Psyonix will be jettisoning paid, randomised loot boxes - or Crates, as it calls them - from its hugely popular four-wheeled football game Rocket League later this year.
Crates, which are tradable, were first introduced to Rocket League in 2016 ("to fund our eSports prize pools and events", claimed Psyonix at the time). They can be acquired by completing online matches, and award a single, random cosmetic item from a set of possible options - including vehicle bodies, decals, rocket boosts, goal explosions, trails, and wheels. However, to open one and claim its contents, players first require a key.
Keys are predominantly a purchasable premium item, although a number have, to date, been included as intermittent tier rewards in Rocket League's paid Rocket Pass. The functionally similar Decryptors (which open crates but prevent item trading) also feature in small quantities as free Rocket Pass rewards, and have appeared during special events.