Steam
BestOfficialIn stockZero One / 杀戮世界 · Region US · Jul 7
$1.99
Zero One / 杀戮世界
『Hello 殺戮 world -ZERO ONE-』To punish juvenile delinquents who brutally murdered her sister, genius game maker made a perfect revenge plan... This is a text adventure game of Full-Voice, which uses various branch options to complete four different endings. Is it salvation or destruction that awaits the hero at last? That's a question.
OfficialMar 20, 2019 · Studio ShoutarouAdventureIndieRPGFamily SharingSingle-playerWindows
Current best
$1.99
at Steam · Jul 7
All-time low
$1.99
Jul 7, 2026
Stores tracked
1
sources indexed
Review signal
76%
21 reviews
Current best · Steam
$1.99
Observed Jul 7
View best listingCurrent 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
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
$1.99
Jul 7, 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
11 indexedCommon Questions
Where is Zero One / 杀戮世界 cheapest right now?
Zero One / 杀戮世界 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 Zero One / 杀戮世界?
The indexed low for Zero One / 杀戮世界 is $1.99 from Steam, observed Jul 7, 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?
Zero One / 杀戮世界 has a best indexed review signal of 76%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.