Diary of Defender
Into the game, you will become a defender, return to the age of war, defense the enemy wave of attack.
Offers
What are keyshops?Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
About Diary of Defender
You can use submachine guns, heavy machine guns, grenades, mines, rockets, and other weapons to repel an enemy.
Reach level S to unlock the next battle map。
Towns, wilderness, caves, battleships are all your battlefield.
As more and more enemies become more and more difficult, defenders never back off!
Game details
Diary of Defender price history
Lowest tracked price: $0.86 (Jul 7, 2026) · current best: $0.86 across 5 stores.
Diary of Defender reviews
44% positive reviews all-time.
Diary of Defender — frequently asked questions
Where can I buy Diary of Defender at the cheapest price?
Right now the cheapest offer for Diary of Defender is $0.86 at Gamivo. KingsPrice compares 5 offers from 5 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Diary of Defender has ever been?
The lowest price KingsPrice has tracked for Diary of Defender is $0.86 (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.
Is it safe to buy a Diary of Defender Steam key from a keyshop?
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
How can I get Diary of Defender at a discount?
Create a free price alert on this page and KingsPrice will email you when Diary of Defender 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.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7/8.1/10 (64-bit versions)
- Processor: CPU: Intel Core i5-4590 or AMD FX 8350 or better
- Memory: 8 GB RAM
- Graphics: Nvidia GeForce GTX 1050TI / AMD RX Vega 56 or better
- Storage: 5 GB available space
- VR Support: SteamVR
Recommended
- Requires a 64-bit processor and operating system
- OS *: Windows 7/8.1/10 (64-bit versions)
- Processor: CPU: Intel Core i7-6700K or AMD Ryzen 5 1600X
- Memory: 16 GB RAM
- Graphics: Nvidia GeForce GTX 1080 / AMD RX Vega 64
- Storage: 5 GB available space
