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“Warning, meltdown imminent!”

Your mission: build defenses to kill the creeps and protect the tower.

Sounds easy enough, right?

an xbox controller with xbox game pass on a screen in the background

Don’t for one moment think that it’s not going to be a challenge.

But which are the best tower defense games for the iPhone?

It’s exciting and honestly, pretty darn addictive.

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You think I’m just going to hand the trophy over to Fieldrunners?

I’ve found a couple of challengers vying to reign victor.

Find out which games got Fieldrunners' panties in a knot, after the jump.

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Giveaway: We have 5 promo codes for every game listed here to be given away to our readers.

How do you get one?

Instructions are at the end of the post.

best iphone tower defense

If memory serves correctly, Fieldrunners was the first proper tower defense game for the iPhone.

Fieldrunners now has several maps and gameplay modes as well as some exciting new firepower in its arsenal.

Unlike other tower defense games, it doesn’t have a fixed path for the creeps to walk in.

best iphone tower defense game

This allowed a certain mode of cheating by directing the creeps back and forth the rows of guns.

Fieldrunners is the kind of game that just goes on and on.

Star Defense

A very worthy contender indeed.

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Star Defense is a stunning, graphically-intense 3D tower defense game set in space.

Your mission is to protect the universe consisting of 7 worlds from alien invasion.

Whenngmocodebuted Star Defense in WWDC earlier this year, I was blown away.

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Realistically, playing this game on my 2G iPhone isn’t optimum, to say the least.

Nevertheless, it didn’t stop my friends from constantly borrowing it just to play Star Defense.

When you’re done, hit the timer and the next wave of creeps will emerge.

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There is a fixed pathway so you’ll know exactly where the creeps will start coming from.

Having shown you the galaxy map with 7 worlds to protect, a finishing point was implied.

This game puts the pressure on you early.

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In other words, you have a mission and this game isn’t entirely just for fun.

You sort of have to finish it.

Star Defense [iTunes Store link] is available from the iTunes Store at $0.99.

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Geo-Defense (GD, for short) offers the same jot down of gameplay as Star Defense i.e.

GD Swarm, on the other hand, allows you to forge your own pathway – akin to Fieldrunners.

All I can say for both of these games is: don’t be fooled by the simplistic graphics.

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It’s bleeding chaotic!

The creeps come out through the green hexagon and move toward the red one.

And since the starting and end points are hexagons, there are obviously multiple entries and exits.

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Static images don’t justify the awesomeness of the gameplay.

You have to try it for yourself.

Graphically, the game is way up there with Star Defense and Fieldrunners.

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They come in pretty handy if the creeps managed to pass by your turrets unscathed.

Nevertheless, the feeling of satisfaction you get after killing every wave of creeps is roughly the same.

The game is also mission-based that is rewarded by playing it frequently.

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TriDefense

Probably the toughest and most challenging tower defense game for the iPhone, hands down.

There is a reason why it’s called TriDefense – creeps attack from the ground, air and water.

There are also multiple entry sites, which is what makes this game really difficult to win.

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Entry sites are indicated by waves on the sides of the screen.

Yup, that’s pretty mind-blowing.

TriDefense allows you to manipulate the map.

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However, air-borne creeps continue to travel as the crow flies.

It takes a dedicated player to win it; so it offers long-term gaming possibilities.

At $2.99, TriDefense [iTunes Store link] is a steal for hours of fun it provides.

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There is a free version available [iTunes Store Link] that packages the tutorial and Mission:01.

Giveaway: We have5 promo codesforeach gameto give away!

Valid for US iTunes Store accounts only.

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To get your hands on any one of these exciting tower defense games, either:

1.

You’re only allowed to chooseone.

Don’t forget to slide in your email so that we can get in touch with you.

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The giveaway will endafter we get 100 requestson Christmas day.

Winners will be chosen randomly.

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