Overkill Apache is another very addictive helicopter game. You fly an apache helicopter over a convoy and engage in battle with other helicopters, jets and even battle it out with ground fire. You control your copter with your keyboard, and can grab weapons supplies and health packets that are parachuted in.

Spherez is another very addictive free online game. You have to navigate your Sphere through various twists, turns and drops to reach the end goal in each level.

This is the virtual version of Labyrinth, that old wooden box game with a metal ball, and a gimbal surface controlled by two knobs. The track is very narrow, so you can fall off at any time. Rollover the Orbit gum packs to gain bonus points, but watch out for Floor Traps, Bumpers and Zappers which can throw you off.

Simcity was the first PC game I got really addicted to, back in the 1990s. The original classic game can now be enjoyed online – and for free! Now it’s got me addicted all over again … SimCity Classic Live (Note: works best in Internet Explorer)

The Helicopter Game is one of the most challenging games I’ve featured so far. It’s also one of the most frustrating. Use your mouse to make a helicopter go up and down, avoiding obstacles. This is without doubt one of the most addictive games on the Net. Some say it’s worse than crack!

Click here for my selection of the best FREE games on the Net.

Fancy a bit of golf this weekend? Complete all 18 holes of this crazy golf course in as few strokes as possible.

Boomshine is a highly-addictive Flash game. Click the screen to start a chain reaction and try to burst as many dots as needed to pass a level.

Desktop Tower Defense is possibly the most addictive flash-based puzzle-strategy game on the Web. You have to protect your desktop from waves of invaders by spending money on attacking pieces and building a maze for them to follow. Each onslaught becomes more and more challenging… How many levels can you survive?

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I’ve put together three of the most addictive games on the Web. These should keep you entertained all day long, after all that’s the main purpose of the Internet!

1. KooZac is completely and utterly addictive. Like most of the best games, the idea is simple: Falling blocks must be arranged to make the sum total you see in the top right hand corner. Use your cursor keys to move the falling blocks left and right, and speed them up by pressing Down.

When the numbers add up, the block will explode – adding more points to your score. You need to concentrate hard, as you have to do some very quick mental arithmetic to succeed.

2. Bejeweled is a classic Flash game, originally called Diamond Mine. It involves moving multicoloured gems around in order to create sets of three. Again. it’s simple, but incredibly addictive.

3. Meteor Jazz is a superb reworking of the classic arcade game. You are in charge of a hi-tech space fighter, and your mission is to nuke stray meteors and other space junk. Just gorgeous!