Is Hollow Knight co-op?

Not natively. Hollow Knight ships single-player; the community mod Hollow Knight Multiplayer (HKMP) adds co-op — See each other in Hallownest; optional PvP add-on.

Does Hollow Knight have PvP?

Only with the Hollow Knight Multiplayer (HKMP) mod, which includes PvP servers.

How many people play Hollow Knight?

About 4,912 players were in-game when this page was built (2026-09-08).

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

Multiplayer games › Party & co-op › Co-op platformer

Is Hollow Knight multiplayer? Yes — with Hollow Knight Multiplayer (HKMP)

Not out of the box — but the Hollow Knight Multiplayer (HKMP) mod makes it co-op and PvP. Hollow Knight is a co-op platformer game released in 2017, 97% positive on Steam (415,946 reviews), with 4,912 playing right now. $14.99 on Steam.

Co-opPvPSingle-player tooMultiplayer via mod: Hollow Knight Multiplayer (HKMP)Party & co-op · Co-op platformer

How to play Hollow Knight with a friend: Hollow Knight Multiplayer (HKMP)

See each other in Hallownest; optional PvP add-on. Steam lists Hollow Knight as single-player, so it won't show up in Steam's own "games we both own" view as something you can play together — Ready Up counts it anyway, marked "Via mod", and you can hide mod-only games with one filter if that's not your thing.

Get Hollow Knight Multiplayer (HKMP)

Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted…

Steam tags: Metroidvania, Souls-like, Platformer, Great Soundtrack, 2D, Difficult, Indie, Singleplayer

Do you and a friend both own Hollow Knight?

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

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

Quick answers

Is Hollow Knight co-op?: Not natively. Hollow Knight ships single-player; the community mod Hollow Knight Multiplayer (HKMP) adds co-op — See each other in Hallownest; optional PvP add-on.
Does Hollow Knight have PvP?: Only with the Hollow Knight Multiplayer (HKMP) mod, which includes PvP servers.
How many people play Hollow Knight?: About 4,912 players were in-game when this page was built (2026-09-08).

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; updated 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.