Know by heart — cheap CD keys, compare prices
Is it worth buying?
- Reviews are excellent. (Steam 90%)
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Know by Heart follows childhood friends who come back together after years apart, looking back on shared memories and rebuilding their old bond. Their reunion, however, gets disrupted by something none of them can control. The adventure indie title was developed and published by Ice-Pick Lodge in 2022.
Did you know?
On Steam it holds a 90% positive rating from 858 reviews, placing it in the Very Positive category.
Best price today
€3.96
all-time low: official €4.19 · keyshop €3.90 near low
On Steam: €4.19 — you save 5% here
The cheapest Know by heart key right now costs €3.96 at Kinguin — the best of 8 compared offers. The lowest price we have recorded for this game: €3.90. The cheapest official store price is €4.19 at Steam.
The average low over the past 4 months was €3.97.
↳ chosen by the region label on the key — not a guarantee
Prices as of
GameSeal Marketplace
Steam Official store
G2A Marketplace
Gog Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Know by heart prices by store 7
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €3.96 |
| GameSeal | Marketplace | €4.09 |
| K4G | Marketplace | €4.12 |
| Steam | Official store | €4.19 |
| Gamivo | Marketplace | €4.41 |
| G2A | Marketplace | €6.79 |
| Gog | Official store | €17.84 |
Lowest — official stores
€4.19
Jul 2026
Lowest — keyshops
€3.90
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €4.19 | €3.96 |
| Sept 2026 | €16.79 | €3.96 |
| Aug 2026 | €16.79 | €3.90 |
| Jul 2026 | €4.19 | €4.06 |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Kinguin, GameSeal, K4G, Steam, Gamivo, G2A
- GOG key — on GOG.com → Redeem a code (or in GOG Galaxy: Add games & friends → Redeem GOG code). Stores with this activation: Gog
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All-time low so far: €3.90
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 7 64-bit or higher | Windows 7 64-bit or higher |
| Processor | Intel(R) Core(TM) i5-6300U CPU @ 2.5 GHz | Intel(R) Core(TM) i5-7400 CPU @ 3.0 GHz |
| Memory | 4 GB RAM | 6 GB RAM |
| Graphics | Nvidia Geforce gtx 560 | Nvidia Gforce gtx 960 |
| Storage | 3 GB available space | 3 GB available space |
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About this game — FAQ
Can Know by heart be played single-player?
Yes, Know by heart is a single-player game.
Does Know by heart support a controller/gamepad?
Yes, Know by heart has full controller support.
What languages does Know by heart support?
Know by heart is available in: English, Russian.
FAQ
Where is the cheapest place to buy a Know by heart key?
The cheapest Know by heart key is currently sold by Kinguin for €3.96. That is the best of 8 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €3.90.
How much does Know by heart cost?
Know by heart currently costs from €3.96 — the cheapest offer across the stores we track. For comparison, the game costs €4.19 on Steam, so buying a key saves you about 5%.
Is Kinguin an official store or a keyshop?
Kinguin is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.