MonsterGuest — cheap CD keys, compare prices
Is it worth buying?
- The price is well above its low (was €1.89) — worth waiting for a drop or setting an alert. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
MonsterGuest puts you behind the counter of a small eatery, fending off wave after wave of monstrous customers while trying to hit a sales target. You scan each newcomer with a camera and cross-reference it against a set of dolls to figure out what it is, then serve it blood-stained food — fast, since the monsters have little patience. Developed and published by a creator known as Jay, the game has been available since 2026.
Best price today
€3.15
all-time low: official €1.89 (+67%)
The cheapest MonsterGuest key right now costs €3.15 at Steam. The lowest price we have recorded for this game: €1.89.
The average low over the past 4 months was €2.52.
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Lowest — official stores
€1.89
Jul 2026
Price history
last 76 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €3.15 | — |
| Sept 2026 | €3.15 | — |
| Aug 2026 | €1.89 | — |
| Jul 2026 | €1.89 | — |
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: Steam
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All-time low so far: €1.89
System requirements
| Minimum | |
|---|---|
| OS | windows 7/8/10/11 |
| Processor | intel Core i7 4770 |
| Memory | 8,192 MB RAM |
| Graphics | NVIDIA GeForce GTX 970 |
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About this game — FAQ
Can MonsterGuest be played single-player?
Yes, MonsterGuest is a single-player game.
What languages does MonsterGuest support?
MonsterGuest is available in: English, French, Japanese, Traditional Chinese, Korean, Indonesian, Portuguese - Brazil, Russian and 1 more.
FAQ
Where is the cheapest place to buy a MonsterGuest key?
The cheapest MonsterGuest key is currently sold by Steam for €3.15. The lowest price we have ever recorded for this game: €1.89.
How much does MonsterGuest cost?
MonsterGuest currently costs from €3.15 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
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.