Compile Heart (株式会社コンパイルハート, Kabushiki gaisha Konpairu Hāto) is a Japanese video game developer founded on June 2, 2006 as a subsidiary of Idea Factory.

Compile Heart is primarily known for its Hyperdimension Neptunia and Record of Agarest War brands.

As of 2010, the company managed to acquire a licensing deal with D4 Enterprise (the copyright holder of most property rights under Compile) to create new video games based on franchises from the defunct developer.

[3] Compile Heart has announced a project titled Galapagos RPG, that aims to create new RPGs with a Japanese style, aimed towards Japanese gamers.

[25][26] The first game from this project is a "Fantasy RPG" with a dark tone called Fairy Fencer F for the PlayStation 3[27] followed respectively by Omega Quintet,[28] Fairy Fencer F: Advent Dark Force,[14] Death end re;Quest, Dragon Star Varnir, Arc of Alchemist, and Death end re;Quest 2 for the PlayStation 4.