Invasion Defender is a game based on the classic and popular ‘Tower Defense’ concept. Initially Created as an experiment to learn the capabilities of C# and XNA the project evolved into a full blown game aimed at Microsoft Xbox360 Community games. It brings two new features to the genre including enemies that attack back adding to the overall challenge as well as intelligent AI who will search out for the safest route from A to B increasing the need for tactical planning.

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PC version Dropped...


Though we said initially Invasion Defender would also be released on PC, we have now thought better of it. Largily becuase the way we built the engine made it very difficult to port and it required quite alot of work to make the switch.

Not only this but it is a tower defence game on an XNA engine which was built specifically for it, and in that sense it does a good job. But, it is a tower defence game, there are too many of them anyway and we only did a tower defence game because its a simple concept which we used to learn XNA and production methods ,its capabilities and in some cases how not to do things.

We as developers have taken alot from the Invasion Defender experience and enjoyed making it, we also hope that, despite the rough edges those of you that have bought it enjoyed it and we thank you for your support.

Im not going to say too much about our curent project but this time we are focusing on creating a modular 2d XNA powered engine, which most certainly will be both flexible and cross platform, taking into account the many lessons learnt from the Inv:D development cycle.

I hope in the coming weeks we will be in a position to show our current work off on these pages and hope that we receive the same level of support as we did for Invasion Defender from the various gaming communities.

Many Thanks,


Invasion Defender Update 1 week after release

Invasion Defender Update 1 week after release


Well its been a good week, Invasion Defender has been selling well and has had a number of reviews written about it, all positive which can only be a...

Invasion Defender goes Live on Xbox360

Invasion Defender goes Live on Xbox360


At 6am on Saturday 30th January 2010 Invasion Defender went Live on Xbox Community games. The game can be downloaded for 240 points and is the first game...


this looks alsome

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Invasion Defender
ZiCorp Studios
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