Thunder Force (video game)

Thunder Force (サンダーフォース, Sandā Fōsu) is a free-roaming scrolling shooter computer game released by Technosoft in 1983. It is the first game in the Thunder Force series. It was initially released for the Sharp X1 computer, and later appeared on the Sharp MZ-1500, NEC PC-6001 mkII, and in 1985 on the NEC PC-8801 mkII. In 1984, it was released for the FM-7 and NEC PC-9801 computers as Thunder Force Construction, featuring an add-on that allowed players to create custom made areas, like a level editor or game creation system.

Story

The ORN Empire (antagonists of the game) has built a large asteroid fortress named the Dyradeizer to oppose the Galaxy Federation. In addition to its high firepower capabilities, Dyradeizer is supported by shield generators hidden in various locations by ORN, which render the fortress invisible. In an attempt to destroy Dyradeizer, the Galaxy Federation sends their specially designed fighter, the FIRE LEO (controlled by the player), to locate and destroy the shield generators and defeat Dyradeizer.

Galaxy Force

Galaxy Force may refer to:

Thunder Blade

Thunder Blade (サンダーブレード, Sandāburēdo) is an arcade, flight-based, third-person rail shooter originally released for video arcades in 1987. In the game, players control a helicopter to destroy enemy vehicles.

The game was released as standard stand-up arcade cabinet that introduced the use of force feedback, as the joystick vibrates during gameplay. A sit-down unit was also released, replacing the force feedback with a seat that moves in tandem with the joystick.

Versions of the game were later released for the Sega Master System, Amiga, Amstrad CPC, Atari ST, Commodore 64, DOS, MSX, TurboGrafx-16, Sharp X68000 and ZX Spectrum. The Nintendo 3DS remake was released as a 3D Classic in Japan on August 20, 2014, in North America and Europe on May 14, 2015, and in Australia on July 2, 2015.

A follow-up, Super Thunder Blade, was released exclusively for the Sega Mega Drive/Genesis.

Gameplay

The game's plot and setting resembles the 1983 film and 1984 TV series of Blue Thunder. The player controls a helicopter using guns and missiles to destroy enemy tanks, helicopters, etc., to save his home country. Levels are in both a top-down or third-person perspective view. The boss levels are in the top-down view.

Galaxy Force (video game)

Galaxy Force (ギャラクシーフォース) is a sprite-scaling rail shooter arcade game, released by Sega in 1988 and built upon the Sega Y Board. The game which is in the tradition of Sega's successful Space Harrier is set in space. The game was ported in 1989 to the Sega Master System and in 1990 to the Mega Drive/Genesis, Amiga, Atari ST, Commodore 64, Amstrad CPC, ZX Spectrum, FM Towns, Sega Saturn and PlayStation 2 platforms.

Two other versions of the arcade game were released as Galaxy Force II Deluxe Edition and Galaxy Force Super Deluxe Edition. Galaxy Force II was also released on the Virtual Console via Sega Genesis/Mega Drive in Japan on February 3, 2009, in Europe on May 1, 2009 and in North America on May 11, 2009.Galaxy Force II was released on Nintendo 3DS as part of the 3D Classics series. It was released in July 2013 in Japan and in December 2013 in Australia, Europe and North America.

Plot

The evil Fourth Empire, ruled by Halcyon, begins a campaign of galactic conquest, after laying waste to almost all of the star systems in the galaxy, An interstellar organization, known as the Space Federation, launches Galaxy Force, an elite starfighter corps specializing in space combat to free the galaxy from the oppressive rule of Halcyon and the Fourth Empire. A lone fighter wages a one-man war against Halcyon and his forces.

Thunder

Thunder is the sound caused by lightning. Depending on the distance and nature of the lightning, thunder can range from a sharp, loud crack to a long, low rumble (brontide). The sudden increase in pressure and temperature from lightning produces rapid expansion of the air surrounding and within a bolt of lightning. In turn, this expansion of air creates a sonic shock wave, similar to a sonic boom, which produces the sound of thunder, often referred to as a clap, crack, or peal of thunder.

Cause

The cause of thunder has been the subject of centuries of speculation and scientific inquiry. The first recorded theory is attributed to the Greek philosopher Aristotle in the fourth century BC, and an early speculation was that it was caused by the collision of clouds. Subsequently, numerous other theories were proposed. By the mid-19th century, the accepted theory was that lightning produced a vacuum.

In the 20th century a consensus evolved that thunder must begin with a shock wave in the air due to the sudden thermal expansion of the plasma in the lightning channel. The temperature inside the lightning channel, measured by spectral analysis, varies during its 50 μs existence, rising sharply from an initial temperature of about 20,000 K to about 30,000 K, then dropping away gradually to about 10,000 K. The average is about 20,400 K (20,100 °C; 36,300 °F). This heating causes a rapid outward expansion, impacting the surrounding cooler air at a speed faster than sound would otherwise travel. The resultant outward-moving pulse is a shock wave, similar in principle to the shock wave formed by an explosion, or at the front of a supersonic aircraft.