Act of War: High Treason
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IGDB
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About Act of War: High Treason
Act of War: High Treason is a real-time strategy sequel from Eugen Systems, released in 2006. Building on its 2005 predecessor, it adds naval combat and a massive single-player campaign set in a fictional global conflict. You command land, air, and sea units, managing resources while advancing through an expanded tech tree. The game leans into modern military realism, with detailed unit behavior and balanced warfare. It runs on PC and plays solo or against others in competitive multiplayer. For fans of structured base-building and tactical combat, this is a mid-2000s RTS that prioritizes depth over flash.
Gameplay
High Treason revolves around base construction, unit production, and territorial control. You gather resources to build factories, airfields, and shipyards, then deploy infantry, tanks, jets, and naval squadrons. Combat feels methodical but responsive, flanking maneuvers matter, and unit types counter each other in predictable yet satisfying ways. Naval additions add a new axis to strategy, requiring you to protect supply lines from submarines and corvettes. Missions in the single-player campaign vary from defending outposts to amphibious assaults. Multiplayer matches favor players who optimize their economy and exploit tech-tree advantages. The interface is dense but functional, with unit micro still feeling clunky compared to modern RTS titles.
What Players Think
Metacritic scores 74/100, while IGDB’s 59.6/100 (6 reviews) suggests polarized opinions. Community moods lean toward appreciation for the expanded naval mechanics and 30+ hour campaign, though some criticize the dated UI and inconsistent difficulty scaling. Average playtime for single-player hovers around 18 hours. A Reddit thread from 2020 notes that the game remains a niche favorite among older RTS fans, with one user calling it “the last great Eugen Systems project before they went all World of Warcraft.” Completion rates for the campaign are low at 29%, but hardcore players often return to unlock all 12 tech upgrades.
PlayPile's Take
High Treason is best for veterans of the RTS genre who want to relive 2000s-era strategy. It lacks modern polish but offers robust systems and a deep campaign. Priced at $10, 15 on retro markets, it’s a low-risk play for those patient with clunky menus. The 25 achievements (average 3 hours to unlock) focus on mission-specific goals. While not a modern classic, it’s a solid entry in the RTS canon, ideal for those who miss the days of micromanaging tanks and dreadnoughts in real time. Skip if you prefer streamlined controls or newer mechanics.
Game Modes
Single player, Multiplayer
IGDB Rating
59.6
RAWG Rating
3.7
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