Lost Prototype cover
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About the game

Lost Prototype is a walking simulator in which you have to find your way out of a maze under construction. But be aware, you're not alone in this place. Something is following you and wants to erase all your progress.

Lost Prototype

where to buy cheaper: prices at 1 store, Steam RU and KZ

Unsorted Games · released 20 June 2025 · Steam 90 % positive

Free to play: just add it to your Steam library. Only editions and DLC cost money.

Steam account region
Minimum
  • ОС: Windows 10 64-bit.
  • Процессор: Quad-core Intel or AMD 2.5 GHz or superior.
  • Оперативная память: 8 GB ОЗУ
  • Видеокарта: Any DirectX 11 or 12 compatible card
  • DirectX: версии 11
  • Место на диске: 2 GB
  • Дополнительно: The game is using lumen lighting technology, if your graphics card cannot handle it, it will be then impossible to play correctly.
Recommended
  • Рекомендованные:
  • ОС: Windows 10 64-bit. (Versions20H2)
  • Процессор: Six-Core Xeon E5-2643 @ 3.4GHz
  • Оперативная память: 10 GB ОЗУ
  • Видеокарта: Any DirectX 11 or 12 compatible card
  • DirectX: версии 12
  • Место на диске: 3 GB
  • Дополнительно: The game is using lumen lighting technology, if your graphics card cannot handle it, it will be then impossible to play correctly.
For a Russian account, listings with the “Russia & CIS” and “Global” activation regions work. “CIS excl. Russia” and “Kazakhstan” listings are flagged and do not activate in Russia.

Offers

StoreListing typeActivation regionPaymentPriceTrue priceUpdated
Steam Россия Standard Edition to your library РФ и СНГ
—
free free 22 hours ago On Steam
Steam Казахстан Standard Edition to your library Казахстанnot for your region
—
free free 22 hours ago On Steam

True price includes the top-up fee and the exchange rate, so you compare like with like.

How to buy from Russia

A key is activated in the Steam client; your account region must match the key’s region.
Buying directly on Steam: top up your wallet through a top-up service; its fee is already included in the true price.
The Kazakhstan price is available through a KZ wallet or as a gift from a friend in Kazakhstan.

FAQ

How much does Lost Prototype cost?

Lost Prototype is free to play: just add the game to your Steam library. Only editions, bundles and DLC cost money.

Can Lost Prototype be activated in Russia?

Yes. The game is sold on Russian Steam, and keys with the “Russia & CIS” and “Global” regions activate on a Russian account.