Steam
BestOfficialIn stockAlien Invasion Tower Defense · Region US · Jul 5
$1.99
Alien Invasion Tower Defense
Alien Invasion TD is a new strategy 3D game with an exciting new design, campaign mode, endless mode, players custom-built levels and PVP online multiplayer, defend against waves of approaching enemies by placing your defense towers, recruiting units,use special attacks, boosts and more.
OfficialOct 27, 2016 · guyheziActionIndieStrategyFamily SharingIncludes level editorWindows · Mac
Current best
$1.99
at Steam · Jul 5
All-time low
$1.99
Jul 5, 2026
Stores tracked
1
sources indexed
Review signal
47%
15 reviews
Current best · Steam
$1.99
Observed Jul 5
View best listingCurrent low target
$1.99 · matches the current indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $1.99 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
$1.99
Jul 5, 2026 · Steam
12-week avg
$1.99
1 recent observations
Current vs low
At low
Current $1.99
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
10 indexedCommon Questions
Where is Alien Invasion Tower Defense cheapest right now?
Alien Invasion Tower Defense is currently indexed at $1.99 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 Invasion Tower Defense?
The indexed low for Alien Invasion Tower Defense is $1.99 from Steam, observed Jul 5, 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 Invasion Tower Defense has a best indexed review signal of 47%.
Can KeyDwarf notify me about a lower price?
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