No, skins in Sniper Arena don't affect gameplay, they're purely cosmetic, matches come down entirely to aim, positioning, and map knowledge.

The difference between a Release Case and a Secret Case is that a Release Case pulls from skins across 33 different snipers with a small Mythic chance, while a Secret Case is rarer overall, with the best cosmetics landing at roughly a 0.2% chance.

Yes, you can trade or sell skins you don't want, Sniper Arena has a player market specifically for trading and selling duplicate skins.

Yes, you keep the Cases, Bundles, and skins included with my purchase, exactly as shown in the listing.