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Sentinel 3: Homeworld

The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.

OfficialFeb 3, 2014 · Origin8IndieStrategyFamily SharingSingle-playerSteam AchievementsWindows

Current best

$5.99

at Steam · Jul 12

All-time low

$1.19

Jun 26, 2026

Stores tracked

1

sources indexed

Review signal

80%

148 reviews

Sentinel 3: Homeworld cover

Current best · Steam

$5.99

Observed Jul 12

View best listing

Observed low target

$1.19 · based on the previous indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $5.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Sentinel 3: Homeworld · Region US · Jul 12

$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

3 observations
Low $1.19
Best observed priceAll-time low

All-time low

$1.19

Jun 26, 2026 · Steam

12-week avg

$4.39

3 recent observations

Current vs low

+403%

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

11 indexed

Common Questions

Where is Sentinel 3: Homeworld cheapest right now?

Sentinel 3: Homeworld is currently indexed at $5.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Sentinel 3: Homeworld?

The indexed low for Sentinel 3: Homeworld is $1.19 from Steam, observed Jun 26, 2026. The current indexed price is 403% 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?

Sentinel 3: Homeworld has a best indexed review signal of 80%.

Can KeyDwarf notify me about a lower price?

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