A dice game of luck and strategy, race against the computer (or a friend) to 10,000 points. Earn points by rolling 1's and 5's, or by rolling 3 or more of a kind, or several other special configurations worth big points. Also known under a variety of different names, Zilch is definitely one of those games that's "easy to learn, hard to master."

A marble placement, turn-based strategy game. The goal is to be the first player to place five marbles in a row. The rows can be vertical, horizontal, or diagonal. The game is a bit like Connect Four, but with a twist. Pentago is an award-winning board game from Sweden, and this Flash version allows you to play in a browser.

Attak is the game I've wanted to play since I was fourteen years old. If you ever tried to raise your power level while on the bus, and had an invisible energy duel with your buddy during class, you know what I'm talking about. Every single game ever made about Dragon Ball Z has been a lame cash-in, a modification of fighting mechanics or RPG mechanics, hobbled Frankensteins that never really grasped the dynamic of Power Level 1,000,000. Today, the brothers at JohnnyTwoShoes have delivered with sonic, accessible Flash.

Chess is a classic, easy to learn and hard to master. What would happen if chess was bitten by a zombie and then rose again as an undead shadow of its former self? You'd get Tomb Chess, an intriguing variation on the dynamic, where two ghoulish armies battle across a graveyard.

Castlewars is a Flash turn-based card battle against either a computer or live opponent where you try to build your castle up to 100 or blast your opponent's to rubble. The game is quick and easy to learn, and can be played against a friend anywhere in the world.

Quadradius is an online, multiplayer, turn-based Flash game that takes the skeleton of the board game checkers, and pumps it up with a massive list of power-ups and new strategies that turns the game into an addictive and very compelling new concept. In fact, calling it checkers is an oversimplification that does not do it any justice.

Bryon Vandiver's Multiplayer Koi Koi combines the same classic Hanafuda deck with a unique ranking system to bring the excitement of this Japanese card game to casual gamers around the world, and all within the convenience of your favorite browser.

Trick Hoops is simple game of making hoop shots with a basketball. It is a multiplayer game that can be played one-on-one with a friend over the Web. The mechanic is a simple one and won't take long to become familiar with how to do it. Perfecting shots, however, is another matter entirely and that's what makes this game so much fun.

It isn't often that I come across an addictive browser-based Flash game with which you can play against a friend over the Web. I was pleasantly surprised to find the latest game from Gamesheep is just that kind of game. Crystal Clear is a simple casual game with gameplay similar to the classic game of Lines, and yet with some subtle differences that turn the classic into a compelling two-player battle.

Balls and Walls is an absolutely fantastic game designed for the equally brilliant British band Athlete by Mortalbug and Quiet Phil. The game is extremely simplistic and very easy to get the hang of as soon as you start playing. Multiplayer mode is where the game's real beauty lies.

Manuel Fallmann's latest offering on his MINDistortion site is a turn-based strategy game against the CPU, or a human opponent at the same computer. The object of Quarkz is to be the first player to reach the number of points designated as the victory condition by adding particles to the...