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String Theory

You've played rhythm games, but have you ever played a music game? String Theory is a unique audio puzzle game that trains the player to recognize musical chords. Pit your ear against 20 different BGMs, each with 14 different chord variations. Learn to recognize chords played on over 20 different instruments and synthesizers.

OfficialFeb 17, 2016 · ZenisportCasualFamily SharingSingle-playerSteam AchievementsSteam LeaderboardsWindows

Current best

$8.99

at Steam · Jul 4

All-time low

$8.99

Jul 4, 2026

Stores tracked

1

sources indexed

Review signal

75%

53 reviews

String Theory cover

Current best · Steam

$8.99

Observed Jul 4

View best listing

Current low target

$8.99 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $8.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

String Theory · Region US · Jul 4

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 $8.99
Best observed priceAll-time low

All-time low

$8.99

Jul 4, 2026 · Steam

12-week avg

$8.99

1 recent observations

Current vs low

At low

Current $8.99

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

10 indexed

Common Questions

Where is String Theory cheapest right now?

String Theory is currently indexed at $8.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for String Theory?

The indexed low for String Theory is $8.99 from Steam, observed Jul 4, 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?

String Theory 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.