Use the arrow keys, WASD, or touch to move. If you are grey, then you have to wait for the round to end before you can join. Hider (Blue) : Hide! If a seeker catches you, you become a seeker. Press R or tap yourself to toggle becoming a block. If you are a block, you can cycle through different blocks by pressing 1 - 9. Seekers (Red) : Click on other players/blocks. But if you click an actual block and not a player, you lose a life. If you hit zero lives, you die, but you also regain one life every ten seconds!
