Dangerous Seed

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Dangerous Seed
Dangerous Seed.png
Advertising flyer
Designer(s)Yuichiro Shinozaki
Composer(s)Yoshinori Nagumo
Platform(s)Arcade, Sega Mega Drive
  • JP: December 1989
Genre(s)Vertical-scrolling shooter
Mode(s)Single-player, multiplayer (alternating turns)

Dangerous Seed[a] is a 1989 vertically scrolling shooter arcade game developed and published in Japan by Namco. Controlling one of three different starships, the player is tasked with destroying an alien race known as the Danger Seed before they wipe out all of mankind. Each ship has their own set of weapons and abilities, such as shots that dissolve enemies and target-seeking projectiles, and can sustain multiple hits before being destroyed. The player's ships can also combine into a new ship, the Moon Diver, featuring a stronger shield and additional weapons. It ran on the Namco System 1 hardware.

The game was designed by Yuichiro Shinozaki, a character artist for Namco's own Babylonian Castle Saga franchise, with music composed by Yoshinori Nagumo. Early versions of the game were known as Kristallkern, which remains in-game during the end credits. A conversion for the Sega Mega Drive was released a year later in 1990, which included new features such as additional stages and an arranged soundtrack. Dangerous Seed was met with mixed reviews from critics — although the game was praised for its graphics, fast-paced gameplay and soundtrack, it was criticized for lacking originality and for being unable to stand out among other similar games. Some reviewers stated it was one of the better shoot'em ups released for the Mega Drive.


Arcade version screenshot.

Dangerous Seed is a vertically scrolling shooter video game. The player controls a fleet of ships — Alpha, Beta and Gamma — as they must wipe out the alien race known as Danger Seed before they destroy all of mankind.[1] Each ship features different attack types; Alpha has a standard shot, Beta has a V-shaped laser weapon, and Gamma has the ability to shoot forwards and backwards.[1] All three also have a health meter that will deplete when they are inflicted with enemy fire, and having one of the ships destroyed will cause the player to take control of the next ship.[1] If all three ships are destroyed, the game will be over.[1] The three ships can also find powerncapsules by destroying large "Turtle" enemies that upgrade their abilities, such as homing missiles, "ring lasers" that track enemies, and a melt-missile that dissolves enemies when they are hit.[1]

The game spans twelve stages, known as "tubes" in-game, each taking place in planets found in the Solar System.[1] The fifth tube combines the player's ships into a single craft named the Moon Diver, which features all of the weapons and abilities of the three ships and a large health bar.[1] Each tube features a boss fight at the end, which must be destroyed in a certain amount of time before it flees and deducts points from the player's score.[1] Bosses have weak points which must be destroyed before completely defeating it.[1]


Dangerous Seed was released in Japan by Namco in December 1989, making it the company's final arcade game of the 1980s.[2] It was designed by Yuichiro Shinozaki, who was a character designer for the Babylonian Castle Saga franchise.[3] The game was originally known as Kristallkern in early prototypes, with the end credits still retaining this name[4] — the credits also hint at a follow-up with a vague "To be continued" message, however a sequel was never released.[5] The soundtrack was composed by Yoshinori Nagumo, which was re-released by Victor Entertainment in 1990.[6] A Sega Mega Drive conversion was released exclusively in Japan on December 18, 1990, adding new features such as additional stages and an arranged soundtrack.[7]


In Japan, Game Machine listed Dangerous Seed on their January 15, 1990 issue as being the seventeenth most-successful table arcade game of the year.[15] The Mega Drive version in particular was met with mixed reviews, being praised for its colorful graphics, fast-paced gameplay and soundtrack yet criticized for its lack of originality and being unable to stand out among other shooters in the market.

