Exploding Kittens is basically Russian roulette with cards, and the NSFW Edition swaps in artwork that was too crude for the original family-friendly version. It is the cheapest way to add explosive, mean-spirited fun to an adult table, and that low price makes it an easy add-on rather than a big commitment.
Rounds run about 15 minutes for 2 to 5 players, so it slots in as a filler between longer games or carries a whole evening of friendly betrayal on its own. The rules are simple enough to explain in under a minute: draw cards, avoid the exploding one, backstab your friends to survive.
The catch is that it is strictly ages 17 and up, so this is not the pick for a mixed family table, and its scope is smaller than a full-blown party game with hundreds of cards. Judge it for what it is, a quick, gleefully mean filler, and it delivers exactly that.