Snakes in the grass
Snakes in the grass is a simple tag game. It is played on a clean floor.
You don't need any equipment for this game.
One player is selected to be the tagger. He lies down on the floor and moves like a snake. With his arms, he can grab at other players and try to tag them. The other players are moving around on their feet and try to avoid the snakes. Any player tagged become a snake as well.
If many players participate or your playing field is quite large, you can start with several snakes.