diff --git a/docs/development/licenses.md b/docs/development/licenses.md
index f2dc3be34f..61068029d5 100644
--- a/docs/development/licenses.md
+++ b/docs/development/licenses.md
@@ -59,6 +59,7 @@ See below for a summary of the licenses behind RetroArch and its cores:
 | [3D Engine](../library/3d_engine.md)             			           | [GPLv3](https://github.com/libretro/libretro-3dengine/blob/master/license)                |                |
 | [2048](../library/2048.md)                       			           | [Public Domain](https://github.com/libretro/libretro-2048/blob/master/COPYING)            |                |
 | [Anarch](../library/anarch.md)                                                   | [CC0](https://codeberg.org/iyzsong/anarch-libretro/src/branch/master/LICENSE)             |                |
+| [Ardens](../library/ardens.md)                                       | [MIT](https://github.com/tiberiusbrown/Ardens/blob/master/LICENSE.txt)                         |                |
 | [Atari800](../library/atari800.md)               			           | [GPLv2](https://github.com/atari800/atari800/blob/master/COPYING)                         |                |
 | [Beetle bsnes](../library/beetle_bsnes.md)       			           | [GPLv2](https://github.com/libretro/beetle-bsnes-libretro/blob/master/COPYING)            |                |
 | [Beetle Cygne](../library/beetle_cygne.md)       			           | [GPLv2](https://github.com/libretro/beetle-wswan-libretro/blob/master/COPYING)            |                |
diff --git a/docs/guides/core-list.md b/docs/guides/core-list.md
index b3f9bad407..28cf10ad7c 100644
--- a/docs/guides/core-list.md
+++ b/docs/guides/core-list.md
@@ -5,6 +5,7 @@
 | [4DO](https://docs.libretro.com/library/opera/)                       | 3DO                    |                    |
 | a5200                     | Atari 5200             |                    |
 | Anarch                    | Game                   | A port of Anarch, 90s-style Doom clone shooter game |
+| Ardens                    | Arduboy                | A simulator for the Arduboy FX |
 | Arduous                   | Arduboy                | A emulator for Arduboy, a handheld game console with open source software, based on the Arduino hardware platform |
 | [Atari800](https://docs.libretro.com/library/atari800/)                  | Atari 5200             |                    |
 | Beetle bsnes              | Nintendo SNES/SFC      |                    |
diff --git a/docs/library/ardens.md b/docs/library/ardens.md
new file mode 100644
index 0000000000..8346621c40
--- /dev/null
+++ b/docs/library/ardens.md
@@ -0,0 +1,99 @@
+# Ardens
+
+## Background
+
+Ardens is a simulator for the Arduboy FX. 
+
+The Ardens core has been authored by
+
+- [Peter Brown](https://github.com/tiberiusbrown)
+
+The Ardens core is licensed under
+
+- [MIT](https://github.com/tiberiusbrown/Ardens/blob/master/LICENSE.txt)
+
+A summary of the licenses behind RetroArch and its cores can be found [here](../development/licenses.md).
+
+## Requirements¶
+
+None
+
+## BIOS¶
+
+The Ardens core does not feature BIOS use.
+
+## Extensions
+
+Content that can be loaded by the Ardens core have the following file extensions:
+
+- `.hex` or `.arduboy`
+
+RetroArch database(s) that are associated with the Ardens core:
+
+- [`Arduboy Inc - Arduboy.rdb`](https://github.com/libretro/libretro-database/blob/master/rdb/Arduboy%20Inc%20-%20Arduboy.rdb)
+
+## Features
+
+Frontend-level settings or features that the Ardens core respects:
+
+| Feature           | Supported |
+|-------------------|:---------:|
+| Restart           | ✔         |
+| Saves             | ✔         |
+| States            | ✔         |
+| Rewind            | ✔         |
+| Netplay           | ✕         |
+| Core Options      | ✕         |
+| RetroAchievements | -         |
+| RetroArch Cheats  | ✕         |
+| Native Cheats     | ✕         |
+| Controls          | ✔         |
+| Remapping         | ✔         |
+| Multi-Mouse       | ✕         |
+| Rumble            | ✕         |
+| Sensors           | ✕         |
+| Camera            | ✕         |
+| Location          | ✕         |
+| Subsystem         | ✕         |
+| [Softpatching](../guides/softpatching.md) | ✕         |
+| Disk Control      | ✕         |
+| Username          | ✕         |
+| Language          | ✕         |
+| Crop Overscan     | ✕         |
+| LEDs              | ✕         |
+
+## Geometry and timing
+
+- The Ardens core's core provided FPS is 60
+- The Ardens core's base width is 128
+- The Ardens core's base height is 64
+- The Ardens core's max width is 128
+- The Ardens core's max height is 64
+
+
+## User 1 device types
+
+The Ardens core supports the following device type(s) in the controls menu, bolded device types are the default for the specified user(s):
+
+- None - Doesn't disable input.
+- **RetroPad**
+- RetroPad w/Analog
+
+
+## Joypad
+
+| RetroPad Inputs                                | User 1 input descriptors | 
+|------------------------------------------------|--------------------------|
+| ![](../image/retropad/retro_b.png)             | Button B                 |
+| ![](../image/retropad/retro_dpad_up.png)       | Up                       |
+| ![](../image/retropad/retro_dpad_down.png)     | Down                     |
+| ![](../image/retropad/retro_dpad_left.png)     | Left                     | 
+| ![](../image/retropad/retro_dpad_right.png)    | Right                    | 
+| ![](../image/retropad/retro_a.png)             | Button A                 | 
+
+
+## External Links
+
+- [Official Ardens Website](https://github.com/tiberiusbrown/Ardens)
+- [Libretro Ardens Core info file](https://github.com/libretro/libretro-super/blob/master/dist/info/ardens_libretro.info)
+- [Report Libretro Ardens Core Issues Here](https://github.com/tiberiusbrown/Ardens/issues)
diff --git a/mkdocs.yml b/mkdocs.yml
index 83095c75ec..b735efb330 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -110,6 +110,8 @@ nav:
         - 'Arcade (MAME 2003-Plus)': 'library/mame2003_plus.md'
         - 'Arcade (MAME 2010)': 'library/mame_2010.md'
         - 'Arcade (SAME_CDI)': 'library/same_cdi.md'
+      - 'Arduboy':
+        - 'Ardens': 'library/ardens.md'
       - 'Atari Emulation':
         - 'Atari - Jaguar Compatibility List': 'library/compatibility/jaguar.md'
         - 'Atari - Lynx Compatibility List:': 'library/compatibility/lynx.md'