Jan 31, 2011 10:30 GMT  ·  By

Realtech VR has officially released an HD version of its popular PSP game, No Gravity, for Mac OS X. Exclusively downloadable via Apple’s new Mac App Store, the game costs just $3.99 - special introductory price.

Originally released as a PSP game on the PlayStation Network, No Gravity offers fast-paced action as players work their way through dozens of missions in a spaceship, in an attempt to save their people.

The game pits players against evil forces who have unleashed a mind-altering sickness across thousands of colonies.

A popular favorite with PSP players, the Mac port takes advantage of HD displays opening the world of No Gravity to desktop users.

Players can choose from five different spaceships and two levels of difficulty, while each ship comes equipped with six weapons, from lasers to ion blasters.

According to Realtech VR, these are just some of the features you get when you download No Gravity for Mac OS X:

* Incredible, fast-paced, non-stop action * This is the HD version of the PSP for Playstation favorite * Full frame rate * Massive explosions and damages * Play in first or third person view * Select from 5 characters and 5 space ships * Each ship available in 4 different colors * Choose from 6 different, awesome weapons * 31 mission levels to play * 2 difficulty modes to test your skills * Reward system with achievements to unlock * High definition, 3D engine optimized for the Mac * HID device support for keyboards, multiple buttons mice, joysticks, etc. * Immersive audio with OpenAL multichannel and ASA Extension support.

No Gravity requires OpenGL 2.0 or better (Geforce 8x or ATI Radeon HD), an Intel Core 2 CPU running at 2 GHz, 512MB of RAM, 256MB VRAM, and Mac OS X 10.6 or later.

An 89MB download, No Gravity 1.0 is currently available worldwide, exclusively through the Mac App Store in the Games category, for just $3.99 (USD).

Download No Gravity (HD) for Mac OS X

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No Gravity HD for Mac - promo material
No Gravity gameplay screenshot
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