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One Line: Letters and Codes

You have just received a coded love letter! In this minimalist puzzle, you will have to draw a single line to fill the entire board. At each level solved, get a code to reveal a piece of the letter. Gather the codes, read the letter and discover the message.

OfficialMar 10, 2022 · Climbing Goat GamesCasualIndieCustom Volume ControlsDualShock Controller SupportFamily SharingWindows

Current best

$1.99

at Steam · Jul 10

All-time low

$1.99

Jul 10, 2026

Stores tracked

1

sources indexed

Review signal

94%

68 reviews

One Line: Letters and Codes cover

Current best · Steam

$1.99

Observed Jul 10

View best listing

Current low target

$1.99 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $1.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

One Line: Letters and Codes · Region US · Jul 10

$1.99

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

1 observations
Low $1.99
Best observed priceAll-time low

All-time low

$1.99

Jul 10, 2026 · Steam

12-week avg

$1.99

1 recent observations

Current vs low

At low

Current $1.99

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 One Line: Letters and Codes cheapest right now?

One Line: Letters and Codes is currently indexed at $1.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for One Line: Letters and Codes?

The indexed low for One Line: Letters and Codes is $1.99 from Steam, observed Jul 10, 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?

One Line: Letters and Codes has a best indexed review signal of 94%.

Can KeyDwarf notify me about a lower price?

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