Steam
BestOfficialIn stockTetra Project - 原石计划 · Region US · Jul 6
$9.99
Tetra Project - 原石计划
欢迎来到原石计划，你已成为计划的一部分。在这个计划里，你将带领辛西娅逃出危险的地下研究所，战棋+卡牌+roguelike+DBG的玩法和丰富MOD将给你带来独特的全新体验
OfficialSep 23, 2019 · AliveGameStudioEarly AccessIndieStrategyFamily SharingSingle-playerWindows
Current best
$9.99
at Steam · Jul 6
All-time low
$9.99
Jul 6, 2026
Stores tracked
1
sources indexed
Review signal
89%
569 reviews
Current best · Steam
$9.99
Observed Jul 6
View best listingCurrent low target
$9.99 · matches the current indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $9.99 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
$9.99
Jul 6, 2026 · Steam
12-week avg
$9.99
1 recent observations
Current vs low
At low
Current $9.99
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 indexedCommon Questions
Where is Tetra Project - 原石计划 cheapest right now?
Tetra Project - 原石计划 is currently indexed at $9.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Tetra Project - 原石计划?
The indexed low for Tetra Project - 原石计划 is $9.99 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?
Tetra Project - 原石计划 has a best indexed review signal of 89%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.