Steam app 3487770 · updated 12 Sep 2026, 21:22 UTC
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.
717 hourly samples, with the daily peak drawn over them. Weekends are shaded.
19 months, March 2025 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 432 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 285 hourly samples. Each dip is a night. Weekends are shaded.
Idle Commonwealth was released on 5 Jun, 2025.
| Language | Full audio |
|---|---|
| English | ● |
A blank audio cell means full audio was not marked in the returned language list.
100 achievements in total.
29 developer announcements, Feb 2025 to Jun 2025 · times in UTC
Changes:- New technologies- New buildings- New achievements- New Cosmic Wonder- Minor tweaks
Patch notesChanges: - New alien species added - New reset option - New resource: Antimatter - New Ascend upgrades - New technologies - New buildings - New achievements - New Cosmic Wonder - Minor tweaks
Patch notesChanges: - 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 civilizations in a single attack - New gene…
Patch notesChanges: - New technologies - New buildings - New Power tab, simplifying energy management - Minor tweaks
Patch notesChanges: - New resource added - New technologies - New buildings - New achievements - Attacks from hostile nations are less frequent - New Cosmic Wonder - New Ascension upgrade - Minor tweaks
Patch notesChanges: - Copper and uranium technologies no longer require the player to start trading with the newly discovered civilization in order to appear - New ancient tablets mechanic (if the player has completed their first reset and already…
Patch notesChanges: - Food production penalty on cold days reduced to -40% - Blessing now doubles gene production - New technologies - New buildings - New World Wonder - Minor tweaks
Patch notesChanges: - Genetics mechanic added - New resource - New technologies - New buildings - New achievements - Minor tweaks
Patch notesChanges: - Fixed the blessing/ascension bug - Minor tweaks
Patch notesChanges: - Project moved to the newest version of Unity - Cold weather will now be shorter - From now on, there is a chance to get 2 citizens instead of just one when population is not full - Nuclear power uranium usage increased - New…
Patch notesChanges: - Players will no longer be attacked by hostile nations when their population is low - Uranium technology costs reduced - New technologies added - New buildings added - New government type available - Minor tweaks
Patch notesChanges: - Fixed the issue that could cause players to lock themselves out of uranium technologies - Railway cost increased - New Ascend upgrade - Music volume slider added - Minor tweaks
Patch notesChanges: - Aspect ratio fixed - Minor tweaks
Patch notesChanges: - Windowed mode added - New mechanic "Celebrations" - New achievements - New technology - Minor tweaks
Patch notesChanges: - Balance changes - New achievements - Minor tweaks
Patch notesChanges: - More visuals added - Great Library Wonder cost changed - Planet unification remade - Second Ascend option rebalanced - New technology added - New achievements - Minor tweaks
Patch notesChanges: - Uranium technology costs updated (balance) - Some visuals modified - Minor tweaks
Patch notesChanges: - Some visuals modified - Small bug fixes - Minor tweaks
Patch notesChanges: - More visuals added - New World Wonder - New achievements - Minor tweaks
Patch notesChanges: - Added graphical representation of buildings and population - New Ascend upgrade - New achievements
Patch notesChanges: - Profession tooltips now show actual production, not base production - Weapon and armor technology costs reduced (Bronze, Iron, etc.) - You can now see your acquired ascension upgrades in a new tab once you buy at least one - New…
Patch notesChanges: - Wonder cost updated (balance) - Blessings now last longer (balance) - New achievements - Minor tweaks
Patch notesChanges: - 2 new Ascend upgrades - Priest base bonus increased (balance) - From now on, when building Wonders, there is a chance to get 2% completed for the price of one - New achievements - Minor tweaks
Patch notesChanges: - Steam achievements implemented
Patch notesChanges: - Two ascend upgrades changed (levels added) - Relic stars earned are now recorded and displayed in stats - Minor UI changes
Patch notesChanges: - 3 new Ascend upgrades - New achievement - Balance changes - Minor mechanics tweaked
Patch notesChanges: - Two new World Wonders added - New achievements - New Ascend upgrade - Balance changes - Minor bug fixes (4k resolution)
Patch notesChanges: - Blessings will appear more often - Blessings now indicate the time they are active - New Ascend upgrade - Sent gifts are now counted and shown in Stats - New achievements - Minor bug fixes
Patch notesChanges: - Trade bonus indicator added to the diplomacy screen - Republic government type changes - Minor tweaks
Patch notesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Commonwealth.exe | any |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG