Everyone shown is online in Halo Wars 2 right now — that's accurate in real time.
The specific activity (matchmaking vs campaign vs firefight, the mode, the leader) can
lag 0–5 minutes, so a card may briefly show a player's previous game just after they switch.
Nobody in Halo Wars 2 right now — of the players we track.
Recently offline — stopped playing HW2 in the last hour