Japanese publication Famitsu liked the game's fast-paced gameplay, colorful graphics and soundtrack,[9] while German magazine Aktueller Software Markt (ASM) praised its detailed graphics and intense gameplay, labeling it was one of the best shooting games released for the Mega Drive.[10] ASM also liked the game's soundtrack and large, impressive boss fights.[10] Power Play applauded the game's level of suspense and vibrant graphics, alongside its unique enemy designs and power-up items.[12] Super Gaming magazine was the most positive towards the game, who praised its graphics, boss fights, power-up items and "sonic-filled" gameplay, saying it was one of the most unique shooters available.[16] In their brief review, Raze liked the game's later background designs and fast-paced action.[11] French publication Génération 4 praised the game's "beautiful" graphics, energetic music and realistic sound effects.[13] Japanese magazine Gamest awarded the arcade version the "37th Annual Hit Game" award, praising its intense action and detailed graphics.[14]

Raze criticized the game for being frustrating to play, as well as disliking many of the game's earlier backgrounds for being unappealing and ugly,[11] while Famitsu stated that the game lacked originality and had a difficult time standing out among other similar games of its genre.[9] Raze also disliked the game's graphics for blending into the background, making it difficult to decipher enemy projectiles and the player's ship.[11] In contrast to Famitsu's review, Computer + Video Games magazine thought that the game was too easy, saying that only "extremely inexperienced" gamers would find the game to be a challenge.[8] They also found the power-up items to be "nothing new" and disliked its gameplay for being tedious and uninteresting.[8] Power Play soured towards the gameplay for not adding anything particularly new to the genre, saying that it only stuck to the bare basic mechanics established in previous vertically scrolling shooters.[12]


  1. ^ Japanese: デンジャラスシード, Hepburn: Denjarasu Shīdo


  1. ^ a b c d e f g h i Dangerous Seed Mega Drive instruction manual (in Japanese). Namco. 18 December 1990.
  2. ^ Akagi, Masumi (13 October 2006). ナムコ Namco. アーケードTVゲームリスト 国内•海外編 (1971-2005) (in Japanese) (1st ed.). Amusement News Agency. p. 52. ISBN 978-4990251215.
  3. ^ Sanaezuki (4 April 2016). "レトロゲームのシンポジウム「RETRO GAME A LA CARTE」が4月16,17日に開催。西角友宏氏や遠藤雅伸氏などが登壇". 4Gamer.net. Archived from the original on 10 June 2016. Retrieved 21 September 2019.
  4. ^ Namco (December 1989). Dangerous Seed (Arcade). Scene: Staff credits. STAFF OF "KRISTALLKERN"
  5. ^ Namco (December 1989). Dangerous Seed (Arcade). Scene: Staff credits. BUT, PEACE IS NOT ALWAYS KEPT LONG. TO BE CONTINUED...
  6. ^ Narusawa, Daisuke (1 March 1991). The Namco Book. JICC Publishing Bureau. ISBN 978-4-7966-0102-3.
  7. ^ 懐かしのメガドライブ 蘇れメガドライバー !!. Myway Publishing. 1 April 2018. p. 33. ISBN 9784865118704.
  8. ^ a b c "Bytesize Mega Drive: Dangerous Seed" (112). Computer + Video Games. March 1991. p. 72. Retrieved 21 September 2019.
  9. ^ a b c "デンジャラスシード (メガドライブ)". Famitsu (in Japanese). Enterbrain. Archived from the original on 21 September 2019. Retrieved 21 September 2019.
  10. ^ a b c "Dangerous Seed" (in German). Aktueller Software Markt. May 1991. p. 124. Archived from the original on 21 September 2019. Retrieved 21 September 2019.
  11. ^ a b c d "Import: Dangerous Seed" (7). Newsfield Publishing. Raze. May 1991. p. 66. Retrieved 21 September 2019.
  12. ^ a b c "Arachnophobia: Dangerous Seed" (in German). Power Play. April 1991. p. 124. Archived from the original on 18 June 2016. Retrieved 21 September 2019.
  13. ^ a b "Dangerous Seed" (30). Génération 4. February 1991. p. 92. Archived from the original on 21 September 2019. Retrieved 21 September 2019.
  14. ^ a b GAMEST MOOK Vol.112 The Best Game 2 Arcade Video Game History of 26 Years (5 ed.). Shinseisha. 17 January 1998. pp. 18–19. ISBN 9784881994290.
  15. ^ "Game Machine's Best Hit Games 25 - テーブル型TVゲーム機 (Table Videos)". Game Machine (in Japanese). No. 372. Amusement Press, Inc. 15 January 1990. p. 25.
  16. ^ "Dangerous Seed" (1). Super Gaming. July 1991. p. 128. Retrieved 21 September 2019.

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