through to.