Is Crusader Kings II co-op?

Crusader Kings II does not list co-op on Steam; it has Online multiplayer, Single-player too.

Does Crusader Kings II have PvP?

Steam does not list PvP for Crusader Kings II.

Do we both need to own Crusader Kings II to play together?

Yes. Crusader Kings II 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 Crusader Kings II?

About 1,373 players were in-game when this page's data was last refreshed (2026-09-09).

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

Multiplayer games › Strategy › Turn-based & grand strategy

Is Crusader Kings II multiplayer or co-op?

Yes — online multiplayer. Crusader Kings II is a turn-based & grand strategy game released in 2012, 90% positive on Steam (73,809 reviews), with 1,373 playing right now. Free on Steam.

Online multiplayerSingle-player tooStrategy · Turn-based & grand strategy

Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.

How Crusader Kings II plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
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: Grand Strategy, Strategy, Medieval, Historical, Political Sim, Simulation, RPG, Sandbox

Do you and a friend both own Crusader Kings II?

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

Or open the Steam store page.

Games like Crusader Kings II you can play together

Hearts of Iron IV

Turn-based & grand strategy · 89% positive on Steam (342,150 reviews) · 32,112 playing right now

Sid Meier’s Civilization® VI

Turn-based & grand strategy · 87% positive on Steam (349,920 reviews) · 25,420 playing right now

Crusader Kings III

Turn-based & grand strategy · 90% positive on Steam (126,909 reviews) · 14,302 playing right now

Stellaris

Turn-based & grand strategy · 86% positive on Steam (185,433 reviews) · 13,727 playing right now

Sid Meier's Civilization® V

Turn-based & grand strategy · 96% positive on Steam (204,265 reviews) · 12,206 playing right now

Europa Universalis IV

Turn-based & grand strategy · 87% positive on Steam (134,436 reviews) · 12,445 playing right now

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

Quick answers

Is Crusader Kings II co-op?: Crusader Kings II does not list co-op on Steam; it has Online multiplayer, Single-player too.
Does Crusader Kings II have PvP?: Steam does not list PvP for Crusader Kings II.
Do we both need to own Crusader Kings II to play together?: Yes. Crusader Kings II 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 Crusader Kings II?: About 1,373 players were in-game when this page's data was last refreshed (2026-09-09).

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