Abyss of the Sacrifice (密室のサクリファイス, Misshitsu no Sakurifaisu) is a Japanese visual novel adventure game for the PlayStation Portable and by Intense and D3 Publisher.

[2] The story of Abyss of the Sacrifice takes place in an underground facility called "Foundation" (ファウンデーション, Faundēshon).

[3] Miki (ミキ, voiced by: Kei Shindō) is a Japanese girl who is good at sports and was originally aiming to become a high jumper but due to an injury she received during a practice, she has given this up.

[3] Asuna (アスナ, voiced by: Eri Kitamura) is a Russian girl who appears before Miki covered in blood.

[3] Chloe (クロエ, Kuroe, voiced by: Yukana) is a very intelligent German girl and is skilled at cracking into computer systems.