These TV games are a real snap.

• Position: WHAT'S NEW? Holiday Gift Guide - Snap TV

Trivia games have an enduring popularity. Most of us, inherently, want to challenge ourselves, flex our brains to see what we remember and, not coincidentally, show off a little bit. Thanks to the proliferation of portable DVD players, GameSnacks, a new line of travel trivia games from Snap TV, allow you to be ready for a contest wherever you go.

Kids Trivia was composed by kids for kids, with topics that include cartoons, pop culture, and toys. Family Showdown lets youngsters play against adults, with both groups able to play at their own level. Pop Culture, made for teens and older, covers musicians, celebrities, and scandals. Gender Wars pits the guys against the girls on such subjects as makeup, fashion designers, automobiles, and sports.

Each GameSnack ($9.99) has single and multi-player options with six separate games on the DVD. With more than 1,000 randomly generated questions, the challenge is different every time you play.

Snap TV's MLB Grand Slam Trivia ($24.95) is action-packed with questions and footage of the best players, coaches, and rivalries in baseball. It features hundreds of questions from the 19th century through the present and more than 500 video highlights. Multiple levels of difficulty, with questions ranging in value from...