H.G.R. - The High Gravity Room Shoot as many UFOs as you can while climbing all over the place with a grappling hook.
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H.G.R. - The High Gravity Room Description

H.G.R. - The High Gravity Room was a game inspired by both the classic shooting games of the early 1980s arcade and the sci-fi novel Ender's Game. You'll constantly be battling aliens in a remarkably original, yet arcade-accurate game of shooting while climbing all over the place with a grappling hook. Beware of the Blue UFOs; they will annihilate you. Produced by Gamma Prime, and developed by sub team Marcade Systems.

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