Re5 Online Fix -

You cannot always invite directly from the Steam overlay. Instead, start the level, press your Steam Overlay hotkey (Shift+Tab), find your friend in the list, and select "Invite to Game" .

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You need to forward UDP ports 27000-27050 (Steam general) and 29060 (RE5 specific). re5 online fix

Standard invites can often lead to "Game Session Has Been Cancelled" or softlocking. A more reliable "helpful story" for connecting is as follows: Host a Public Game : One player starts a session and sets the party to Avoid Private Slots You cannot always invite directly from the Steam overlay

It often fixes the bug where incorrect country flags are displayed next to player names in the session list or on leaderboards. Other Notable "Fix" Features start the level