About Evolution - Learning Creatures
Use joints, bones and muscles to build creatures that are only limited by your imagination. Watch how the combination of neural networks and an evolutionary algorithm can enable your creatures to learn and improve at...
Use joints, bones and muscles to build creatures that are only limited by your imagination. Watch how the combination of neural networks and an evolutionary algorithm can enable your creatures to learn and improve at their given tasks all on their own. The tasks include running, jumping, climbing and flying. Can you design the ultimate creature that is good at all of the tasks? The latest update allows you to easily share your simulation saves and creature designs with your friends. Note that this is more of a simulation than a game. There are no real objectives. But there is a lot to learn if you are interested in the basics of machine learning and neural networks. You can even look at the source code if you want. There is also a Mac & PC version available for download and a browser version for you to try out on the main project website (keiwando.com/evolution).
Version History This update addresses the recently discovered security vulnerability in the Unity game engine (CVE-2025-59489). 4.0.5 10/06/2025 - Stability Improvements Changes in version 4.0: - Save recordings of your favourite simulation results in the new gallery. - Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation. - Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins. - Improved the performance of save file loading and saving and reduced the memory usage during the simulation. - The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view. - Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible. - Improved UI layout for different screen sizes and resolutions. - Improved the visual quality of the UI. - Other bug fixes and stability improvements. 4.0.4 09/06/2025 - Save recordings of your favourite simulation results in the new gallery. - Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation. - Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins. - Improved the performance of save file loading and saving and reduced the memory usage during the simulation. - The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view. - Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible. - Improved UI layout for different screen sizes and resolutions. - Improved the visual quality of the UI. - Other bug fixes and stability improvements. 4.0.3 08/24/2025 - Save recordings of your favourite simulation results in the new gallery. - Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation. - Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins. - Improved the performance of save file loading and saving and reduced the memory usage during the simulation. - The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view. - Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible. - Improved UI layout for different screen sizes and resolutions. - Improved the visual quality of the UI. - Other bug fixes and stability improvements. 4.0.2 08/13/2025 - Save recordings of your favourite simulation results in the new gallery. - Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation. - Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins. - Improved the performance of save file loading and saving and reduced the memory usage during the simulation. - The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view. - Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible. - Improved UI layout for different screen sizes and resolutions. - Improved the visual quality of the UI. - Other bug fixes and stability improvements. 4.0 08/07/2025 - Added wings and a flying task - Define a fitness penalty if certain joints touch the ground - Assign IDs to muscles that should expand and contract at the same time - Exiting a simulation will now load its creature design into the editor - Bug fixes - Stability improvements 3.1.0 09/19/2022 - Fixed creatures with more than 100% fitness to still be properly sorted. 3.0.5 09/03/2020 Fixed a bug that could cause some not-yet-fully-placed muscles and bones to get stuck and stay on the screen in the creature editor when touches got cancelled. 3.0.4 04/01/2020 - Fixed a bug that caused neural network settings changes to not be applied immediately 3.0.3 10/22/2019 3.0.1: Bugfixes Evolution 3.0 is here and it comes with many new features. Here are some of them: - Import and export save files (so you can share them with your friends) - Distance markers - New and improved editor UI - New save file selection UI - Search save files - Rename save files - Undo & Redo - Selection tool - Move bones and multiple joints at once - Pinch to zoom - Customize muscle strength - Customize bone and joint weights - Multiple selection algorithms - Multiple recombination algorithms - Multiple mutation algorithms - Improved physics simulation performance - Improved visual simulation clarity - Option to hide muscles completely - Zoom during the simulation - Change the population size during the simulation - Rendering the neural network visualization is now about 200x faster - Smaller save files - New Help UI with improved performance Fixes - Added iPhone X/XS support - Fixed memory leaks - Improved deterministic playback - The simulation is now more stable so there should be fewer glitches 3.0.2 10/04/2019 Evolution 3.0 is