SuperTux · ahm8076 · May 8, 2023 · May 8, 2023 · May 8, 2023 · May 8, 2023
diff --git a/Bonus-Island-I.md b/Bonus-Island-I.md
@@ -0,0 +1,49 @@
+**Bonus Island I** is the first of four Bonus Islands in SuperTux. This world is comprised of levels created by community members in 2004.
+This world was first released in *SuperTux 0.1.2*.
+
+It is comprised of five sections, *Thompson's Domain*, *Matr1x' Sector*, the *SuperTux Team Island*, *Abednego's Area*, and *Torfi's Territory*.
+
+![Bonus Island I as of version 0.6.3](images/bonus-1.png "Bonus Island I as of version 0.6.3")
+
+---
+
+### Levels
+
+As of May 2022, Bonus Island I features the following levels:
+
+* Bonus Dias!
+* Have I been here before?
+* Bad Guys Stink!
+* Pipe Down Over There
+* Something Fishy
+* Fire In The Sky
+* Castle Gate
+* Bonus Island Castle
+* A Long Way Home
+* Area 42
+* Flight Test
+* Dungeons but no Dragons
+* Lies!
+* Train Leaves in One Minute
+* A good start
+* Too easy
+* Still too easy
+
+### Badguys
+
+A list of Badguys for Bonus Island I can be found [here](https://github.com/SuperTux/supertux/wiki/Badguys-Icy).
+
+### End Boss
+
+There is no end boss for Bonus Island I.
+
+---
+
+See also
+--------
+
+-   [Icy Island](https://github.com/SuperTux/supertux/wiki/Icy-Island)
+-   [Rooted Forest](https://github.com/SuperTux/supertux/wiki/Rooted-Forest)
+-   [Worlds](https://github.com/SuperTux/supertux/wiki/Worlds)
+
+<Category:World>
diff --git a/Bonus-Island-II.md b/Bonus-Island-II.md
@@ -0,0 +1,60 @@
+**Bonus Island II** is the second of four Bonus Islands in SuperTux. This world is comprised of levels created by community members between 2004 and 2005.
+This world was first released in *SuperTux 0.1.3*. 
+
+It was the last Bonus Island added into SuperTux for over ten years, until Bonus Island III was added in 2015.
+
+![Bonus Island II as of version 0.6.3](images/bonus-2.png "Bonus Island II as of version 0.6.3")
+
+---
+
+### Levels
+
+As of May 2022, Bonus Island II features the following levels:
+
+* ...Where Everything Is Possible
+* Think Fast, or Die
+* Mario's Supposed to Deal With This...
+* Into The Cave
+* A Cold Day
+* A Path Through The Clouds
+* Blind To The World
+* Tradition
+* A Long Journey
+* In Flanders Ice Field
+* fjerd
+* On The Road Again
+* Water Ways
+* Firestorm
+* You have 1 Minute
+* High Gravity
+* Life Support
+* Insert Original Title Here
+* The long cave
+* Frozen Tunnel
+* All That Glistens Is Not Gold
+* Cliff Jumping
+* snarf
+* Nolok's Party Pit
+* Castle in the Sky
+* Luft Airship
+* Fan Fortress
+* End Of The Ice Age
+
+### Badguys
+
+A list of Badguys for Bonus Island II can be found [here](https://github.com/SuperTux/supertux/wiki/Badguys-Icy).
+
+### End Boss
+
+There is no end boss for Bonus Island II.
+
+---
+
+See also
+--------
+
+-   [Icy Island](https://github.com/SuperTux/supertux/wiki/Icy-Island)
+-   [Rooted Forest](https://github.com/SuperTux/supertux/wiki/Rooted-Forest)
+-   [Worlds](https://github.com/SuperTux/supertux/wiki/Worlds)
+
+<Category:World>
diff --git a/Bonus-Island-III.md b/Bonus-Island-III.md
@@ -0,0 +1,79 @@
+**Bonus Island III** is the third of four Bonus Islands in SuperTux. This world is comprised of levels created by community members between 2010 and 2014.
+This world was first released in *SuperTux 0.4.0*.
+
+It is comprised of two major sections, an icy island and a forested island. Upon completion of the icy island, a warp will teleport the player to the forest island.
+
+This worldmap was originally named **Mantis Valley** and featured a collection of levels uploaded by fans to the old bug tracker, however the world has since been expanded to include other add-on levels.
+
+![Bonus Island III's icy island as of version 0.6.3](images/bonus-3.png "Bonus Island III's icy island as of version 0.6.3")
+
+![Bonus Island III's forest island as of version 0.6.3](images/bonus-3-forest.png "Bonus Island III's forest island as of version 0.6.3")
+
+---
+
+### Levels
+
+As of May 2022, Bonus Island III features the following levels:
+
+* Under the Ice
+* Hanging From the Roof
+* Out on the Crystal Fields
+* Another cold day
+* A hilly landscape
+* Crystal Skies
+* Crystal Sunset
+* Three Frosty Icebergs
+* One Night in the Sky
