5 Offline Activation: Sniper Elite

A unique hurdle in Sniper Elite 5 is the mandatory (for online) Rebellion account. For offline activation, you can bypass this entirely. When the game first boots and asks you to log in or create a Rebellion account:

Once Steam restarts in Offline Mode, launch Sniper Elite 5 from your library. The game will complain about "No connection to Rebellion servers" for the leaderboards, but the campaign will load. You now have a valid offline activation. Sniper Elite 5 Offline Activation

You cannot activate a game offline for the first time. You must: A unique hurdle in Sniper Elite 5 is