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This is additional Christmas content for S.E.M.I. – Side Effects May Include..., but does not include the base game.
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
Christmas Soundtrack is a festive track created specifically for the holiday update of S.E.M.I. – Side Effects May Include.
A single track that blends the signature chaos of the special clinic with a Christmas mood: jingling motifs, light irony, and a sense of celebration right in the middle of experiments and side effects.
Perfect for anyone who wants to keep a piece of S.E.M.I.’s holiday spirit with them, even outside the game.
Lowest tracked price: CA$0.77 (Jul 7, 2026) · current best: CA$1.29.
