While in a children's hospital, I played a fun tower defense game on a Microsoft Surface with my son. I'm wondering if anyone can name this game, so that I can find out if this game, or any similar game, is available on another platform.

The game consisted of a series of rounds, in which a stream of invading space ships would attempt to make it to earth. In order to defend the planet, each of the players (one to four) would place satellites for defense.

Once placed, satellites could not be moved, though they could be upgraded or sold back. Satellites would automatically detect invading ships within their range and fire at them. Based on the hits satellites achieve, the player placing the satellite would can money with which you could buy or upgrade satellites.

Wish I could give a screenshot ... hoping that this description sounds familiar to someone.

Here is a link to a brief video of the game:

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    Sorry Eric, but we consider game identification requests like this to be off topic. For a whole host of reasons, they just don't work here unless there's a screenshot or sound clip or similar to work with. – LessPop_MoreFizz Oct 29 '13 at 22:23
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    I've added a video, can the question be opened again? – Eric Wilson Oct 29 '13 at 22:45
  • @EricWilson Perfect! It'll just take a few reopen votes, but those should be coming in shortly... – SevenSidedDie Oct 29 '13 at 22:46
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    Wow. this might be the first 'salvaged' GameID question Ive ever seen. – Ender Oct 30 '13 at 0:35
  • Funny, you were playing on the Microsoft "Table" Surface, not their tablet product. Got me confused for a minute! I think those tabletop surfaces are very rare... – allquixotic Oct 31 '13 at 5:09

The name of the game is Galactic Alliance.

Though it doesn't appear to be purchasable in the Microsoft Store, it can be purchased for the iPad. Additionally, the sequel, Galactic Alliance 2, was released for the iPad in 2012.

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    I missed by 20 minutes, but had fun researching. Here's how it went down: The video's user (nomisxid) posted this video 3 years ago just after PAX 2010 videos. There are 2 PAX conventions in 2010, but other videos were in Seattle so I just assumed. Researching Seattle PAX PRIME 2010 and Surface turned up Vectorform as Surface Game developers. Fiddling around on their blog turned up this article about Galactic Alliance HD – Amy B Oct 30 '13 at 0:05

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