Steam
BestOfficialIn stockAlien Defense · Region US · Jul 10
$2.99
Alien Defense
At night, Alien breaks into the base. Place the defenses tower and units properly and defeat all Aliens invading the base
OfficialJan 24, 2022 · MoonlightGamesActionIndieRPGFamily SharingSingle-playerWindows
Current best
$2.99
at Steam · Jul 10
All-time low
$2.99
Jul 10, 2026
Stores tracked
1
sources indexed
Review signal
67%
6 reviews
Current best · Steam
$2.99
Observed Jul 10
View best listingCurrent low target
$2.99 · matches the current indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $2.99 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
1 observationsBest observed priceAll-time low
All-time low
$2.99
Jul 10, 2026 · Steam
12-week avg
$2.99
1 recent observations
Current vs low
At low
Current $2.99
Recommendation
At indexed low
current indexed price matches the low
Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.
Media
12 indexedCommon Questions
Where is Alien Defense cheapest right now?
Alien Defense is currently indexed at $2.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Alien Defense?
The indexed low for Alien Defense is $2.99 from Steam, observed Jul 10, 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?
Alien Defense has a best indexed review signal of 67%.
Can KeyDwarf notify me about a lower price?
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