Navigate to your Anno 1800 folder in the "Documents" directory. Look for a folder labeled "mods" or "modio." Deleting the temporary cache files inside (not your downloaded mods) often kickstarts the browser. When you relaunch the game, it will attempt to create a fresh connection to the server. Relog into Mod.io
Sometimes the local data stored by the mod browser becomes "stale" or corrupted, preventing new data from loading. You can manually clear this cache to force the game to refresh the list.
The Mod Browser requires a stable internet connection to fetch data from api.mod.io and assets.mod.io . If your firewall blocks the game's executable, the browser will time out. anno 1800 mod browser not loading
Since the mod browser is an online feature, the first place to look is your connection. Even if your internet is working fine for browsing the web, specific security settings might be blocking the game's access to the Mod.io servers.
The single most common reason for the Mod Browser failing to load is an issue with the Ubisoft Connect overlay or account status. Unlike Steam Workshop, Anno 1800 uses mod.io, which is integrated directly into Ubisoft’s ecosystem. Navigate to your Anno 1800 folder in the
While you’re troubleshooting, remember: You can still mod Anno 1800 manually.
Once you’re back in, happy building — and may your trade routes never clog. Relog into Mod
The mod browser requires an active handshake between your Ubisoft account and Mod.io. If this session expires or glitches, the loading circle may spin indefinitely.
The in-game browser is convenient, but it’s not the only way.