Senkyu (戦球), known as Battle Balls in English, is an arcade puzzle game created by Seibu Kaihatsu and released in October 24, 1995. A version for the Sony PlayStation titled Mezase! Senkyu-Ou (めざせ!戦球王) was later released in April 19, 1996 as limited quantities for the Japanese market and the reprint version released on August 5, 1999. A demo version of the game was also included in the PlayStation release of Raiden DX. On March 20, 2025, the game got ported as part of the Arcade Archives series.