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A turn-based tactical game in the style of chess, with roguelike elements, where you command a fleet in dynamic strategic battles to break humanity's cycle of defeat.
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 starts Jul 20, 2026
Official stores with direct support.
Protocol Aegirum blends chess-inspired strategic depth with the endless replayability of roguelikes. Command your fleet, adapt to shifting battlefields, and challenge an eternal cycle of tactical trials to overturn humanity’s fate.
In Protocol Aegirum, humanity is ensnared within an unending simulation, desperately searching for a commander who can break the algorithmic loop. Take command of your specialized fleet, with each ship designed after classic chess pieces, and engage in strategic, turn-based combat across procedurally generated sectors. As you progress, you'll encounter randomized doctrine nodes providing passive upgrades, influencing your fleet's evolution and refining your strategic approach.
Key Features:
Chess-Inspired Tactics: Each vessel mirrors a chess piece, requiring strategic positioning, precise maneuvers, and careful coordination.
Roguelike Replayability: Every attempt introduces fresh enemy configurations, randomized doctrines, and new sector layouts, ensuring unique tactical challenges each run.
Dynamic Battlefields: Face evolving sectors featuring distinct visual identities and tactical variables, demanding constant strategic adaptation.
Doctrine Nodes: Discover passive doctrines randomly during your runs, subtly shaping your strategic decisions.
Endless Strategic Loop: With no branching paths or narrative distractions, victory depends solely on your skill, adaptability, and tactical endurance.
Lead your fleet through the simulation. Adapt, optimize, and outmaneuver the endless cycle. Humanity’s survival hinges on your strategic mastery.
Right now the cheapest offer for Protocol Aegirum is CA$1.68 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 Protocol Aegirum is CA$2.59 (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.
Create a free price alert on this page and KingsPrice will email you when Protocol Aegirum 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.
