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UWBO is a Tower Defense game about some cute waifus that try to prevent the invading monsters from absorbing the energy from the Energy-Crystals. Play it in coop mode with your friends to help each other and of course the cute helpless girls.
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 ends
Lowest tracked price: CA$3.89 (Jul 7, 2026) · current best: CA$3.89.
50% positive reviews all-time.
Right now the cheapest offer for Ultimate Waifu Battle Online is CA$3.89 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 Ultimate Waifu Battle Online is CA$3.89 (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 Ultimate Waifu Battle Online 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.
