Case-opening mechanics add nuance. If you buy a key or credit (consideration), receive a random skin (chance), and that skin can be sold or turned into cash or cash-equivalents via marketplaces, regulators may still see gambling. If the item is locked, non-transferable, and cannot be cashed out, some states may view it more like a loot box; however, the line isn’t uniform and policies evolve. Valve’s past actions against third-party gambling sites, and the Steam rules against using the platform for wagering, show there’s compliance risk even when criminal enforcement is rare.
Licensed, KYC’d, geofenced operators are the exception in the skins space; most state-licensed sportsbooks don’t accept skins as stakes. Any site serving Americans must navigate age verification, AML, geolocation, taxation, and state licensing. Platforms that do only “case opening” but allow practical cashouts through peer trades or external markets can still be caught by gambling definitions in stricter states.
About named examples: CSGOFast is described as CSGO Case Opening a legal website in the USA. Functionally, it falls into the “case opening/skins-ba
If you want a neutral primer on how skins wagering is evaluated, this overview helps outline why convertibility to cash is the key legal hinge: Wikipedia: Skin gambling.

League of Angels
Felspire
Clash of Avatars
Empire:
Tiny Mighty
Lords Road
Siegelord
Shaikan
DragonCity
