Prerelease and unused content in Doubutsu no Mori


 * For prerelease and unused content in Animal Crossing, see Prerelease and unused content in Animal Crossing.

The following is a list of prerelease and unused content in.

Nintendo Space World 2000
was first showcased in a one-minute trailer at, a Japanese video game trade show hosted by Nintendo. Screenshots were also published in an article on Nintendo's Japanese website. The trailer and screenshots show some differences from the final release.
 * The game has a tentative logo, featuring a different font, color, and layout from the final one.
 * The bulletin board is located to the left of the shrine, rather than in the middle of the player house acre.
 * The sprites for furniture, wallpaper, and carpets are all a beige version of the map sprite from the final game rather than a unique sprite for each.
 * A blue villager house palette that is not in the final game is shown.
 * Signposts have an image of a blue house on them rather than a piece of paper with text.
 * The shrine has a green roof and a more red wood color.
 * A villager's door has a wreath on it.
 * Nook's Cranny uses the and  rather than its own unique wallpaper and carpet.
 * Two shirts that are not in the final game are shown. One is light blue and has the character 店 (shop) on it. The character, paired it being worn in a screenshot at Nook's Cranny with Tom Nook asking the player to deliver furniture, suggests it is an early version of the . The other shirt is dark blue with hollow yellow squares on it.
 * The, , , , and have different designs.

Partial source code leak
On July 25, 2020, partial source code for was  along with source code several other Nintendo games. The source code contains many assets and pieces of development information that are not in the final game.

Discoveries

 * A model for an unused cat villager, referred to as CAT13 in its file names. This ID was repurposed for Ankha, who is introduced in . (This is not to be confused with Stinky, who has the villager ID cat13 in later games.) Using a custom villager in, CAT13's textures can be seen on a cat model, wearing the present on the body texture:


 * Text that is not in the final game.

Unused content
The following unused content does not appear in later releases of the game.

Unused furniture items
The Chest, Modern Den Chair, Nice Speaker, Rack, Unused Dresser, Unused Monkey, and Zabuton are furniture items that can only be obtained through the use of memory editing. The items appear in with English names, but their models are only in.

The Unused Monkey is animated and the Modern Den Chair can be sat on. The rest of the items have no functionality.

Party Dress and Tuxedo
パーティードレス (Party Dress) and タキシード (Tuxedo) are two fully functional clothing items that can only be obtained through the use of memory editing.