Skip to content
keyfinder.
Your game. Your choice of store.
Review us onTrustpilot

Size Matters

SimulationCasualScienceIndieEducation91% positive on Steam
Mazen GamesReleased 12 Mar 2021
10 active offers across 7 stores

All offers (10)

Compare the platform, region and delivery before you buy.

Standard Edition 10 offers · EU & Global

  • Size Matters EN GlobalActivation key
    SteamGlobal
    Lowest price€0.19+ service fee
    View deal
  • Size Matters (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €0.29+ service fee
    View deal
  • Size Matters Steam CD KeyActivation key
    SteamGlobal
    €0.33+ payment fee
    View deal
  • Size Matters Steam Key GLOBALActivation key
    SteamGlobal
    €0.52+ fee possible
    View deal
  • Size Matters (Global) (PC) - Steam - Digital KeyActivation key
    SteamGlobal
    €0.63no Plus, no Protect
    View deal
  • Size Matters EU Steam CD KeyActivation key
    SteamEurope
    €0.66+ payment fee
    View deal
  • Size Matters Steam Key EUROPEActivation key
    SteamEurope
    €0.73+ fee possible
    View deal
  • Size Matters Steam Key: GlobalActivation key
    SteamGlobal
    €1.43
    View deal
  • Size Matters Steam Key: Europe & UKActivation key
    SteamEurope
    €1.43
    View deal
  • Size Matters PCActivation key
    SteamGlobal
    €1.59
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €9.75No fee
    View on Steam

You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.

Best price over the last 32 days

€10.00€5.00€0.0011 Oct 202611 Nov 2026
  • Lowest €0.144 Nov 2026
  • Highest €0.1611 Oct 2026
  • Today €0.16

The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.

Size Matters screenshot 1Size Matters screenshot 2Size Matters screenshot 3Size Matters screenshot 4

Buy Size Matters key: current price comparison

Where is the Size Matters key cheapest?

The cheapest Size Matters key that activates in the EU currently costs €0.19 at GAMIVO. Keyfinder compares 10 offers from 7 shops for this price. That is 98% less than the Steam price of €9.75. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Size Matters key price in the last 32 days?

€0.14 on 4 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €0.16 on 11 Oct 2026; today the cheapest key costs €0.16.

Which Size Matters keys activate in the EU?

10 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.

What a game key is and how to read an offer

How do I activate the Size Matters key?

The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.

How to redeem a Steam key

Is it safe to buy a Size Matters key from GAMIVO?

Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our GAMIVO check covers who runs the shop, its fees and its regions.

Is GAMIVO legit? Read our check

Games like Size Matters

More games by Mazen Games and games in similar genres.

About Size Matters

You play as a scientist who is shrinking every second in a race against time! Find all the ingredients and formulas scattered around the laboratory, which are necessary for producing the life-saving antidote. But beware, your time is very precious.

Developer
Mazen Games
Publisher
GrabTheGames
Release date
12 Mar 2021
Steam
View on Steam