Oct 02 2026
Online Duels Through Steam

Castle Arena now plays online. The host creates a lobby, for friends or public, and invites through the Steam overlay or the Invite friend button. Each player picks a faction and a perk, marks Ready, and the battle begins.
After the battle
- Rematch takes both players back to the lobby with the same faction and perk, already ready. When both ask, the next match starts on its own.
- Every match is recorded. Highlights builds a 30 to 60 second reel with the biggest fights, Rescues and falling castles.
- Clicking a point on the result charts opens the replay at that exact moment.
- Your Profile keeps your history: wins, streaks, favorite faction and results by faction, arena and opponent.
The story of how two computers stay in perfect sync is in the devlog.
— The Castle Arena team





