Zero Hour Online V9.1.5(2020) -

Use the custom match feature to see active games. Peak times often see over 1,500 players.

The game will open a browser window to log in via Discord , Steam , or Game Replays . ZERO HOUR ONLINE V9.1.5(2020)

If you encounter errors like "Technical Difficulties" or mismatches: Use the custom match feature to see active games