15 gig download patch on PS4, you have to run through a quick 5 minute tutorial "heres how you loot shit and ping places" before you can play. It was fun, it felt VERY different than 2019's BO4 battle royale mode. Felt way more like APEX with pings, faster circle, loadout crates, gas masks, more verticality, etc. If you die (once?) you get sent to the "gulag" where you can get back in the game if you 1v1 another player and win, kinda weird/interesting.
Definitely gonna play some more, it feels very different, I sorta like the simplicity and lack of depth of BO4 br mode more but this could be really fun with friends. Teams seem to be 3s, while you can not fill your squad I didn't see a specific solo mode.