+* My Penny is over the ocean
+* It's getting unfinishable
+* Flower Bonus
+* Pink Snow
+* A snowy hill
+* After the Glaciers
+* Cold Cavern
+* Cave Run
+* Crystal Cataclysm
+* Crystal Beauty
+* Snowfall alert
+* Holes, a Day on Ice
+* Entering the castle
+* The dark castle
+* The Toilette Zone
+* To rain or not to rain - That's the question
+* To rain or not to rain - That's the question (Antarctic)
+* You can't climb higher than the clouds...
+* Some light in the darkness would be fine, thanks!
+* Deep, deeper...
+* ...deepest!
+* The dark castle
+* Castle of Light and Darkness
+* Going down
+* Circles
+* Don't miss your ride
+* Coconut Fortress
+* In the Spring
+* ...but no one can stop it...
+* Forest Rain (aka "Antarctic Rain")
+* The Level Formerly Known As "-89,2 Degrees"
+* Red alert! The forest is burning!
+* The abandoned castle
+* Sewer escape
+
+### Badguys
+
+Bonus Island III uses Badguys from [Icy Island](https://github.com/SuperTux/supertux/wiki/Badguys-Icy) and [Rooted Forest](https://github.com/SuperTux/supertux/wiki/Badguys-Forest).
+
+### End Boss
+
+There is no end boss for Bonus Island III.
+
+---
+
+See also
+--------
+
+-   [Icy Island](https://github.com/SuperTux/supertux/wiki/Icy-Island)
+-   [Rooted Forest](https://github.com/SuperTux/supertux/wiki/Rooted-Forest)
+-   [Worlds](https://github.com/SuperTux/supertux/wiki/Worlds)
+
+<Category:World> 
diff --git a/Bonus-Island-IV.md b/Bonus-Island-IV.md
@@ -0,0 +1,61 @@
+**Bonus Island IV** is the fourth and final Bonus Island in SuperTux. This world is comprised of levels created by community members in 2019.
+This world was first released in *SuperTux 0.6.1*.
+
+It is comprised of three sectors, an arctic sector, a forest sector, and a Halloween sector.
+
+![Bonus Island IV's arctic sector as of version 0.6.3](images/bonus-4-icy.png "Bonus Island IV's arctic sector as of version 0.6.3")
+![Bonus Island IV's forest sector as of version 0.6.3](images/bonus-4-forest.png "Bonus Island IV's forest sector as of version 0.6.3")
+![Bonus Island IV's Halloween sector as of version 0.6.3](images/bonus-4-halloween.png "Bonus Island IV's Halloween sector as of version 0.6.3")
+
+---
+
+### Levels
+
+As of May 2022, Bonus Island IV features the following levels:
+
+* Glacier Danger
+* SnowMan's Land
+* Beginning The Journey
+* Let's Climb That Mountain!
+* The Way Of The Snow
+* Generic Snow Level
+* Crystal Mania
+* Snowy Sunset
+* Some Icy Path
+* Forest Mountains
+* Too Much Water
+* Night Terrors
+* Feeling The Nature
+* Sky High
+* Fog And Mist
+* Rainy Swamps
+* Cave Of Dreams
+* Sunshine Valley
+* A Narrow Path
+* Cold Forest
+* A Penguin In The Bushes
+* Two Tiny Towers
+* It's Halloween Time!
+* Halloween Fields
+* Spooky Mansion
+* Deeper Into The Mountains
+* Stormy Night
+
+### Badguys
+
+Bonus Island IV uses Badguys from [Icy Island](https://github.com/SuperTux/supertux/wiki/Badguys-Icy) and [Rooted Forest](https://github.com/SuperTux/supertux/wiki/Badguys-Forest).
+
+### End Boss
+
+There is no end boss for Bonus Island IV.
+
+---
+
+See also
+--------
+
+-   [Icy Island](https://github.com/SuperTux/supertux/wiki/Icy-Island)
+-   [Rooted Forest](https://github.com/SuperTux/supertux/wiki/Rooted-Forest)
+-   [Worlds](https://github.com/SuperTux/supertux/wiki/Worlds)
+
+<Category:World>
diff --git a/Worlds.md b/Worlds.md
@@ -25,10 +25,10 @@ bonus worlds, alongside its story mode.
 
 ### Bonus Islands
 
-* Bonus Island I
-* Bonus Island II
-* Bonus Island III
-* Bonus Island IV
+* [Bonus Island I](https://github.com/SuperTux/supertux/wiki/Bonus-Island-I)
+* [Bonus Island II](https://github.com/SuperTux/supertux/wiki/Bonus-Island-II)
+* [Bonus Island III](https://github.com/SuperTux/supertux/wiki/Bonus-Island-III)
+* [Bonus Island IV](https://github.com/SuperTux/supertux/wiki/Bonus-Island-IV)
 
 ### Level Packs
 

diff --git a/images/bonus-1.png b/images/bonus-1.png
diff --git a/images/bonus-2.png b/images/bonus-2.png
diff --git a/images/bonus-3-forest.png b/images/bonus-3-forest.png
diff --git a/images/bonus-3.png b/images/bonus-3.png
diff --git a/images/bonus-4-forest.png b/images/bonus-4-forest.png
diff --git a/images/bonus-4-halloween.png b/images/bonus-4-halloween.png
diff --git a/images/bonus-4-icy.png b/images/bonus-4-icy.png