Mental Games
Here's a list of primarily mental games, with not a lot of sweatinvolved. Most of these are good for indoor games.
Note thatthese categories are pretty fluid and there is a lot of overlap betweendifferent ones. Where applicable I've cross-referenced similar games.
Camping Trip
Car Games
Doggy Doggy Where's Your Bone
Four Corners
Grapevine
Heads Up Seven Up
Honey Do You Love Me?
Mother May I?
Ship Captain
Simon Says