Steam
BestOfficialIn stockメアリウム · Region US · Jul 15
$2.99
メアリウム
少年が迷い込んだのは悪夢の水族館『メアリウム』。果たして彼は襲い来る異変を乗り越え、無事家に帰る事ができるのでしょうか？KOTAKE CREATE様の『8番のりば』を参考に、ドット絵で構成された2Dホラーゲームです。
OfficialJan 20, 2025 · 群悠AdventureDualSense Controller SupportDualShock Controller SupportFamily SharingFull controller supportWindows
Current best
$2.99
at Steam · Jul 15
All-time low
$2.99
Jul 15, 2026
Stores tracked
1
sources indexed
Review signal
No reviews
Current best · Steam
$2.99
Observed Jul 15
View best listingCurrent low target
$2.99 · matches the current indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $2.99 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
1 observationsBest observed priceAll-time low
All-time low
$2.99
Jul 15, 2026 · Steam
12-week avg
$2.99
1 recent observations
Current vs low
At low
Current $2.99
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
11 indexedCommon Questions
Where is メアリウム cheapest right now?
メアリウム is currently indexed at $2.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for メアリウム?
The indexed low for メアリウム is $2.99 from Steam, observed Jul 15, 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?
No review summary is indexed for this game yet.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.