Galaxy Online 2 Private Server Install

The SuperGO2 project serves as the primary community-driven effort for reviving Galaxy Online II, offering downloadable launchers for Windows, Linux, and macOS through its GitHub issue tracker. For server installation, the Galaxy Online II Wiki links to active community discussions, while general VPS setup, including database configuration, requires adhering to specific server file instructions. Find the project's technical details at SuperGO2 GitHub. Servers | Galaxy Online II Wiki | Fandom

Conclusion

SQL Injection: Legacy codebases often lack prepared statements. Input validation must be rigorously patched to prevent database manipulation.
Authentication: The original OAuth or IGG login tokens will not function. Administrators must implement a local registration system with hashed passwords (MD5 was common in older eras, though upgrading to bcrypt is recommended).
Cheating: As the server logic is emulated, bugs in the calculation of resources (credits, dark matter) can be exploited. Administrators must actively monitor database logs for anomalies.

Cosmetic Packs: Sell alliance banners, HQ skins, and custom titles.
QoL Boosts: Time-saver options (not combat-affecting) for builders/admins.
VIP Tools: Moderation dashboards and expanded map analytics for server operators.

Open Windows Firewall → Advanced Settings → Inbound Rules → New Rule → Port.
Open TCP ports: 8888, 8890, 80 (HTTP), 3306 (MySQL - only if remote admin).
On your router, forward those same ports to your PC's local IP (e.g., 192.168.1.100).
Get your public IP from whatismyip.com. Friends will use that to connect.

Admin & Private Server Controls

Automated Startup (systemd)

Create /etc/systemd/system/go2.service:

For many strategy gamers, Galaxy Online 2 (GO2) was more than just a browser-based MMO. It was a sprawling chessboard of diplomacy, real-time fleet maneuvers, and deep space conquest. Developed by IGG, GO2 offered a unique blend of turn-based tactical combat and persistent universe exploration. However, as with many great browser games of the Flash/Unity era, the official servers have long since dimmed their stars. galaxy online 2 private server install