Chain Shot

The original game was published in November 1985 via cassette tapes. Its source code was made available available for those who with add their own edits to the game. It consists of two modes, Small & Large boards and two players can play the game. It had another release under the title Puzzle Game Collection, not the Nintendo version, it's a compilation of puzzle games released for the FM-7. Puzzle Game collection source: https://fm-7.com/museum/products/ltafsstg/