Is Terrorhedron Tower Defense co-op?

Yes, Terrorhedron Tower Defense supports co-op.

Does Terrorhedron Tower Defense have PvP?

Steam does not list PvP for Terrorhedron Tower Defense.

Do we both need to own Terrorhedron Tower Defense to play together?

Yes. Terrorhedron Tower Defense 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 Terrorhedron Tower Defense?

Player counts were not available when this page was built.

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

Multiplayer games › Strategy › Tower defense

Is Terrorhedron Tower Defense multiplayer or co-op?

Yes — co-op. Terrorhedron Tower Defense is a tower defense game released in 2014, 84% positive on Steam (1,171 reviews). $1.99 on Steam.

Co-opSingle-player tooStrategy · Tower defense

Terrorhedron is the 3D, cooperative tower defense game for the PC. Unmatched challenge and complexity is…

How Terrorhedron Tower Defense 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: Tower Defense, Indie, Strategy, Casual, Great Soundtrack, Online Co-Op, Multiplayer, Co-op

Do you and a friend both own Terrorhedron Tower Defense?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Terrorhedron Tower Defense 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 Terrorhedron Tower Defense you can play together

Bloons TD 6

Tower defense · 97% positive on Steam (353,960 reviews) · 7,489 playing right now

Dome Keeper

Tower defense · 92% positive on Steam (16,212 reviews) · 402 playing right now

Dungeon Defenders II

Tower defense · 77% positive on Steam (21,823 reviews) · 351 playing right now

Dungeon Defenders

Tower defense · 93% positive on Steam (18,060 reviews) · 284 playing right now

Orcs Must Die! 3

Tower defense · 86% positive on Steam (14,083 reviews) · 161 playing right now

Age of Darkness: Final Stand

Tower defense · 77% positive on Steam (9,463 reviews) · 176 playing right now

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

Quick answers

Is Terrorhedron Tower Defense co-op?: Yes, Terrorhedron Tower Defense supports co-op.
Does Terrorhedron Tower Defense have PvP?: Steam does not list PvP for Terrorhedron Tower Defense.
Do we both need to own Terrorhedron Tower Defense to play together?: Yes. Terrorhedron Tower Defense 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 Terrorhedron Tower Defense?: Player counts were not available when this page was built.

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