here and it comes with many new features. Here are some of them: - Import and export save files (so you can share them with your friends) - Distance markers - New and improved editor UI - New save file selection UI - Search save files - Rename save files - Undo & Redo - Selection tool - Move bones and multiple joints at once - Pinch to zoom - Customize muscle strength - Customize bone and joint weights - Multiple selection algorithms - Multiple recombination algorithms - Multiple mutation algorithms - Improved physics simulation performance - Improved visual simulation clarity - Option to hide muscles completely - Zoom during the simulation - Change the population size during the simulation - Rendering the neural network visualization is now about 200x faster - Smaller save files - New Help UI with improved performance Fixes - Added iPhone X/XS support - Fixed memory leaks - Improved deterministic playback - The simulation is now more stable so there should be fewer glitches 3.0.0 09/19/2019 Fixed a bug that caused the autosaver to accidentally delete old save files instead of just overwriting the current autosave. 2.0.3 05/30/2018 - Help section translation in Russian, Portuguese and German - Visualization of muscle contraction / expansion - Important fixes and other improvements 2.0.2 04/28/2018 - new default creature "ROO" - the screen will not go to sleep during the simulation any more - minor fixes 2.0.1 11/14/2017 New Features: - You can now move joints after you’ve placed them - There’s also an optional grid to help you with placing the joints - Customizable Neural Network size - Delete saved creatures and simulations - Option to watch the creatures one at a time while they simulate - Option to simulate a generation in multiple batches - Adjustable advanced simulation settings - You’ll get to see more stats about the best creatures In addition to these new features I’ve also fixed a bunch of major and minor bugs. v1.1.3 Update: Minor additions and fixes: - You can now move the camera around in the creature building scene by using two fingers. - Added an autosave option that saves the simulation at every generation that's a multiple of 10 (so 10, 20, 30...) - The population size, time per generation and the chosen task is now saved in between simulations 2.0 08/31/2017 Major: - Added the option to save and load simulations - Increase hitbox sizes for bones and joints when building creatures Minor: -Added "FROGGER" as a new default creature ( You won't see this one if you already have a creature named "FROGGER") 1.1 05/29/2017 1.0 04/18/2017
Previous Versions
Here you can find the changelog of Evolution - Learning Creatures since it was posted on our website on 2021-12-17 23:16:53.
The latest version is 4.0.5 and it was updated on 2026-10-06 12:53:41. See below the changes in each version.
Evolution - Learning Creatures version 4.0.5
Updated At: 2026-10-06
Changes: Version History This update addresses the recently discovered security vulnerability in the Unity game engine (CVE-2025-59489). 4.0.5 10/06/2025 - Stability Improvements
Changes in version 4.0:
- Save recordings of your favourite simulation results in the new gallery.
- Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation.
- Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins.
- Improved the performance of save file loading and saving and reduced the memory usage during the simulation.
- The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view.
- Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible.
- Improved UI layout for different screen sizes and resolutions.
- Improved the visual quality of the UI.
- Other bug fixes and stability improvements. 4.0.4 09/06/2025 - Save recordings of your favourite simulation results in the new gallery.
- Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation.
- Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins.
- Improved the performance of save file loading and saving and reduced the memory usage during the simulation.
- The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view.
- Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible.
- Improved UI layout for different screen sizes and resolutions.
- Improved the visual quality of the UI.
- Other bug fixes and stability improvements. 4.0.3 08/24/2025 - Save recordings of your favourite simulation results in the new gallery.
- Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation.
- Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins.
- Improved the performance of save file loading and saving and reduced the memory usage during the simulation.
- The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view.
- Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible.
- Improved UI layout for different screen sizes and resolutions.
- Improved the visual quality of the UI.
- Other bug fixes and stability improvements. 4.0.2 08/13/2025 - Save recordings of your favourite simulation results in the new gallery.
- Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation.
- Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins.
- Improved the performance of save file loading and saving and reduced the memory usage during the simulation.
- The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view.
- Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible.
- Improved UI layout for different screen sizes and resolutions.
- Improved the visual quality of the UI.
