How many people are playing Alien Defense right now?

0 people are playing Alien Defense on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.

What is Alien Defense's all-time peak player count?

The highest concurrent player count we've seen for Alien Defense on Steam since tracking began on Nov 1, 2026 is 0. We have no player history from before then, so its all-time peak may be higher.

Is Alien Defense good? What do Steam reviews say?

66% of 6 Steam user reviews are positive.

How much does Alien Defense cost on Steam?

Alien Defense costs $2.99 on Steam (US).

Does Alien Defense work on Steam Deck?

Alien Defense is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

Alien Defense

by MoonlightGames · Released Jan 24, 2022 · App ID 1868840

Steam Deck Playable

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Players now

newvs 24h ago · updates every minute

Review score

66% positive

6 user reviews6 reviews

24h peak

Highest seen since tracking began Nov 1, 20260

Price on Steam

$2.99

Lowest ever $2.99 Nov 2026

Owners (est.)0–20K

Concurrent players

Last 7 days · history since Nov 1, 2026

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Players onlineSteam sale started

Media & details

Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.

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Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$2.99

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Other authorized stores

No authorized Steam key store lists this game right now.

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Editions and bundles on Steam

Alien DefenseEdition
$2.99
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Reviews

66% positive of 6 · 6 user reviews · Live from Steam

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Steam Deck

Works, but may need extra effort. Results from Valve's own testing.

Steam Deck Playable

!Default controller config not fully functional
!Controller glyphs do not match deck device
✓Interface text is legible
✓Default configuration is performant
iExternal controllers not supported primary player

Steam Deck

Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

Patch notes

Apr 21, 2022
Patchrenewal
renewal
Apr 20, 2022
Patchrenewal
renewal
Feb 18, 2022
Patchnewly renewed
newly renewed

Patches & builds

Quick answers about Alien Defense

How many people are playing Alien Defense right now?: 0 people are playing Alien Defense on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.
What is Alien Defense's all-time peak player count?: The highest concurrent player count we've seen for Alien Defense on Steam since tracking began on Nov 1, 2026 is 0. We have no player history from before then, so its all-time peak may be higher.
Is Alien Defense good? What do Steam reviews say?: 66% of 6 Steam user reviews are positive.
How much does Alien Defense cost on Steam?: Alien Defense costs $2.99 on Steam (US).
Does Alien Defense work on Steam Deck?: Alien Defense is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

Live data from Steam, tracked by SteamPlayerBase.