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Build-A-Lot 4: Power Source

The power is in your hands! Help friendly towns to grow and glow by building neighborhoods and generating clean energy to make them run. Watch out for power overload! If you build too fast, you may experience blackouts and unhappy renters.

OfficialDec 17, 2009 · Hip SoftSimulationFamily SharingSingle-playerTime ManagementWindows

Current best

$9.99

at Steam · Jun 19

All-time low

$9.99

Jun 19, 2026

Stores tracked

1

sources indexed

Review signal

75%

32 reviews

Build-A-Lot 4: Power Source cover

Current best · Steam

$9.99

Observed Jun 19

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

Build-A-Lot 4: Power Source · Region US · Jun 19

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 observations
Low $9.99
Best observed priceAll-time low

All-time low

$9.99

Jun 19, 2026 · Steam

12-week avg

$9.99

1 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 Build-A-Lot 4: Power Source cheapest right now?

Build-A-Lot 4: Power Source 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 Build-A-Lot 4: Power Source?

The indexed low for Build-A-Lot 4: Power Source is $9.99 from Steam, observed Jun 19, 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?

Build-A-Lot 4: Power Source has a best indexed review signal of 75%.

Can KeyDwarf notify me about a lower price?

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