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This content requires the base game DEFLATE on Steam in order to play. Purchasing "BOOST" will permanently unlock all current and future content of "DEFLATE", including songs, character drum machines, notes, hit effects, and more.
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
This is the base game required to play this DLC. Other expansions may also be required.
This content requires the base game DEFLATE on Steam in order to play.
Purchasing "BOOST" will permanently unlock all current and future content of "DEFLATE", including songs, character drum machines, notes, hit effects, and more.
Lowest tracked price: €50.14 (Jul 7, 2026) · current best: €58.99.
100% positive reviews all-time.
Right now the cheapest offer for DEFLATE - BOOST is €58.99 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 DEFLATE - BOOST is €50.14 (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 DEFLATE - BOOST 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.
