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Core Keeper vs Project Zomboid
Project Zomboid is the more played game right now: 48,392 players on Steam against 14,961 for Core Keeper, about 3× more players. Project Zomboid has been ahead for 77 days straight.
Core Keeper is currently 40% off on Steam. Across all tracked metrics, Project Zomboid leads 8 of 10.
Players over time
Live Steam player counts. Core Keeper is read every 10 minutes, Project Zomboid every 5 minutes. Both are Indie / RPG games.
Which one have you played more?
Coilr members average 23.3h in Core Keeper and 52.0h in Project Zomboid. Connect your Steam account and this row fills in with your own hours instead — then keeps tracking both, so you can see which one you are actually still playing.
Core Keeper
23.3h
average of 33 members
Project Zomboid
52.0h
average of 131 members
See my hours in both
Free · read-only via Steam OpenID · no password · delete anytime
Core Keeper
20,175Project Zomboid
64,939Daily averages · latest day · Project Zomboid, 3.2× the players of Core Keeper
One point per day, averaged · Your time zone · drag or use arrow keys to read the lines
Tracked by Coilr since May 2026 · Core Keeper is read every 10 minutes, Project Zomboid every 5 minutes · methodology
These are Steam players only. A game that also runs on its own launcher, a storefront of its own or on console has players this number cannot see, so read it as a comparison of Steam audiences rather than of total ones.
Head-to-head record
Project Zomboid has had the higher daily player count for the last 77 days, every day since Coilr began tracking both games.
Core Keeper led 0 daysProject Zomboid led 77 days
- Days tracked
- 77
- Current streak
- 77 days
- Project Zomboid
- Lead changes
- 0
- Closest gap
- 65%
- Oct 9, 2026
How this works: each game's daily average concurrent players (from Coilr's own Steam readings), compared on the 77 days where both games have data. Whichever averages higher leads that day.
Side by side
Every number Coilr has for both games. The better figure in each row is in green.
| Metric | Core Keeper | Project Zomboid |
|---|---|---|
| Players right now | 14,961 | 48,392 |
| 24-hour peak | 29,132 | 82,545 |
| 7-day average | 19,054 | 53,158 |
| 30-day average | 16,788 | 50,827 |
| 30-day trend | +134% | −28% |
| Peak (tracked) | 29,132 | 124,894 |
| Steam reviews | 93% positive | 94% positive |
| Recent reviews (3 mo) | 92% positive | 89% positive |
| Total reviews | 67,211 | 487,418 |
| Owners (SteamSpy est.) | ~1,000,000 | ~10,000,000 |
| Release date | Aug 27, 2024 | Nov 8, 2013 |
| Price | $11.99 (−40%) | $24.99 |
Players by month
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (readings every few minutes for the biggest games, hourly averages beyond 30 days).
| Month | Core Keeper | Project Zomboid | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| May 2026 | — | — | 26,844 | 38,458 |
| Jun 2026 | — | — | 24,896 | 38,508 |
| Jul 2026 | 2,789 | 4,066 | 30,025 | 86,490 |
| Aug 2026 | 3,028 | 5,009 | 77,386 | 124,894 |
| Sep 2026 | 4,471 | 9,184 | 54,924 | 100,580 |
| Oct 2026 (so far) | 12,871 | 29,132 | 52,953 | 82,545 |
Frequently asked
Which has more players, Core Keeper or Project Zomboid?
Project Zomboid currently has more players: 48,392 concurrent players on Steam vs 14,961 for Core Keeper, about 3× more players.
Is Core Keeper bigger than Project Zomboid on Steam?
Over the last 30 days Core Keeper averaged 16,788 concurrent players and Project Zomboid averaged 50,827. By that measure Project Zomboid is currently the bigger game.
Has Core Keeper ever had more players than Project Zomboid?
Not in Coilr's head-to-head tracking: Project Zomboid has had the higher daily average concurrent player count on Steam on every one of the 77 days both games have been tracked.
Is Core Keeper better than Project Zomboid?
By Steam review score, Project Zomboid rates higher: 94% positive across 487,418 reviews vs 93% across 67,211 for Core Keeper. Project Zomboid has the larger player base right now (48,392 vs 14,961 concurrent). Player counts, ratings, price and trend are compared side by side above.
Is Core Keeper growing or declining on Steam?
Core Keeper averaged 16,788 concurrent players over the last 30 days, up 134% vs the previous 30 days. Its highest tracked player count is 29,132.
Is Project Zomboid growing or declining on Steam?
Project Zomboid averaged 50,827 concurrent players over the last 30 days, down 28% vs the previous 30 days. Its highest tracked player count is 124,894.
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