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Mercury Fallen

A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.

OfficialAug 22, 2023 · Nitrous ButterflyIndieSimulationStrategyFamily SharingSingle-playerWindows · Mac

Current best

$9.99

at Steam · 18h ago

All-time low

$9.99

Jul 5, 2026

Stores tracked

1

sources indexed

Review signal

78%

316 reviews

Mercury Fallen cover

Current best · Steam

$9.99$24.99−60%

Observed 18h ago

View best listing

Current low target

$9.99 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $9.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Mercury Fallen · Region US · 18h ago

$9.99

was $24.99 · −60%

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

3 observations
Low $9.99
Best observed priceAll-time low

All-time low

$9.99

Jul 5, 2026 · Steam

12-week avg

$14.99

3 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.

Media

12 indexed

Common Questions

Where is Mercury Fallen cheapest right now?

Mercury Fallen is currently indexed at $9.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Mercury Fallen?

The indexed low for Mercury Fallen is $9.99 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?

Mercury Fallen has a best indexed review signal of 78%.

Can KeyDwarf notify me about a lower price?

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