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KeyDwarf tracks listings. Nothing sold here.

ERI

We control the ERI, this is self-learning artificial intelligence, which has to overcome 45 levels. The purpose of the test is to overcome obstacles and get to the portals, which will take us to more difficult levels.

OfficialApr 4, 2019 · Mauri RepublicActionIndieFamily SharingSingle-playerSteam AchievementsWindows

Current best

$1.99

at Steam · Jul 6

All-time low

$1.99

Jul 6, 2026

Stores tracked

1

sources indexed

Review signal

80%

5 reviews

ERI cover

Current best · Steam

$1.99

Observed Jul 6

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

ERI · Region US · Jul 6

$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 6, 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

9 indexed

Common Questions

Where is ERI cheapest right now?

ERI 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 ERI?

The indexed low for ERI is $1.99 from Steam, observed Jul 6, 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?

ERI 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.