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Dress in style this Halloween with a pack containing essential items and a popular costume on a heavy discount!
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
Official stores with direct support.
This is the base game required to play this DLC. Other expansions may also be required.
Lowest tracked price: CA$32.50 (Jul 7, 2026) · current best: CA$32.50.
33% positive reviews all-time.
Right now the cheapest offer for M.A.R.S. - Halloween Pack is CA$32.50 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for M.A.R.S. - Halloween Pack is CA$32.50 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when M.A.R.S. - Halloween Pack drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
