59 tower defense games on Steam with co-op or multiplayer, ranked by how many people are playing right now and how well they review. Part of Strategy.
| Game | Modes | Type | Rating | Playing now | Price |
|---|---|---|---|---|---|
| Bloons TD 6 | Co-op, Single-player too | Tower defense | 97% | 7,489 | $13.99 |
| Dome Keeper | Co-op, PvP | Tower defense | 92% | 402 | $5.39 |
| Dungeon Defenders II | Co-op, Single-player too | Tower defense | 77% | 351 | Free |
| Dungeon Defenders | Co-op, Local / split-screen | Tower defense | 93% | 284 | $14.99 |
| Orcs Must Die! 3 | Co-op, Single-player too | Tower defense | 86% | 161 | $29.99 |
| Age of Darkness: Final Stand | Co-op, Single-player too | Tower defense | 77% | 176 | $27.99 |
| Orcs Must Die! Deathtrap | Co-op, Single-player too | Tower defense | 72% | 201 | $29.99 |
| Bloons TD 5 | Co-op, Single-player too | Tower defense | 95% | 153 | $9.99 |
| Orcs Must Die! 2 | Co-op, Single-player too | Tower defense | 93% | 34 | $14.99 |
| Dungeon of the ENDLESS™ | Co-op, Single-player too | Tower defense | 86% | 61 | $11.99 |
| Ninja Kiwi Archive | Co-op, PvP | Tower defense | 94% | 89 | Free |
| Sanctum 2 | Co-op, Single-player too | Tower defense | 90% | 15 | $14.99 |
| Element TD 2 - Tower Defense | Co-op, PvP | Tower defense | 90% | 44 | $14.99 |
| DG2: Defense Grid 2 | Co-op, PvP | Tower defense | 86% | 32 | $9.99 |
| GUNS UP! | PvP, Single-player too | Tower defense | 75% | — | |
| Sky Clash: Lords of Clans 3D | PvP | Tower defense | 77% | 32 | |
| X-Morph: Defense | Co-op, Local / split-screen | Tower defense | 92% | 13 | $19.99 |
| ENDLESS Dungeon™ - Definitive Edition | Co-op, Single-player too | Tower defense | 65% | 10 | $14.99 |
| Axon TD: Uprising - Tower Defense | Co-op, Single-player too | Tower defense | 89% | 21 | $19.99 |
| Space Run Galaxy | Online multiplayer, Single-player too | Tower defense | 64% | 19 | $1.49 |
| Deathtrap | Online multiplayer, Single-player too | Tower defense | 84% | 11 | $19.99 |
| Sanctum | Co-op, Single-player too | Tower defense | 89% | 4 | $9.99 |
| METAL SLUG DEFENSE | Online multiplayer, Single-player too | Tower defense | 56% | 9 | Free |
| PixelJunk™ Monsters Ultimate | Co-op, Local / split-screen | Tower defense | 80% | 12 | $1.09 |
| Particula | Co-op, Single-player too | Tower defense | 70% | 6 | $29.99 |
| YORG.io 3 | PvP, Single-player too | Tower defense | 67% | 14 | $1.04 |
| AI War 2 | Co-op, Single-player too | Tower defense | 88% | 7 | $19.99 |
| Aegis Defenders | Co-op, Local / split-screen | Tower defense | 79% | 4 | $19.99 |
| Toy Soldiers: Complete | Co-op, Single-player too | Tower defense | 80% | 6 | $14.99 |
| Atom Zombie Smasher | Co-op, Local / split-screen | Tower defense | 90% | 1 | $9.99 |
| One Troll Army | Online multiplayer, Single-player too | Tower defense | 86% | 3 | Free |
| Tower Wars | Co-op, PvP | Tower defense | 72% | 1 | $7.99 |
| CastleStorm | Co-op, Local / split-screen | Tower defense | 89% | — | $9.99 |
| Dungeon Defenders Eternity | Co-op, Single-player too | Tower defense | 50% | — | |
| Iron Brigade | Co-op, Single-player too | Tower defense | 85% | 2 | $14.99 |
| Terrorhedron Tower Defense | Co-op, Single-player too | Tower defense | 84% | — | $1.99 |
| No Creeps Were Harmed TD | Co-op, Single-player too | Tower defense | 89% | 3 | $19.99 |
| Anomaly 2 | Online multiplayer, Single-player too | Tower defense | 79% | — | $2.99 |
| Project RTD: Random Tower Defense PvP | PvP | Tower defense | 49% | — | Free |
| Sol Survivor | Co-op, PvP | Tower defense | 91% | 2 | |
| Fire With Fire Tower Attack and Defense | Co-op, PvP | Tower defense | 47% | 3 | |
| Death Crown | Co-op, PvP | Tower defense | 89% | 1 | $12.99 |
| Cubemen | Online multiplayer, Single-player too | Tower defense | 71% | 1 | $3.99 |
| Guardians of the Sanctree | Co-op, Single-player too | Tower defense | 77% | 2 | $19.99 |
| Frontline Crisis | Co-op, Local / split-screen | Tower defense | 90% | 2 | $5.99 |
| TailQuest Defense | Co-op, Local / split-screen | Tower defense | 95% | 3 | $9.99 |
| Battle Brawlers | PvP, Single-player too | Tower defense | 58% | 2 | Free |
| Oil Rush | PvP, Single-player too | Tower defense | 57% | — | Free |
| Paper Planet | Co-op, Local / split-screen | Tower defense | 87% | — | $14.99 |
| PixelJunk™ Monsters 2 | Co-op, PvP | Tower defense | 66% | 1 | $1.49 |
| Band of Defenders | Co-op, Single-player too | Tower defense | 51% | — | $9.99 |
| Cubemen 2 | Online multiplayer, Single-player too | Tower defense | 69% | — | $7.99 |
| Towers of Altrac - Epic Defense Battles | Co-op, Single-player too | Tower defense | 59% | — | $0.99 |
| Jet Set Knights | Co-op, PvP | Tower defense | 82% | — | $9.99 |
| Nectar of the Gods | PvP, Local / split-screen | Tower defense | 81% | — | Free |
| Scavenger of Dunomini | Co-op, PvP | Tower defense | 100% | — | $5.99 |
| Scrapshoot | Co-op, PvP | Tower defense | 100% | — | $4.99 |
| Toaster Defense | Co-op, Local / split-screen | Tower defense | 100% | — | $4.99 |
| HexeD | Co-op, PvP | Tower defense | 91% | — | $5.99 |
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