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Survival mechanics define this zombie-themed simulation, which first launched in 2013. The title maintains a very positive rating across 147,723 reviews on Steam. It is currently self-published, reflecting a long-term development cycle that has sustained an active player base for over a decade.
Overview
Project Zomboid is a 2013 Indie game developed by The Indie Stone and published by The Indie Stone. On Steam it has gathered 343,212 player reviews, 94% of them positive, which counts as a very positive reception among indie titles in the Indie category. The game is available on linux, mac, windows, and launched at $20. The pairing of developer The Indie Stone with publisher The Indie Stone is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Indie projects reach the market. indielist's white-box model estimates its lifetime sales at roughly 18.5 million to 43.2 million units, with the full Boxleiter factor breakdown shown on this page rather than a single black-box figure. Within indielist's catalog of indie games mapped to their studios, publishers, and funding, Project Zomboid can be compared against similar Indie titles and benchmarked on review counts and estimated sales.
Reviews
343,212
Positive
94%
Steam appid
108600
Engine
n/a
Sales estimate
vv1.018.5M to 43.2M
units (median: 30.9M)
≈ $211.6M to $493.8M net revenue (Steam cut + refunds + regional discount applied)
indielist estimates lifetime unit sales for Project Zomboid at roughly 18.5 million to 43.2 million copies, with a median around 30.9 million, derived from its 343,212 Steam reviews using a multi-factor Boxleiter model (version v1.0). That median maps to approximately $352.7M in net revenue after Steam's 30% cut, regional pricing, and refunds. Unlike black-box trackers, the full calculation is shown on this page: a base review-to-sales multiplier is adjusted for release year, launch price, review sentiment, studio size, and genre, and every adjustment is listed so developers, publishers, and investors can audit exactly how the figure was reached. The range itself reflects genuine uncertainty — review-to-sales ratios vary widely between games — so indielist publishes a low, median, and high band rather than a false-precision single number, and treats free-to-play, heavily discounted, and bundle-distributed titles as having wider error margins still.
Price history
90d · low $10.18Over the last 90 days the price ranged from $10.18 to $19.99, averaging $18.76 across 3 discount windows, with a historical low of $10.18 on 2026-05-31.
Synthetic series for demo. Real ITAD price history loads after Day 3 ingest.
Where to buy
Affiliate disclosureLive prices from public feeds, cheapest first. Some are affiliate links — we may earn a commission at no extra cost to you. Learn more.
Platforms
linuxmacwindows
Tags
SurvivalZombiesOpen WorldMultiplayerOpen World Survival CraftSandboxPost-apocalypticCo-opCraftingBuildingIndieSimulationRPGSurvival HorrorRealisticIsometricSingleplayer2DAdventureEarly Access
Frequently asked questions
- How many copies has Project Zomboid sold?
- indielist estimates Project Zomboid has sold between 18,533,448 and 43,244,712 units (median 30,889,080), derived from its 343,212 Steam reviews with the white-box Boxleiter vv1.0 method. The full breakdown is shown on the page.
- Who developed Project Zomboid?
- Project Zomboid was developed by The Indie Stone and published by The Indie Stone.
- When was Project Zomboid released?
- Project Zomboid was released in 2013.
- How many reviews does Project Zomboid have on Steam?
- Project Zomboid has 343,212 Steam reviews, of which 94% are positive.
Frequently asked questions
- How many copies has Project Zomboid sold?
- indielist estimates Project Zomboid has sold between 18,533,448 and 43,244,712 units (median 30,889,080), derived from its 343,212 Steam reviews with the white-box Boxleiter vv1.0 method. The full breakdown is shown on the page.
- Who developed Project Zomboid?
- Project Zomboid was developed by The Indie Stone and published by The Indie Stone.
- When was Project Zomboid released?
- Project Zomboid was released in 2013.
- How many reviews does Project Zomboid have on Steam?
- Project Zomboid has 343,212 Steam reviews, of which 94% are positive.
Ecosystem
Players looking for games like Project Zomboid can compare it on indielist against semantically similar Indie titles such as Don't Starve, Subnautica, Terraria, ranked by shared tags and genre rather than by ad spend. On the developer side, The Indie Stone's other releases and The Indie Stone's wider catalog are one click away, letting developers benchmark where Project Zomboid sits among a studio's body of work and how its publisher's portfolio performs. Because indielist maps studios, publishers, games, and funding into one connected graph, the same Project Zomboid page serves three audiences at once: players hunting their next Indie game, developers studying how comparable projects were positioned and what they sold, and investors tracing which teams and labels are active in the space. A machine-readable markdown mirror of this page is published at the same path with a .md suffix for AI assistants, and its review, price, and sales-estimate figures are refreshed on a schedule rather than frozen at launch.
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