Does DEFCON have PvP?

Yes, DEFCON has player-versus-player modes.

Do we both need to own DEFCON to play together?

Yes. DEFCON 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 DEFCON?

About 8 players were in-game when this page's data was last refreshed (2026-09-09).

Can you play DEFCON on LAN?

Yes. Steam lists LAN co-op and LAN PvP for DEFCON, so it works on a local network without the game's online servers.

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Strategy › Real-time strategy

Is DEFCON multiplayer or co-op?

Yes — co-op and PvP. DEFCON is a real-time strategy game released in 2006, 87% positive on Steam (4,182 reviews), with 8 playing right now. $11.99 on Steam.

Co-opPvPSingle-player tooStrategy · Real-time strategy

Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating…

How DEFCON plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
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: Tactical, PvP, Online Co-Op, Co-op, Singleplayer, Strategy, Replay Value, Cold War

Do you and a friend both own DEFCON?

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

Or open the Steam store page.

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

Quick answers

Is DEFCON co-op?: Yes, DEFCON supports co-op.
Does DEFCON have PvP?: Yes, DEFCON has player-versus-player modes.
Do we both need to own DEFCON to play together?: Yes. DEFCON 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 DEFCON?: About 8 players were in-game when this page's data was last refreshed (2026-09-09).
Can you play DEFCON on LAN?: Yes. Steam lists LAN co-op and LAN PvP for DEFCON, 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