Spike Co., Ltd. (株式会社スパイク, Kabushiki-gaisha Supaiku) was a Japanese video game developer and publisher.

[3] Human's Fire Pro Wrestling series was acquired by Spike after Human ceased operations.

Spike sold its book publishing business to Aspect in March 1999, and Spike was acquired by Sammy in April.

Spike established a game development subsidiary named Vaill (ヴァイル株式会社) which consisted of former Human staff in November 1999, and it was eventually absorbed back into Spike in July 2001.

Two games were in development at the time of the merger: Conception: Ore no Kodomo o Undekure!