Game artwork from the official Steam store; rights belong to the respective publisher.
Steam store edition · PC
CN · CNY · Steam
Price observed in the CN store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
Steam store edition · PC
DE · EUR · Steam
Price observed in the DE store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
Steam store edition · PC
US · USD · Steam
Price observed in the US store. A Steam account is required. Check the store for package contents, operating-system support and regional purchase restrictions.
AI War 2 is a grand strategy/RTS hybrid that reverses many of the conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground. It's also "a sequel to [Arcen's] enormo-space RTS AI War, which we called 'one of this year's finest strategy games' back in 2009" (Tom Sykes, PC Gamer) The most devious and acclaimed artificial intelligence in strategy gaming evolves.
Most recent is 2021's Paradigm Shift (which has overviews and tutorials in that link). Every year since 2018, this AI has become more devious -- and the factions facing it, subordinate to it, or simply neighbors with it grow more numerous and more lifelike.
The premise is simple: you've already lost the war. The entire galaxy belongs to other factions, mostly the AI. You are starting with one small planet in a sea of hostile territory, and you must endeavor not to draw too much notice from the AI. Your job is to carefully evaluate targets, strategically expand your territory just enough to run your fleets and defensive…
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Included content and base-game requirements have not been verified in the published record. Check the linked product source before buying.
Play on: PCCheck product contents and requirements ↗CN / CNY · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
CNY 19.00 lowest in the displayed observations, from Oct 16, 2026, 04:51 AM UTC to Oct 16, 2026, 04:51 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 16, 2026, 04:51 AM UTC | CNY 19.00 |
DE / EUR · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
EUR 4.87 lowest in the displayed observations, from Oct 16, 2026, 04:32 AM UTC to Oct 16, 2026, 04:32 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 16, 2026, 04:32 AM UTC | EUR 4.87 |
US / USD · Steam · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
USD 4.99 lowest in the displayed observations, from Oct 16, 2026, 04:12 AM UTC to Oct 16, 2026, 04:12 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 16, 2026, 04:12 AM UTC | USD 4.99 |