Steam
Portal
100 · Official storeIn stock40h agoRegion US
$9.99
Portal
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Oct 10, 2007Windows, Linux
ActionCamera ComfortCaptions availableCommentary availableCustom Volume ControlsFamily SharingFull controller supportIncludes Source SDKIncludes level editorRemote Play on PhoneRemote Play on TabletSave Anytime
Tracked stores
1
Best indexed price
$9.99
Review signal
No reviews
Current low target
$9.99 · matches the current indexed low
Compare Sellers
Best indexed price: $9.99 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
$9.99
Jun 18, 2026 · Steam
12-week avg
$9.99
2 recent observations
Current vs low
At low
Current $9.99
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 Portal cheapest right now?
Portal is currently indexed at $9.99 from Steam. Official Steam Store listing.
What is the historical low for Portal?
The indexed low for Portal is $9.99 from Steam, observed Jun 18, 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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