Handslap is a game for 2 players. You can choose whatever arm you want and compete with your friends. Red side is one that is attacking, blue side need to dodge that attack. Players change sides if blue side successfully dodged. To win you need to score 10 points. You earn 1 point with each successful attack you make.
Controls
Tap on your half to attack dodge on mobile On PC you need to use W and Arrow Up keys