Ethos Idle1.9.13 - App Store

Chart the progess of Humanity through the ages, and guide their every discovery from the moment they kindle the first fire to the far future. Develop over 200 unique ideas across three different flavours of thought. Help your people to conquer or make peace with their enemies, explore and exploit the world, and develop projects to meet their needs.

Manage your tribe's choices to squeeze out more strength, or sit back and idle as your clan develop on their own. Advance as far as you can take your people, and then collect bonuses to improve future runs. Select varied challenges that change the way the game plays, and combine these challenges to create your own unique scenarios with big rewards.

Features:
- Over 200 historic ideas to develop, across 3 flavours of thought
- Dozens of exploration bonuses and synergies to unlock and exploit
- Permanently power up your civilisation with prestige mechanic upgrades
- Combine varied challenge conditions to create your own scenarios with powerful rewards
- Optional, out-of-the-way ads won't interrupt your experience
- A completely offline, single player experience
- All game content is accessible for free

Version History Tidied up Help pages.

Performance improvements.

API updates. 1.9.13 Sep 15 Fixed an issue introduced in 1.9.11 affecting Ideas selection late in the Overseer timeline. 1.9.12 Aug 18 Performance improvements. 1.9.11 Aug 17 Performance improvements.

Ad system API update. 1.9.10 Aug 12 Fixed an occasional issue with missing Discoveries; games missing these Discoveries should restore automatically.

Improved Hard Reset flow. 1.9.9 Jun 4 API updates. 1.9.8 May 28 Added Max Offline Progress setting under Settings > Controls. 1.9.7 May 20 Wider screens now display a vertical navigation bar on the Ideas page. 1.9.6 Mar 4 Reworked saving and loading.
Reduced save file size by about half.
Loading a game now fixes NaN values that were caused by an issue fixed in an earlier version. 1.9.5 Feb 9 Fixed an issue that might cause ad completion to fail.
Fixed an issue in which an exploration timer would reset on app restart.
Changed new game startup to hopefully eliminate a rare issue in which exploration cards don't appear on the first run, making the gate unreachable.
Fixed an issue in which a late game bonus' name would flicker rapidly in the breakdown list.
Engine update. 1.9.3 Jan 25 Added a new challenge under Challenges V.
Added Challenges VI, with two new challenges.
Added a new Futures upgrade. 1.9.2 12/16/2025 Reorganised Settings menu to make it easier to navigate.
Added new Settings > Controls > Idea Activation setting with Touch mode, to reduce the need to tap.
Databanks idea gains now show stat hint icons.
Overview page choice is removed from Settings, now available as a toggle button on the Overview page itself.
Updated Unity version and ads API. 1.8.7 11/26/2025 Improved the introduction to Challenges before Multi-Challenges to make this part of the game clearer.
Cards with Defeat outcomes now remain after defeat so you can review what happened.
Databanks no longer reduce their own gains when combined with Amnesiacs.
API Updates, including ad system responsiveness.
Rewrite to fix iCloud save functionality.
Other small display fixes. 1.8.4 10/24/2025 Added Challenges V with 2 new challenges for now.
Fixed Mentalism bonus applying everywhere.
Reduced Mentalism bonus.
Reduced Genetic Printing bonus.
Stat breakdowns now show unnecessary breakdown lines less often. 1.8.0 10/01/2025 End-of-run upgrades can now be purchased during a run again. Added tap protection to reduce accidental purchases.
Now always shows the estimated time to next Spirit on the Gate page.
Other small UI fixes. 1.7.4 09/26/2025 Large late-game content expansion! Reach into alternate Timelines with different rules, goals and rewards.
Massively improved Amnesiacs performance when making big leaps in Idea gains.
Improved general game performance and offline processing.
Long Future runs now reward slightly more future prestige currency.
Fixed an issue in which planet discoveries could fail to appear. 1.7.3 09/23/2025 Returned a misplaced population growth rate in the Overview breakdown.
Fixed a timing issue in run resets that could alter the starting population. 1.6.4 07/23/2025 New Overview Screen setting allows switching to an Overview list that displays more detailed stats.
New exploration cards setting allows collapsing cards to save space.
Reworked breakdown lists to give a clearer breakdown of stat sources and reduce fluff.
Made Settings choices collapsible for easier navigation.
Adjusted anti-flicker settings to give a better spread across the options.
Fixed an issue that could sometimes prevent planet assimilation becoming available.
Eliminated the minimum speed on accumulating requirements so that remaining duration follows a more intuitive curve.
Other minor display changes. 1.6.3 07/16/2025 Added display of unallocated ideas and production in the status bar.
Added spirit/min display in run summary after unlocking Challenges II.
Added anti-flicker on progress bars, and a new Setting to control its impact.
Disabled long-press functionality by default for new players. 1.6.2 07/01/2025 Added three new challenges under Challenges IV.
Increased the cost of Challenges III.
Cut the requirement for Grueling in half.
Switched the rewards for Amnesiacs and Grueling.
Added more late-game Exploration discoveries.
Slightly reduced the impact of Cores on Idea-generating ideas.
Made contest requirements grow faster in the late game.
Introduced some tap protection around significant game choices.
Made the in-game changelog scrollable to fit large entries. 1.6.0 06/25/2025 Upgraded AdMob plugin to address ad completion issues.
Some UI rewriting to support future content. 1.5.6 06/16/2025 Returned a missing description on the Fertility upgrade. 1.5.4 05/30/2025 Reworked game engine to better handle modifiers.
Added support for 16KB memory page sizes. 1.5.3 05/27/2025 Reduced base cost of Inspiration from 50 to 35 Spirit.
Rebellion and Usurper contests now use those names during a run, as well as in challenge selection. (Previously Uprising and Rival)
Made Planets effect on production also affect the drag from existing project values, making it slightly stronger, especially early on.
Reduced the cost of Interstellar Logistics from 100 to 60 levels of Orbital Factories.
Harmony and Gaia Project effects now combine multiplicatively, as intended. 1.5.2 05/20/2025 Improved stat breakdown for better readability.
Set display order on Exploration page to make it consistent for Contests and Future content. 1.5.1 05/13/2025