Steam
Prototype™
100 · Official storeIn stock26h agoRegion US
$19.99
Prototype™
You are the Prototype, Alex Mercer, a man without memory armed with amazing shape-shifting abilities, hunting your way to the heart of the conspiracy which created you; making those responsible pay. Fast & Deadly Shape-Shifting Combat: Reconfigure your body to the situation at hand.
Jun 12, 2009Windows
ActionAdventureFamily SharingSingle-player
Tracked stores
1
Best indexed price
$19.99
Review signal
No reviews
Current low target
$19.99 · matches the current indexed low
Compare Sellers
Best indexed price: $19.99 at Steam.
1/1
Open
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
All-time low
$19.99
Jun 19, 2026 · Steam
12-week avg
$19.99
2 recent observations
Current vs low
At low
Current $19.99
Recommendation
At indexed low
current indexed price matches the low
Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.
Images and Media
Frequently asked
Where is Prototype™ cheapest right now?
Prototype™ is currently indexed at $19.99 from Steam. Official Steam Store listing.
What is the historical low for Prototype™?
The indexed low for Prototype™ is $19.99 from Steam, observed Jun 19, 2026. The current indexed price is at that low, so KeyDwarf labels it "At indexed low".
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?
No review summary is indexed for this game yet.
Can KeyDwarf notify me about a lower price?
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