Happy Monster — cheap CD keys, compare prices
Is it worth buying?
- Reviews are solid. (Steam 87%)
- The price is well above its low (was €3.48) — 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
Happy Monster is a roguelite that mixes dragon lore with Cthulhu-inspired creatures. Players step into the role of Sartos, a dragonborn fighter, working to push back corruption threatening his homeland while piecing together the world's mysteries and searching for a way to beat the monsters. The game, developed and published by Destined Game Studio, is currently available in early access, having launched in 2025.
Best price today
€7.47
all-time low: official €7.47 · keyshop €3.48 (+115%)
The cheapest Happy Monster key right now costs €7.47 at Steam. The lowest price we have recorded for this game: €3.48.
The average low over the past 4 months was €5.81.
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
€7.47
Oct 2026
Lowest — keyshops
€3.48
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €7.47 | — |
| Sept 2026 | €8.79 | — |
| Aug 2026 | €8.79 | €3.48 |
| Jul 2026 | €8.79 | €3.48 |
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: €3.48
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows® 7 SP1 / 8.1 / 10 64-bit | Windows® 7 SP1 / 8.1 / 10 64-bit |
| Processor | AMD FX-4350 / Intel® Core™ i3-3210 | AMD Ryzen™ 3 1200 / Intel® Core™ i5-6400 |
| Memory | 4 GB RAM | 8 GB RAM |
| Graphics | AMD Radeon™ RX 560 (4GB VRAM) / NVIDIA® GeForce® GTX 1050 (4GB VRAM) | Radeon™ RX 580(8GB VRAM) / NVIDIA® GeForce® GTX 1060 (6 GB VRAM) |
| DirectX | Version 11 | Version 11 |
| Storage | 1 GB available space | 1 GB available space |
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About this game — FAQ
Can Happy Monster be played single-player?
Yes, Happy Monster is a single-player game.
What languages does Happy Monster support?
Happy Monster is available in: English, Japanese, Simplified Chinese, Traditional Chinese, Korean, French, Italian, German and 3 more.
Does Happy Monster use Steam Cloud saves?
Yes, Happy Monster uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Happy Monster key?
The cheapest Happy Monster key is currently sold by Steam for €7.47. The lowest price we have ever recorded for this game: €3.48.
How much does Happy Monster cost?
Happy Monster currently costs from €7.47 — 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.