The concept of a room devoted to play need not apply only to homes with residents under the age of 18. Plenty of grown-ups like a little stay-at-home competitive fun and — as these 10 rooms prove — they don't need to sacrifice a great-looking space to let the games begin.
TOP ROW:
1. Joe's Industrial Milwaukee Retreat
2. Library of Swedish designer David Carlson on Marie Claire Maison
3. A ping pong table in the Ronnie & Viktoria's Roscoe Remodel
4. Emmanuel Perrotin at his gallery in Paris on The Selby
5. A game room featured on 1st Option
BOTTOM ROW:
6. Johnathan Adler and Simon Doonan's living room ping pong table in Todd Selby's The Selby Is in Your Place
7. Small Cool 2010: Adrienne's Cool Old Victorian
8. A pool/dining table in The Ultimate Bachelor Pad by Designer Mike Valles
9. Chuck Bass' apartment on Gossip Girl, designed by Christina Tonkin
10. MOTIF Modern Living
Images: 1, Elizabeth Setterfield; 2, Vincent Leroux / Time Machine; 3, 1st Option; 4, Todd Selby; 5, Evan Thomas; 6, Todd Selby; 8, James Butchart and Evan Koester; 9, Property of Malchus Janocko
Smart & Simple Small Space Solution: Angela & Tania's "Murphy Table"
Monica & Austin's Charming Bungalow
Good Food to Share 
The Big Book of Small, Cool Spaces 
Apartment Therapy Presents 
The Eight-Step Home Cure 
Ercol Bar Stool
Why I Became a 1-Gallon Homebrewer
True Greek Recipe: Paximadi Bread Salad with Tomatoes, Feta and Capers
Frankly, I'm shocked that there are not more ping pong tables featured since this is the newest trend...(we built a room for ours in one house and totally reorganized our living room in our summer house to accommodate our ping pong habit. And even "Entourage" had John Stamos say recently "Ping pong is the new billiards." )
You need A LOT of room for a ping pong table! Not so easy to incorporate. Take into consideration what FengShuiByFishgirl said:
"we built a room for ours in one house and totally reorganized our living room in our summer house to accommodate our ping pong habit."
LOL. They built a room for their ping pong table! Fantastic.
Some of those pool tables look far too close to the walls. (If I'm not mistaken, you need something like 4.5' around the entire table)