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Original Soundtrack containing 14 original songs specifically composed for Zero-Sum Heart, composed by Kala from Mooncake Audio.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Zero-Sum Heart Soundrack contains 14 original songs specifically composed for the game, composed by Kala from Mooncake Audio.
Lowest tracked price: CA$1.35 (Jul 7, 2026) · current best: CA$1.94.
100% positive reviews all-time.
