buru5, #kirby return to dreamland deluxe had such great co-op potential before the developers decided that every action a player does outside of puff puff, suck suck, and smack smack pauses the game for a brief moment.
obtaining a new ability pauses the game for about 1.5 seconds while Kirby does their ability dance, walking into another player automatically does a kiss-health-share thing that pauses the game, flying near another player's head lands you on them which is essentially another pause.