Undertale Wallpapers

56 wallpapers HD & 4K 2 in 4K How to set a wallpaper

Epic Sans, purple glowing eye, Bruh, 2K Desktop Wallpaper — 3050×30502K Download

Temmie, Undertale, cartoon catgirl, 2K Desktop Wallpaper — 3000×30002K Download

Temmie, Undertale, white fur, 2K Desktop Wallpaper — 3000×30002K Download

Undertale, Sans, black and white, 4K Desktop Wallpaper — 3840×21604K Download

Chara, Undyne, red heart emblem, 2K Desktop Wallpaper — 3200×18002K Download

Asriel Dreemurr, rainbow wings, cosmic background, 2K Desktop Wallpaper — 3200×18002K Download

Asriel Dreemurr, Undertale, rainbow accents, 2K Desktop Wallpaper — 3170×17802K Download

Undertale, Fritz, glowing blue-haired girl, 2K Desktop Wallpaper — 3110×17502K Download

Sans, Papyrus, Undertale, 2K Desktop Wallpaper — 2910×18002K Download

Temmie, Undertale, anime-style illustration, Full HD Phone Wallpaper — 1750×2480Full HD Download

Undertale, Frisk, golden flowers, 2K Desktop Wallpaper — 2560×16002K Download

Temmie, Undertale, snowy urban street, 2K Desktop Wallpaper — 2560×14402K Download

Undertale, Sans, Bones, Full HD Desktop Wallpaper — 2160×1440Full HD Download

Undertale, Frisk, glowing sword, Full HD Desktop Wallpaper — 1920×1510Full HD Download

Temmie, Undertale, cartoon cat characters, Full HD Phone Wallpaper — 1290×1970Full HD Download

Undertale, Papyrus, Sans, Full HD Desktop Wallpaper — 1920×1200Full HD Download

Sans, Toriel, Undertale, Full HD Desktop Wallpaper — 1920×1200Full HD Download

Undertale, Chara, red eyes, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, Genocide Route, skeletal blue figure, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, Happy Fritz, characters, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Temmie, UNDERTALE, black background, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, Asriel, Crying Chara, Full HD Phone Wallpaper — 1080×1920Full HD Download

Temmie, Undertale, gray hair, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Aesriel, Asriel Dreemurr, silhouette, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, Frisk, Papyrus, Full HD Phone Wallpaper — 1080×1920Full HD Download

Undertale, Muffet, tea party, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, Papyrus, Napstablook, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, Sans, Papyrus, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, D. Gaster, cracked mask, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Asgore Dreemurr, King Asgore, throne room, Full HD Phone Wallpaper — 1080×1920Full HD Download

Undertale, Fritz, Frisk, HD Desktop Wallpaper — 1500×1080HD Download

Temmie, Undertale, cardboard box, HD Desktop Wallpaper — 1600×900HD Download

Asgore Dreemurr, Undertale, red cape, HD Desktop Wallpaper — 1440×900HD Download

Undertale, W.D. Gaster, skeletal anime character, HD Desktop Wallpaper — 1280×960HD Download

Undertale, Fritz, Sans, HD Phone Wallpaper — 800×1420HD Download

Undertale, Papyrus, Sans, HD Desktop Wallpaper — 1370×770HD Download

Undertale, Sans, neon lights, SD Desktop Wallpaper — 1020×1020SD Download

Undertale, Frisk, skeleton figures, HD Phone Wallpaper — 800×1280HD Download

Temmie, Undertale, chibi-style, SD Desktop Wallpaper — 1000×1000SD Download

Undertale, Frisk, glowing diamond, SD Phone Wallpaper — 810×1200SD Download

Undertale, Frisk, glowing eyes, HD Phone Wallpaper — 720×1280HD Download

Asriel Dreemurr, Undertale, rainbow hair, HD Desktop Wallpaper — 1280×720HD Download

Sans, Papyrus, Undertale, SD Phone Wallpaper — 750×1070SD Download

Undertale, Frisk, glowing red heart, SD Phone Wallpaper — 870×910SD Download

Undertale, pixel-art, menu, 4K Desktop Wallpaper — 3840×21604K Download

Undertale, anime characters, glowing eyes, 2K Desktop Wallpaper — 3200×18002K Download

Undertale, Stay Determined, 3D characters, Full HD Phone Wallpaper — 1540×2050Full HD Download

Undertale, pixel-art, black and white, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, skeleton, flower girl, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, characters, panel collage, Full HD Desktop Wallpaper — 1920×1080Full HD Download

Undertale, evil skeleton skull, glowing blue eyes, HD Desktop Wallpaper — 1330×850HD Download

Undertale, ruined city, pixel-art, HD Desktop Wallpaper — 1370×770HD Download

Undertale, vibrant group of Undertale characters, colorful cartoon illustration, HD Desktop Wallpaper — 1280×750HD Download

Undertale, dark blue starry background, glowing heart, HD Desktop Wallpaper — 1280×720HD Download

Undertale, 8bit hearts, rainbow hearts, HD Desktop Wallpaper — 1280×720HD Download

Undertale, Halloween costumes, spiderweb arch, SD Desktop Wallpaper — 950×890SD Download

Set your Undertale wallpaper in seconds

Found a Undertale wallpaper you love? Download it above, then follow the steps for your device to make it your background.

Windows

Click Download to save the image to your PC
Right-click the saved file and choose “Set as desktop background”
Your new background shows up right away — no restart needed

macOS

Click Download to save the image to your Mac
Open System Settings and go to Wallpaper
Click “Add Photo,” then choose the image you just saved

iPhone / iPad

Tap Download, then Save to Photos
Open the Photos app and select the image
Tap the Share icon, then “Use as Wallpaper”

Android

Tap Download to save the image to your phone
Open your Gallery or Photos app and select it
Tap the menu, then “Set as wallpaper”