The last I had heard is that the game is not Multiplayer. There is a single seed for the entire game world (similar to sharing seeds in Minecraft). Everyone will sync with their master server, so you can be the first to find and name something and as long as your data gets uploaded people have a...
Granted it wasn't executed by "Hollywood" but Kenshin (Rurouni Kenshin) translated very well from Anime to live action IMHO. I've enjoyed each of the movies.
The hit boxes are fairly lax IMO and while you might not be as competitive as a kb/m user I think you would easily hold your own and enjoy the game. Another thing to keep in mind is the game uses a shockingly low tickrate of ~20 per second. I think I'll try out my xbone and steam controllers...
With the game being available on consoles I'd imagine the controls map over nicely. I'm not certain if you get the precision needed as the consoles likely have some aim assist enabled to compensate for it being less accurate of an input device.
A bit older but I'd highly suggest one of the stalker games. The vanilla/stock games are great but the mods available really help freshen up the graphics and extend the depth of the games.
Quite possibly the units are just now readily available through retail channels and the bulk of "early adopters" willing to pay stupidly high prices already have their units in-hand.