Steam
BestOfficialIn stock异变战区 E.E.R.I.E · Region US · Jul 16
$6.99
异变战区 E.E.R.I.E
E.E.R.E.I is a open world TPS.In a modern magic world, play the role of three fully armed spirit girl from the eastern and western mythology, entering the dangerous war zone, using a variety of modern small arms and tactical equipment to complete their respective missions!
OfficialJun 12, 2021 · UreasoftActionAdventureIndieRPGFamily SharingWindows
Current best
$6.99
at Steam · Jul 16
All-time low
$4.19
Jul 9, 2026
Stores tracked
1
sources indexed
Review signal
79%
482 reviews
Current best · Steam
$6.99
Observed Jul 16
View best listingObserved low target
$4.19 · based on the previous indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $6.99 at Steam.
1/1
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 observationsBest observed priceAll-time low
All-time low
$4.19
Jul 9, 2026 · Steam
12-week avg
$5.59
2 recent observations
Current vs low
+67%
Current $6.99
Recommendation
Watch for drop
consider setting an alert
Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.
Media
12 indexedCommon Questions
Where is 异变战区 E.E.R.I.E cheapest right now?
异变战区 E.E.R.I.E is currently indexed at $6.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for 异变战区 E.E.R.I.E?
The indexed low for 异变战区 E.E.R.I.E is $4.19 from Steam, observed Jul 9, 2026. The current indexed price is 67% above that low, so KeyDwarf labels it "Watch for drop".
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?
异变战区 E.E.R.I.E has a best indexed review signal of 79%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.