Gravity Force is a computer game released in 1989 for the Amiga by Kingsoft GmbH. It is a 2D Thrust-clone, with single player missions and a 2-player multiplayer mode. It is primarily notable for inspiring the far more popular unofficial sequel Gravity Force 2.
The aim is to pilot a spacecraft through subterranean caverns avoiding enemy fire. The ship is subject to gravity and inertia and colliding with terrain or the walls of the cave results in destruction of the ship.
Gravity Force 2
In 1994, Jens Andersson and Jan Kronqvist released Gravity Force 2 in both freeware and registered shareware versions. Innovative split-screen and serial-cable multiplayer modes resulted in a fast-paced dogfight mode and great replayability value. In 1995, the games magazine, Amiga Power, declared Gravity Force 2 the second best Amiga game of all time (behind Sensible Soccer) which resulted in great exposure for a freeware/shareware title. Amiga Power then commissioned Gravity Power, a slightly enhanced version of Gravity Force 2 which was given away on the coverdisk of issue 50. In 1996, Gravity Power was subsequently declared the second best game of all time. Gravity Force 2 and Gravity Power are both now freeware.
On September 21, 2008 the developers of Gravity Force 2 released the source code for "nostalgic interest" without specified license.
A planned sequel to Gravity Force 2 to be called gf2k was being developed by the original authors but was never completed.
Many similarly titled clones have since appeared, such as Gravity Force XNA, Gravity Jam, Gravity Power 2, Gravity Force, Gravity Strike, Gravity Fight, Gravity Wars, Gravastar, and Galaxy Forces V2. These games are generally freeware, unfinished and refer to themselves as "Gravity Force clones", rather than "Thrust-clones".
- Jens Andersson & Jan Kronqvist (2008-09-21). "The Gravity-Force 2 Homepage". lysator.liu.se. Retrieved 2013-10-13. "Jan made an archaeological expedition and recovered the GF2 source code from a dusty old floppy disc! We do not pretend it is a wonder in coding style (in fact, it is a complete disaster!), but for primarily nostalgic interest we publish it here."
- "The Gravity-Force 2 Homepage".
- Gravity Force
- Gravity Force 2
- The Gravity-Force 2 Homepage
- Gravity Force 2 at MobyGames
- Gravity Force XNA
- CD32 version
- Complex Gravity, a remake of Gravity Force adding water using the Allegro library
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