War Builder League

Early access

Action · Building · Robots

“Build and Fight” multiplayer for mature players. Build your own Machine, join combat and win the battle using tactics and strategy.

Who can play

SteamPrice on SteamPlay free

Free to play

58%

Mixed on Steam

Steam Deck Playable

Steam lists online multiplayer for PC. Free to play. Player counts are not confirmed yet. 58% positive of 180 Steam reviews.

Play modes here come from the Steam store listing, which does not give player counts. How we check facts

Updated October 27, 2026

Does War Builder League have couch co-op?: No same-screen play is confirmed. The Steam listing does not include it on PC. Online play is the way to play it together.
Do you need two copies of War Builder League?: No. It's free to play.
What platforms is War Builder League on?: PC.
Does War Builder League work on Steam Deck?: Yes, with some extra steps: Steam rates it Playable for Steam Deck.
Is War Builder League free?: Yes, it's free to play.

Building Destruction
2+
PC
Online for 2+. On PC. Mostly positive: 74% of 120 Steam reviews.
BLOCKADE 3D
32
PC
Free to play
Online for 32. On PC. Free to play. Mixed: 58% of 25,000 Steam reviews.
Rust
8
PC
PS5
+1
Online for 8. On PC, PS5 and Xbox. Very positive: 87% of 1,200,000 Steam reviews.
World of Sea Battle
2+
PC
Free to play
Online for 2+. On PC. Free to play. Mostly positive: 75% of 9,400 Steam reviews.
Ratz Instagib
2+
PC
Online for 2+. On PC. Very positive: 90% of 2,500 Steam reviews.
Crossout Remastered
16
PC
PS5
+1
Free to play
Online for 16. On PC, PS5 and Xbox. Free to play. Mostly positive: 74% of 70,000 Steam reviews.
Airship: Kingdoms Adrift
2+
PC
Online for 2+. On PC. Mostly positive: 75% of 910 Steam reviews.
CM-SS13
2+
PC
Free to play
Online for 2+. On PC. Free to play. Mixed: 66% of 180 Steam reviews.
Sandbox World
2+
PC
Online for 2+. On PC. Mostly positive: 74% of 140 Steam reviews.
Task Force
2+
PC
Online for 2+. On PC. Mostly positive: 72% of 300 Steam reviews.
Counter-Strike
32·32
PC
Online for 32, same room for 32. On PC. Overwhelmingly positive: 96% of 170,000 Steam reviews.
Drone Wars
2+·2+
PC
Free to play
Online for 2+, same room for 2+. On PC. Free to play. Very positive: 81% of 120 Steam reviews.