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Stack Machines

Push and pop your way through Stack Machines - an open-ended puzzle programming game. Use a variety of modules to read, transform and output different input sequences. Optimize your solutions for size, module count, speed and cost-effectiveness.

OfficialFeb 24, 2023 · UP DEVELOPMENT LTD.SimulationFamily SharingSingle-playerStatsSteam AchievementsWindows · Linux

Current best

$5.99

at Steam · 30h ago

All-time low

$5.99

Jul 20, 2026

Stores tracked

1

sources indexed

Review signal

No reviews

Stack Machines cover

Current best · Steam

$5.99$11.99−50%

Observed 30h ago

View best listing

Current low target

$5.99 · matches the current 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

Stack Machines · Region US · 30h ago

$5.99

was $11.99 · −50%

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 $5.99
Best observed priceAll-time low

All-time low

$5.99

Jul 20, 2026 · Steam

12-week avg

$8.99

2 recent observations

Current vs low

At low

Current $5.99

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 Stack Machines cheapest right now?

Stack Machines 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 Stack Machines?

The indexed low for Stack Machines is $5.99 from Steam, observed Jul 20, 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?

No review summary is indexed for this game yet.

Can KeyDwarf notify me about a lower price?

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