iPhone Screenshots


[Build, Upgrade and Sweep!]
neoDefense is a defense game set in a core of new life invaded by countless creeps. A game that is a new twist of tower defense games, something that will keep you hooked and intriguingly challenged!


Build your fortress any way you wish, upgrade weapons and let the invasions begin! And sweep them! Don’t go over yourself & think that you can always win – strategize!


This game need your brilliant idea to defeat enemies attack! Each mission has its own mind-challenging hardness, show that your enemies can never outsmart you. Use weapons, plan and destroy the invaders.


Enjoy stunning vector graphics accompanied with thrilling sound effects & animations. Be prepared for astounding visual heaven. One of the best you’ll see in a defense game.

[neoDefense FEATURES]

• Build your own fortress for incoming waves of enemies!
• More than 2,500 waves of creeps across 99 missions (And will be added more later!)
• 5 upgradable weapons to kill the creeps with style (And will be added more later!)
• There is a BOSS at the end of each group of missions (It's too hard to beat!)
• Amazing soundtrack in each group of missions
• Astounding variation of the classic defense games


Each in-app purchase can make you challenge more missions from Gamma sector.


Please contact duetblock@duetblock.com with any inquiry or feedback.

Please visit http://www.duetBlock.com for more detail.

What’s New

Version 1.0.12

- Zeta sector(15 missions) is opened.
- New type of enemy "Bouncer" has added!
- You can change game play speed from 0.1x to 16x.
- Additional effects are added.
- Bugs are fixed.

Ratings and Reviews

4.7 out of 5
334 Ratings

334 Ratings

eleven32i ,

needs some changes....

good replacement for geodefense, but i agree that it would be more fun to pause and build/start upgrades for strategy. I beat all levels of beta except bonus, but gamma level 1 is unwinable by any means. I think it's a really bad idea to have everything move so fast. it's like entire waves can come through in under 2-3 seconds. it's less strategy at this point and just how fast can i repeatedly drop and upgrade towers, which makes it less fun then geodefense was. I also would like to see my high score compared to others, as well as see if i completed the level flawlessly, or with leaks. BUT its still awesome and i would pay $5-$8 for each level pack instead of $1 easily.

update: nevermind, I beat every level, including gamma and bonus. keep difficulty high, but maybe add an easy setting. The only way to beat any of these higher levels is to stumble upon the fact that any tower built in the exit wavy circle gets double damage. very unclear on that.

Love the 80s ,

Wonderful tower defense game of the old school

Lots of beasties and cool graphics make this a fun game. Breeze through the first eight levels and then be ready to manage your resources responsibly. I’ve been looking for a simple tower defense game like GEODEFENSE and this is that game.

Hey Developers: email me your script for those in-game messages after each round and I will happily fix the English into grammatically correct sentences. Or just hire a proofreader? It’s a great game. I hate to have your English speaking audience thinking you guys don’t know what you are doing when clearly you do.

RyanC-KY ,

Love it! Addicting fun!

Really great game that has all the great qualities of a tower defense. This one is almost a replica of "geoDefense" which was a favorite of mine.

My main issue is that the first several levels are almost too easy and then I got to level 11 (treble clef level) and have literally lost at the exact same spot 32 times in a row, trying as many combinations of tower strengths and locations as I can come up with.

App Privacy

The developer, SON GIL, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

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