Multiplayer tower defense games for PC/Windows with 4-player support

Garda

Players: 5 local, 0 online

Hell Warders

Players: 0 local, 4 online

Defenders of the Fallen Island

Players: 0 local, 4 online

Dungeon Defenders: Going Rogue

Players: 0 local, 4 online

Private Property

Players: 0 local, 4 online

The Guardian Stone

Players: 0 local, 4 online

Defenders: Survival and Tower Defense

Players: 0 local, 4 online

Mindustry Classic

Players: 0 local, 16 online

Bloons TD 6

Players: 0 local, 4 online

Voodolls

Players: 0 local, 4 online

Keep Keepers

Players: 4 local, 4 online

Rogue Star Rescue

Players: 2 local, 4 online

Forge Squad

Players: 4 local, 0 online

Element TD 2 - Multiplayer Tower Defense

Players: 0 local, 8 online

Monster Outbreak

Players: 2 local, 4 online

Legion TD 2 - Multiplayer Tower Defense

Players: 0 local, 4 online

Lesson Learned: Cult of the Elizabeth

Players: 4 local, 0 online

TDS - Tower Defense Strategy

Players: 0 local, 4 online

No Heroes Here 2

Players: 0 local, 4 online

Lesson Learned

Players: 4 local, 0 online

Final Stand: Ragnarök

Players: 0 local, 10 online

Elven Assassin

Players: 0 local, 4 online

Blitz in the Paper Kingdom

Players: 4 local, 0 online

VOIDCRISIS

Players: 0 local, 4 online

Tavernacle!

Players: 4 local, 4 online