Welcome!

Here we have a (small) assortment of newly-developed games. So far, they are all based on the premise of using standard playing cards to make something interesting and challenging.

Boulesless - a homebrew game of boules for when you have no boules May 2020
1440 words
can be anything that is even vaguely throwable, ranging from bottle caps to pine cones to footballs to tennis rackets, shoes or twigs.
Cardbot Derby December 2017
1729 words
use a standard deck of playing cards to enter a world of more or less out of control cardbots
Pouches of Destiny June 2017
2479 words
use a standard deck of playing cards to enter a world of garbage and marsupial desperation

Inspirations

Non standard, standard-cards-only games Lamarckian Poker by CheapAss Games, which comes as part of a set of standard-cards-only games. (boardgamegeek)
Multi-layered use of cards Race For The Galaxy (boardgamegeek)
Synergies between cards Dominion (boardgamegeek)
Interesting mechanics RoboRally (boardgamegeek)
Carcassonne (boardgamegeek)

Other reading