52 Pickup is a simple coordination game for only one person. It will be quite boring when played in isolation, but can be part of a larger activity.
You need one deck of playing cards.
The procedure is quite simple: One person drops a deck of cards on the floor; the cards should spread on the floor a bit. Then, the time is taken how long it takes to collect the cards. Several people can participate one after the other - the fastest person wins.
If you have an adequate deck available, you can add a task to sort the deck after taking it up. For that, you might have to define the correct sorting order.