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Castle Constructor

Build and defend using a modular system of castle blocks. Fend off enemies who will climb over and break through your defenses. Collect new blocks and research techs to improve their strengths. From lowly soldiers to powerful siege weapons; defeat them all as you strive to protect your kingdom.

OfficialMar 27, 2024 · Sisyphean GamesStrategyFamily SharingSingle-playerWindows

Current best

$11.99

at Steam · Jul 15

All-time low

$7.19

Jul 9, 2026

Stores tracked

1

sources indexed

Review signal

81%

75 reviews

Castle Constructor cover

Current best · Steam

$11.99

Observed Jul 15

View best listing

Observed low target

$7.19 · based on the previous indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $11.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Castle Constructor · Region US · Jul 15

$11.99

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

2 observations
Low $7.19
Best observed priceAll-time low

All-time low

$7.19

Jul 9, 2026 · Steam

12-week avg

$9.59

2 recent observations

Current vs low

+67%

Current $11.99

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 Castle Constructor cheapest right now?

Castle Constructor is currently indexed at $11.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Castle Constructor?

The indexed low for Castle Constructor is $7.19 from Steam, observed Jul 9, 2026. The current indexed price is 67% 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?

Castle Constructor has a best indexed review signal of 81%.

Can KeyDwarf notify me about a lower price?

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