Tengen

Background
Tengen, Inc. was a home subsidiary of Atari Games Corporation that was originally formed in 1987 to release home console games. Most of the NES games were unlicensed games and were not licensed by Nintendo, due to a court ruling that was filed in 1988 over a dispute of the Tetris rights, although the first three of Tengen's NES titles, Gauntlet, Pac-Man and R.B.I. Baseball was licensed by Nintendo in early printings before becoming an unlicensed publisher. It later went on to produce hit titles for the Genesis, Master System and the Game Gear, like the best-selling titles Hard Drivin ' , Ms. Pac-Man and Klax. In 1994, the lawsuit was settled, with Atari Games again becoming a Nintendo license, and two months later, it became the console division of Time Warner Interactive.

1st Logo (1988-1994)
Logo: On a black background, we see the text "TENGEN" in a Serpentine font, and below it was the text "PRESENTS" in a blocky font.

Variants:
 * On some early games, like the NES games of Gauntlet, Vindicators, Klax and the Tengen version of Tetris, the logo was placed on top of the title screen.
 * On the Genesis games of Hard Drivin '  and Race Drivin ' , the logo was shown above the Sterling Silver Software/Polygames logos.
 * On the unfinished NES game of Xybots, the text is sky blue.
 * On the Genesis game of Dragon's Fury, the text shines in a gradient.
 * On the Genesis game of Davis Cup Tennis, the logo shares the screen with the Loricel logo.
 * On the NES games of Super Sprint and Toobin', the text is in a gradient. On the latter game, the logo slides up and then shines.
 * On the Genesis game of Grind Stormer or V-Five, the text is in a gradient.

Technique: None.

Music/Sounds: None or the opening theme of the game.

Availability: Seen on many unlicensed NES, TurboGrafx-16, Master System, Genesis and Sega Genesis games from the company, such as Klax, the RBI Baseball series (except the first one), Davis Cup Tennis and the Japanese Mega Drive version of Marble Madness, among others.

2nd Logo (1989-1991)
Logo: On a background, we see a black rectangle with a  dot, with two lines on the left side and on the right side. On the bottom right is the word "TENGEN" in the same font as the first logo. On the top right is some copyright information.

Variants:
 * The unfinished and unlicensed NES port of Hard Drivin'' had the logo on a black background, with the text in white and credits appear instead on the top right.
 * On the Amiga and Atari ST games of Gauntlet III', the logo is on a box, and it is placed within the title screen.

Technique: None.

Music/Sounds: None or the opening theme of the game.

Availability: Seen on the unlicensed NES games of Road Runner and the unfinished version of Hard Drivin '  and the Amiga and Atari ST games of Gauntlet III: The Final Quest.

3rd Logo (1993)
Logo: On a white background, the Tengen logo from before fades in onto a black background. The text "PRESENTS" is shown below. Then the background fades to and the Tengen logo fades to black, before fading out completely.

Technique: 2D sprite animation.

Music/Sounds: None.

Availability: Only seen on the Sega Genesis game of Gauntlet IV.

4th Logo (1993-1994)
Logo: On a black background, we see the same shape from before, except it is colored. The Tengen logo appears in 3D zooming up, in gradient, with a spark on the top. The word "Presents" in script fades in on the top right.

Variants:
 * A still version exists on Dragon's Revenge, where a copyright is shown below the logo.
 * On the Genesis game of Prince of Persia, the logo is still and it was shown without the red shape.

Technique: 2D animation.

Music/Sounds: None.

Availability: Seen on the Sega Genesis games of Awesome Possum Kicks Dr. Machino's Butt, Dragon's Revenge and Prince of Persia.

5th Logo (1994)
Logo: On a black background, an outline of the Tengen logo from the previous logos is shown. The text shines and fills in with before back to outlines. The text "PRESENTS" and Sega licensing info is shown below the logo.

Technique: 2D sprite animation.

Music/Sounds: None.

Availability: Seen on the Genesis game of Grind Stormer or V-Five.