Size Matters — cheap CD keys, compare prices
Is it worth buying?
- Reviews are solid. (Steam 87%)
- The price is above its low (was €0.31), but within a reasonable range. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Size Matters is an action-adventure game by Mazen Games, published by GrabTheGames in 2021. Players control a scientist who is continuously shrinking and must race against time to collect ingredients and formulas scattered across a laboratory in order to synthesize the life-saving antidote before it's too late.
Did you know?
Size Matters carries six genre tags — action, adventure, casual, simulation, racing, and indie — an unusually broad genre spread for a single title.
Best price today
€0.40
all-time low: official €2.73 · keyshop €0.31 (+29%)
On Steam: €2.73 — you save 85% here
The cheapest Size Matters key right now costs €0.40 at GameSeal — the best of 10 compared offers. The lowest price we have recorded for this game: €0.31. The cheapest official store price is €2.73 at Steam.
The average low over the past 5 months was €0.34.
↳ chosen by the region label on the key — not a guarantee
Prices as of
GameSeal best price Marketplace
G2A Marketplace
Steam Official store
Fanatical Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Size Matters prices by store 9
| Store | Type | Price |
|---|---|---|
| GameSeal | Marketplace | €0.40 |
| Driffle | Marketplace | €0.41 |
| K4G | Marketplace | €0.49 |
| Kinguin | Marketplace | €0.70 |
| G2A | Marketplace | €0.79 |
| Loaded | Marketplace | €1.49 |
| Instant Gaming | Marketplace | €2.09 |
| Steam | Official store | €2.73 |
| Fanatical | Official store | €6.74 |
Lowest — official stores
€2.73
Jul 2026
Lowest — keyshops
€0.31
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.73 | €0.37 |
| Sept 2026 | €2.73 | €0.33 |
| Aug 2026 | €6.74 | €0.31 |
| Jul 2026 | €2.73 | €0.31 |
| Jun 2026 | €9.75 | €0.39 |
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: GameSeal, Driffle, K4G, Kinguin, G2A, Loaded, Instant Gaming, Steam, Fanatical
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Confirm in our Telegram bot — no account, no spam.
All-time low so far: €0.31
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 7/8.1/10 32-bit or 64-bit | Windows 10 64-bit |
| Processor | Quad Core 2.6 GHz | Intel Core i5 or AMD FX-8300 |
| Memory | 4 GB RAM | 8 GB RAM |
| Graphics | Nvidia GTX 650 Ti 2GB or AMD Radeon HD 7970 3GB | Nvidia GTX 1060 or AMD Radeon 580 |
| DirectX | Version 11 | Version 11 |
| Storage | 4 GB available space | 6 GB available space |
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About this game — FAQ
Can Size Matters be played single-player?
Yes, Size Matters is a single-player game.
What languages does Size Matters support?
Size Matters is available in: English, German, Spanish - Spain, Czech, Polish, Portuguese - Portugal, Russian, Simplified Chinese and 8 more.
Does Size Matters use Steam Cloud saves?
Yes, Size Matters uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Size Matters key?
The cheapest Size Matters key is currently sold by GameSeal for €0.40. That is the best of 10 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €0.31.
How much does Size Matters cost?
Size Matters currently costs from €0.40 — the cheapest offer across the stores we track. For comparison, the game costs €2.73 on Steam, so buying a key saves you about 85%.
Is GameSeal an official store or a keyshop?
GameSeal 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.