Steam
BestOfficialIn stockLost Prototype · Region US · Jul 15
Free
Lost Prototype
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.
OfficialFreeJun 20, 2025 · Unsorted GamesFree To PlayIndieFamily SharingSingle-playerWindows
Current best
Free
at Steam · Jul 15
All-time low
Not yet
No USD history
Stores tracked
1
sources indexed
Review signal
89%
37 reviews
Current best · Steam
Free
Observed Jul 15
View best listingKeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $0.00 at Steam.
1/1
View listing
How trust is scored: KeyDwarf combines source type, known retailer posture, marketplace risk, activation-region warnings, and source transparency. Checkout and support still happen with the external seller.
Price History
Price insights are not shown for games flagged as permanently free.
Media
12 indexedCommon Questions
Where is Lost Prototype cheapest right now?
Lost Prototype is currently indexed at Free from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Lost Prototype?
KeyDwarf has not indexed enough USD history for Lost Prototype yet.
Is the top source safe?
Steam is labeled "Official store" in the index. KeyDwarf tracks the listing and source risk, but checkout and support stay with the external store.
What is the review signal?
Lost Prototype has a best indexed review signal of 89%.
Can KeyDwarf notify me about a lower price?
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