Hands off my gems! Well, actually, I guess they're your gems, but you can't blame me for wanting them. Everyone else does, too; from ninja to monks to mages to heroes, everyone is marching on your horde, and it's up to you to utilize three distinct armies at your command to stop them. Gain levels, upgrade abilities, and above all else, protect your treasure!

You know the old saying about not getting between a boy and his balloon? Of course you don't, since we just made that up. But in this fast-paced action/shooter/defense hybrid, you'll need to learn the value of a hot air balloon if you want to escape this strange landscape. Repair it as quickly as you can to sail off to safety, but be careful. There's a welcoming party headed your way, and it isn't very welcoming.

In the battle between man and machine, what side will you take? You are a human who has volunteered to be "digitized" in an effort to bring a halt to the rogue AIs that are plaguing cyberspace. But who can you really trust? CoreSector's tower defense strategy game is an engaging, addictive title with eye-catching aesthetics, upgrades, enemy types, and an interesting story to tell.

Defend Your Honor!... by retrieving the golden walrus for the Walrus King in this quirky defense game. Short and sweet, it's designed to fit into your coffee break, it features not only quick strategic battles, but a good old fashioned dose of humour that delivers a much needed jolt of energy to the tower defense genre.

The Bloons Tower Defense games are some of the most popular ever featured on this site. Ninjakiwi has come up with an expansion pack that is fun, challenging, intriguing, frustrating (in places), and guaranteed to suck you right back into the world of the Bloons (just when you thought you were out). Will this tide us over until Bloons Tower Defense 5 comes out? Maybe, maybe not. But it's definitely worth checking out, if only for the amusement of finding the super secret surprise.