Credits: Original Mod created by plasticbox on Mod the Sims, which I am updating for a long time already and now uploading here as well.
Original Text by plasticbox:
This is a set of playing cards without a table glued to its bottomside, so that sims can play cards on the tables they already have. 
You still need to put chairs around the cards (not around the random table underneath) so that sims can use them, which is easiest if you
- put down the cards somewhere empty (they will be floating at table height)
- put chairs around them
- move the whole thing over to a table (you will need moveobjects for this)
All functions are the same as on the card table; textures and some other stuff is also referenced from the card table so if they change that, this will hopefully be updated automagically.
Found in Room > Study > Indoor Activities and Function > Activities and Skills > Indoor for 35§.
Optional Addon:
I’m also attaching an (optional) texture override for the cards to be grey-blue instead of green, as seen on the screenshot above.
Polygon Counts:
High/Mid Poly : 20V/14F
High/Mid Poly Sun Shadow: 16V/12F
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Mod Support available via my Discord:
https://discord.gg/KpZsvRM