The game includes a minigame called Xenopittan, which reuses several pieces of music from Kotoba no Puzzle: Mojipittan, composed by Satoru Kosaki.
"estrellita"
Composer: Satoru Kosaki
Lyricist: yura
Vocals: Shion Uzuki (Ai Maeda)
"[ai]"
Composer: Satoru Kosaki
Lyricist: yura
Vocals: KOS-MOS (Mariko Suzuki)
Chorus: Nana Furuhara
"paradox"
Composer: Hiroshi Okubo
Lyricist: yura
Vocals: M.O.M.O. (Rumi Shishido)
"Futari no Xenopittan"
Composer: Satoru Kosaki
Lyricist: Hiroyuki Goto
Vocals: Shion Uzuki (Ai Maeda), KOS-MOS (Mariko Suzuki), M.O.M.O. (Rumi Shishido)
Recorded & Mixed by Masanobu Murakami
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