From publisher blurb:
Even adventurers need a break from the main adventure. This supplement presents a set of minigames of chance to play within your larger campaign, as well as one of two possible locations to set them in. Win it all, lose it all, or steal it all back; experience them in-character or even out of character! Let's play some games of chance! prepare to invade.
You'll find the following within this compendium's 29 pages:
Minigame guidelines, from playing opponents and suggestions for non-physical stakes.
13 minigames, including games of cards, dice, and fortune for all kinds of player combinations.
22 items for gamblers, from the coin-flipping Orb of the All or the Nothing to the gold-hungry Maw of Avarice.
2 monsters, including the animated slot machine gone rogue.
7 pages of details for the Golden Hoard Casino and delightful Scintella Faire, including locations, 20 encounters, extra games, and the powerful people who run them.