- Other bug fixes and stability improvements. 4.0 08/07/2025 - Added wings and a flying task
- Define a fitness penalty if certain joints touch the ground
- Assign IDs to muscles that should expand and contract at the same time
- Exiting a simulation will now load its creature design into the editor
- Bug fixes
- Stability improvements 3.1.0 09/19/2022 - Fixed creatures with more than 100% fitness to still be properly sorted. 3.0.5 09/03/2020 Fixed a bug that could cause some not-yet-fully-placed muscles and bones to get stuck and stay on the screen in the creature editor when touches got cancelled. 3.0.4 04/01/2020 - Fixed a bug that caused neural network settings changes to not be applied immediately 3.0.3 10/22/2019 3.0.1: Bugfixes
Evolution 3.0 is here and it comes with many new features. Here are some of them:
- Import and export save files (so you can share them with your friends)
- Distance markers
- New and improved editor UI
- New save file selection UI
- Search save files
- Rename save files
- Undo & Redo
- Selection tool
- Move bones and multiple joints at once
- Pinch to zoom
- Customize muscle strength
- Customize bone and joint weights
- Multiple selection algorithms
- Multiple recombination algorithms
- Multiple mutation algorithms
- Improved physics simulation performance
- Improved visual simulation clarity
- Option to hide muscles completely
- Zoom during the simulation
- Change the population size during the simulation
- Rendering the neural network visualization is now about 200x faster
- Smaller save files
- New Help UI with improved performance
Fixes
- Added iPhone X/XS support
- Fixed memory leaks
- Improved deterministic playback
- The simulation is now more stable so there should be fewer glitches 3.0.2 10/04/2019 Evolution 3.0 is here and it comes with many new features. Here are some of them:
- Import and export save files (so you can share them with your friends)
- Distance markers
- New and improved editor UI
- New save file selection UI
- Search save files
- Rename save files
- Undo & Redo
- Selection tool
- Move bones and multiple joints at once
- Pinch to zoom
- Customize muscle strength
- Customize bone and joint weights
- Multiple selection algorithms
- Multiple recombination algorithms
- Multiple mutation algorithms
- Improved physics simulation performance
- Improved visual simulation clarity
- Option to hide muscles completely
- Zoom during the simulation
- Change the population size during the simulation
- Rendering the neural network visualization is now about 200x faster
- Smaller save files
- New Help UI with improved performance
Fixes
- Added iPhone X/XS support
- Fixed memory leaks
- Improved deterministic playback
- The simulation is now more stable so there should be fewer glitches 3.0.0 09/19/2019 Fixed a bug that caused the autosaver to accidentally delete old save files instead of just overwriting the current autosave. 2.0.3 05/30/2018 - Help section translation in Russian, Portuguese and German
- Visualization of muscle contraction / expansion
- Important fixes and other improvements 2.0.2 04/28/2018 - new default creature "ROO"
- the screen will not go to sleep during the simulation any more
- minor fixes 2.0.1 11/14/2017 New Features:
- You can now move joints after you’ve placed them
- There’s also an optional grid to help you with placing the joints
- Customizable Neural Network size
- Delete saved creatures and simulations
- Option to watch the creatures one at a time while they simulate
- Option to simulate a generation in multiple batches
- Adjustable advanced simulation settings
- You’ll get to see more stats about the best creatures
In addition to these new features I’ve also fixed a bunch of major and minor bugs.
v1.1.3 Update: Minor additions and fixes:
- You can now move the camera around in the creature building scene by using two fingers.
- Added an autosave option that saves the simulation at every generation that's a multiple of 10 (so 10, 20, 30...)
- The population size, time per generation and the chosen task is now saved in between simulations 2.0 08/31/2017 Major:
- Added the option to save and load simulations
- Increase hitbox sizes for bones and joints when building creatures
Minor:
-Added "FROGGER" as a new default creature
( You won't see this one if you already have a creature named "FROGGER") 1.1 05/29/2017 1.0 04/18/2017
Evolution - Learning Creatures version 4.0.5
Updated At: 2025-10-06
Changes: This update addresses the recently discovered security vulnerability in the Unity game engine (CVE-2025-59489).
Evolution - Learning Creatures version 4.0.4
Updated At: 2025-09-06
Changes: Sep 6, 2025
Version 4.0.4
- Stability Improvements
Changes in version 4.0:
- Save recordings of your favourite simulation results in the new gallery.
- Choose from a list of skins such as googly eyes, noses, hands, feet and more and attach them to your creature's bones for a more personalized look. Skins are purely cosmetic and do not affect the simulation.
- Tap a selection of body components with the move tool to show scale and rotation handles for precise adjustments. This is especially useful for fine-tuning the orientation and size of the new skins.
- Improved the performance of save file loading and saving and reduced the memory usage during the simulation.
- The camera now follows the creatures vertically as well, so your flying creatures won't fly out of view.
- Added a background grid to the simulation screen to help see the movement of flying creatures once the ground is no longer visible.
- Improved UI layout for different screen sizes and resolutions.
- Improved the visual quality of the UI.
- Other bug fixes and stability improvements.
Evolution - Learning Creatures version 3.1.0
Updated At: 2022-09-19
Changes: Sep 19, 2022
Version 3.1.0
- Added wings and a flying task
- Define a fitness penalty if certain joints touch the ground
- Assign IDs to muscles that should expand and contract at the same time
- Exiting a simulation will now load its creature design into the editor
- Bug fixes
- Stability improvements
Evolution - Learning Creatures version 3.0.5
Updated At: 2020-09-03
Changes: Sep 3, 2020 Version 3.0.5
- Fixed creatures with more than 100% fitness to still be properly sorted.
Disclaimer
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