Kubb is a Swedish lawn game — you throw wooden batons underarm to knock over your opponent's blocks, then finally the king in the middle. It takes two minutes to learn.
Two teams, one device. Toss your fallen kubbs over yourself, then hurl the batons. Fell the King last — fell him early and you lose.
No one's about. Play the house team instead?
Sharpen your arm against the house team. No server needed — practice works fully offline.