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Lesson Learned

Help Frank travel through history in this unique approach to the tower defense genre. Enter a bizarre daydream world in co-op or solo mode. Gather resources, build defense towers, and manage your minions. Take up the challenge and defeat the incoming enemies!

OfficialMay 29, 2024 · MadGamesmithAdventureCasualIndieStrategyCo-opWindows

Current best

$1.99

at GOG · Jul 16

All-time low

$0.99

Jul 9, 2026

Stores tracked

2

sources indexed

Review signal

85%

20 reviews

Lesson Learned cover

Current best · GOG

$1.99$9.9980%

Observed Jul 16

View best listing

Observed low target

$0.99 · based on the previous indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $1.99 at GOG.

2/2
G

GOG

BestOfficialIn stock

Lesson Learned · Region US · Jul 16

$1.99

was $9.99 · 80%

View listing
S

Steam

OfficialIn stock

Lesson Learned · Region US · Jul 15

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

5 observations
Low $0.99
Best observed priceAll-time low

All-time low

$0.99

Jul 9, 2026 · Steam

12-week avg

$4.99

5 recent observations

Current vs low

+101%

Current $1.99

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 Lesson Learned cheapest right now?

Lesson Learned is currently indexed at $1.99 from GOG. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Lesson Learned?

The indexed low for Lesson Learned is $0.99 from Steam, observed Jul 9, 2026. The current indexed price is 101% above that low, so KeyDwarf labels it "Watch for drop".

Is the top source safe?

GOG 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?

Lesson Learned has a best indexed review signal of 85%.

Can KeyDwarf notify me about a lower price?

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