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Is AI War 2 multiplayer or co-op?

Yes — co-op. AI War 2 is a tower defense game released in 2019, 88% positive on Steam (1,490 reviews), with 7 playing right now. $19.99 on Steam.

Co-opSingle-player tooStrategy · Tower defense

The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of…

How AI War 2 plays with friends, according to Steam

Online co-op
Yes
Local / split-screen co-op
Not listed on Steam
Online PvP
Not listed on Steam
LAN play
Yes
Cross-platform multiplayer (Windows / Mac / Linux)
Yes
Single-player mode
Yes

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: 4X, Grand Strategy, Multiplayer, Tower Defense, Co-op, RTS, Real Time Tactics, Economy

Do you and a friend both own AI War 2?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether AI War 2 is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Do you and a friend both own AI War 2?Free, no login — uses public Steam profiles.

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Tired of AI War 2? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is AI War 2 co-op?
Yes, AI War 2 supports co-op.
Does AI War 2 have PvP?
Steam does not list PvP for AI War 2.
Do we both need to own AI War 2 to play together?
Yes. AI War 2 is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play AI War 2?
About 7 players were in-game when this page's data was last refreshed (2026-09-09).
Can you play AI War 2 on LAN?
Yes. Steam lists LAN co-op for AI War 2, so it works on a local network without the game's online servers.

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass