Smile Protocol — cheap CD keys, compare prices
Is it worth buying?
- 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
Smile Protocol throws players into relentless firefights as a survival shooter, where combat performance earns rewards, opens loot cases, and hands out rare skins for a personalized arsenal. Each run is meant to carry real weight in that loop. The game spans the action, casual, indie, and simulation genres, developed and published by OxygenStudio, releasing in 2026.
Best price today
€2.06
lowest in tracked period: official €5.52 · keyshop €2.06 near low
On Steam: €5.52 — you save 63% here
The cheapest Smile Protocol key right now costs €2.06 at Kinguin — the best of 2 compared offers. The lowest price we have recorded for this game: €2.06. The cheapest official store price is €5.52 at Steam.
Prices as of
Steam Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Smile Protocol prices by store 2
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €2.06 |
| Steam | Official store | €5.52 |
Lowest — official stores
€5.52
Sept 2026
Lowest — keyshops
€2.06
Sept 2026
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, Steam
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All-time low so far: €2.06
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 | Windows 11 |
| Processor | Intel Core i7 | AMD Ryzen 9 |
| Memory | 8 GB RAM | — |
| Graphics | GTX 1660 | RTX 3060 |
| DirectX | Version 11 | Version 12 |
| Storage | 8 GB available space | 15 GB available space |
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About this game — FAQ
Can Smile Protocol be played single-player?
Yes, Smile Protocol is a single-player game.
What languages does Smile Protocol support?
Smile Protocol is available in: English, French, Italian, German, Spanish - Spain, Simplified Chinese, Portuguese - Brazil, Dutch and 9 more.
FAQ
Where is the cheapest place to buy a Smile Protocol key?
The cheapest Smile Protocol key is currently sold by Kinguin for €2.06. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.06.
How much does Smile Protocol cost?
Smile Protocol currently costs from €2.06 — the cheapest offer across the stores we track. For comparison, the game costs €5.52 on Steam, so buying a key saves you about 63%.
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.