Exclusive keys often bundle the Season Pass. Sniper Elite 5 has three major DLC packs (Landing Force, Camouflage, and Rough Landing). An exclusive Deluxe key gives you all three plus the P.1938 Suppressed Rifle at a lower cost than buying the base game and DLC separately.
While I can't give you a free license key, you can currently find deep discounts on official platforms and verified retailers. Official Store Discounts sniper elite 5 license key exclusive
AAA titles launch at $59.99 to $69.99. Official resellers often buy keys in bulk, allowing them to offer deals for as low as $35.00 during sales. That is almost a 50% discount for the exact same product. Exclusive keys often bundle the Season Pass
You can find these editions at official retailers and authorized digital stores: Sniper Elite 5 (PC) Steam Key - GLOBAL - Gameseal While I can't give you a free license
Ending could leave room for sequel ideas, or a resolution where the protagonist successfully stops the threat but realizes the game world might still hold secrets.