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Reef Defense is a fast-paced, intense strategy game where relentless waves of crustaceans are coming for your precious eggs! Arm your reef with strategically positioned defenses and hold the line. Can you outlast the swarm, or will your eggs become crab food?
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.
Reef Defense is a fast-paced, intense tower defense game where relentless waves of crustaceans are coming for your precious eggs! Can you outlast the swarm, or will your eggs become crab food?
Arm your reef with strategically-positioned defenses and hold the line. Adapt to the evolving enemy tactics, upgrade your defenses on the fly and unleash powerful counterattacks before you're overwhelmed! Will you stop the enemies in time?
Venture to every island and uncover the mysteries hidden beneath the waves - the many reefs have secrets of their own, filled with treasures waiting to be found. As you protect your precious eggs, stay sharp and see if you can find every wonder the reef has to offer!
Between levels, head back to your home reef to feed your fish and decorate with over 100 unique items—like vibrant coral, curious critters, and shimmering shells!
Right now the cheapest offer for Reef Defense is CA$19.49 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 Reef Defense is CA$19.49 (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 Reef Defense 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.
