In games, Valve (and other companies) lets players spend real money on randomized rewards resembling a slot machine’s risk/reward loop. Valve generated billions, according to the court document, by selling “keys” to unlock these boxes and then allowing players to trade or resell won items on the Steam Marketplace, effectively connecting the virtual economy to real-world value.

The argument is that these rare items, whose perceived value can be monetized or resold, convert these mechanics into gambling under state law, which is intended to be tightly regulated or prohibited. The lawsuit seeks restitution for players, tripled fines on alleged illegal gains, and a permanent injunction against loot-box promotion.

Importantly, the legal argument seems to hinge on the transferability of value and real-money marketplaces.