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Idle Commonwealth
Idle Commonwealth is an idle game that pays homage to the best of the idle genre. Start small, grow your commonwealth, maintain morale, establish governance, invent technologies, trade and conquer your neighbors.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“much better similar games on browser, but not bad and plenty of room for improvement 7/10”
— a player, Steam review · 25 hrs played“While the graphics are simple as are most games of this type the story it's telling is interesting with an interesting game play loop”
— a player, Steam review · 53 hrs played“A really addictive game, but there is something really weird happening with the ram-usage of this game. Sometimes it is down to 300 mb ram, but then it slowly builds up until it takes all the ram available on my computer and crashes it. I got 32 gb ram, should be enought, but…”
— a player, Steam review · 107 hrs playedPlayer activity
Monthly average concurrent players. History through 2026-08 via SteamCharts; self-collected from the Steam API since Aug 2026.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Version 1.01
Changes: - New technologies - New buildings - New achievements - New Cosmic Wonder - Minor tweaks
Version 0.940
Changes: - New alien species added - New reset option - New resource: Antimatter - New Ascend upgrades - New technologies - New buildings - New achievements - New Cosmic Wonder - Minor tweaks
Version 0.923
Changes: - Military rework: Soldier losses when defending greatly reduced, when attacking a much weaker civilization, your military will deal significantly more damage and may even conquer small civil
Version 0.921
Changes: - New technologies - New buildings - New Power tab, simplifying energy management - Minor tweaks
Version 0.916
Changes: - New resource added - New technologies - New buildings - New achievements - Attacks from hostile nations are less frequent - New Cosmic Wonder - New Ascension upgrade - Minor tweaks
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Casual, Indie, Strategy, Free To Play |
| Player tags | Idler · Casual · Clicker · Resource Management · Strategy · City Builder · 2D · Building · Management · Singleplayer · Minimalist · Early Access (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Family Sharing |
| Languages | English * * |
| Achievements | 100 |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 or newer Processor: 2.0 Ghz Memory: 1 GB RAM Graphics: Intel Integrated Graphics Storage: 500 MB available space