The holiday table is a different problem
A holiday game night isn't a normal game night. You've got a crowd instead of your usual group, ages ranging from grandparents to little kids, people who game a lot next to people who haven't touched a board game since childhood, and — the part everyone forgets — a dining table that's busy holding dinner. Planning for those constraints up front is the difference between a night everyone remembers fondly and a game that stalls out in a rules argument while half the family drifts to their phones. The good news is none of it takes special gear, just a bit of foresight about games, space, and pacing.

Choose games that scale to a crowd
The single biggest mistake is bringing out a game built for four when eight people want to play. Pick for the player count and the mixed ages, not for your favorite title:
- Team-based games let a big group play together and quietly pair a rules-savvy relative with someone who's never played, so nobody feels lost.
- Party games — drawing, guessing, word, and trivia games — scale to large groups easily and don't punish players for skipping a turn to help in the kitchen.
- Cooperative games where everyone works together sidestep the sore-loser problem that can sour a family table.
- Leave the heavy strategy games on the shelf. A dense two-hour euro with a thick rulebook doesn't fit a crowd of mixed experience, and the teach alone will lose the room.
- Have a couple of quick, simple games ready for the youngest players so they're never stuck waiting for the grown-ups' game to end.

Solve the table-space problem
The dining table is the obvious place to play and the one place you often can't use, because it's set for dinner or still covered in dishes. Plan a second surface so games aren't hostage to the meal. A folding table or a card table opens up a dedicated play area away from the food, and it means the kids' game and the adults' game can run at the same time. If you do play on the good dining table, protect it: a large playmat or a table topper laid over the surface guards the finish and the tablecloth from drinks, dropped forks of pie, and the general wear of a long night, while giving you a soft surface that makes cards easy to pick up. Getting the game off the dinner table also lets someone clear and reset dinner without ending game night.

Teach the rules fast
Nothing loses a holiday crowd faster than one person reading a rulebook aloud to a restless table. Relatives who don't game regularly will tune out, and the kids will be gone before you finish setup. Teach by playing instead: explain just enough to start, deal a quick practice round or two with cards face up, and let people learn the game by doing rather than by listening. Cover the goal of the game and the single thing a player does on their turn, then fill in the exceptions as they come up. For anything with real depth, play the first round as a no-stakes trial and let everyone take mulligans. A crowd will happily learn a game they're already playing and will happily walk away from one that's still being explained.

Keep shared components reachable
With six or eight people around a table, the person across from the deck can't reach it, and the shared bank of cards, tokens, and dice ends up getting passed hand to hand or knocked over on the way. A lazy Susan in the middle of the table fixes this neatly: put the shared draw pile, the scorepad, the dice, and any communal bits on it, and anyone can spin what they need into reach without leaning across the whole table or asking three people to pass things. It's a small addition that removes a constant low-level friction at a crowded table, and it doubles as a way to keep the snacks moving without anyone reaching over the board.
Keep drinks off the table
A big crowd means a lot of glasses, and a holiday table is crowded with components, snacks, and elbows. Drinks are the top spill risk, and a spilled drink across a hand of cards or a shared board is the classic way a night ends early. Clamp-on cup holders at the table edge get every glass off the play surface and out of the reach of stray elbows, so a knocked drink goes over the side instead of into the game. It's a cheap fix that matters more the more people are packed around the table, and it's especially worth it with kids in the mix, where a bumped cup is a question of when, not if.
Manage energy and game length
A holiday night has a natural arc, and matching games to it keeps everyone engaged. Loud, silly party games are perfect early, when energy is high and everyone's fresh from dinner. After the meal, when people get quiet and full, that's the moment for a calmer, shorter game rather than launching into something long. Manage length actively: set expectations before a game starts so nobody's surprised by a two-hour commitment, use sand timers to keep turns moving when someone's prone to analysis paralysis, and pick a graceful stopping point at the end of a round, not the middle. And keep the kids involved without letting them derail things: pair a younger child with an adult on a team, give them a real job like handling the dice or the timer, and have those quick simple games ready so they've always got something of their own to do.