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X-COM: Terror From the Deep

The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.

OfficialMay 4, 2007 · MicroProse Software, IncStrategyFamily SharingSingle-player1990'sAliensWindows

Current best

$4.99

at Steam · Jul 10

All-time low

$1.24

Jun 25, 2026

Stores tracked

2

sources indexed

Review signal

91%

933 reviews

X-COM: Terror From the Deep cover

Current best · Steam

$4.99

Observed Jul 10

View best listing

Observed low target

$1.24 · based on the previous indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $4.99 at Steam.

2/2
S

Steam

BestOfficialIn stock

X-COM: Terror From the Deep · Region US · Jul 10

$4.99

View listing
G

GOG

OfficialIn stock

X-COM: Terror from the Deep · Region US · Jul 23

$5.99

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

7 observations
Low $1.24
Best observed priceAll-time low

All-time low

$1.24

Jun 25, 2026 · Steam

12-week avg

$3.74

7 recent observations

Current vs low

+383%

Current $5.99

Recommendation

Watch for drop

consider setting an alert

Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.

Media

12 indexed

Common Questions

Where is X-COM: Terror From the Deep cheapest right now?

X-COM: Terror From the Deep is currently indexed at $4.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for X-COM: Terror From the Deep?

The indexed low for X-COM: Terror From the Deep is $1.24 from Steam, observed Jun 25, 2026. The current indexed price is 383% above that low, so KeyDwarf labels it "Watch for drop".

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?

X-COM: Terror From the Deep has a best indexed review signal of 91%.

Can KeyDwarf notify me about a lower price?

Use the alert target control on this page to save a watch target after sign-in.