Day: 40
The journey began with the deluge of rain which flooded the earth for 39 days. On day 40, it stops. Mysteries can be discovered and solved while facing gruesome enemies along the way. Experience thrilling survival horror combined with first person combat in an open world full of exploration.
Offers
What are keyshops?Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
About Day: 40
The journey began with the deluge of rain which flooded the earth for 39 days. On day 40, it stops.
Mysteries can be discovered and solved in a land full of unique scenarios.
Take yourself into a world of dark, atmospheric locales where wildlife and other strange beings are present. Learn what has begun, and make it cease.
Features:
- First person action with survival elements
- State of the art graphics with physically based rendering, volumetric lighting and high quality models.
- Gruesome, horrifying creatures that defy imagination
- Puzzles and secrets that bend the mind
- Massive open world where enemies and wildlife roam dynamically. No two playthroughs are the same.
- Full controller support (Xbox 360/One gamepad or compatible)
Game details
Game details
Game modes
Languages
Day: 40 price history
Lowest tracked price: $6.73 (Jul 23, 2026) · current best: $6.73 across 2 stores.
Day: 40 reviews
73% positive reviews all-time.
Day: 40 — frequently asked questions
Where can I buy Day: 40 at the cheapest price?
Right now the cheapest offer for Day: 40 is $6.73 at GameBoost. KingsPrice compares 2 offers from 2 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Day: 40 has ever been?
The lowest price KingsPrice has tracked for Day: 40 is $6.73 (recorded on Jul 23, 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 Day: 40 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 Day: 40 at a discount?
Create a free price alert on this page and KingsPrice will email you when Day: 40 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 SP1+, 8, 10, 64-bit versions only
- Processor: SSE2 instruction set support
- Memory: 4 GB RAM
- Graphics: Graphics card with DX10 (shader model 4.0) capabilities
- DirectX: Version 10
- Storage: 6 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5-2500K | AMD Ryzen 5 1400
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 970 | AMD Radeon RX 570
- DirectX: Version 11
- Storage: 6 GB available space
