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37 Undertale And Deltarune Coloring Pages: Epic Fan Art

Explore 37 Undertale and Deltarune coloring pages featuring your favorite characters from Toby Fox’s iconic RPG universes — all free to print and color! Whether you are diving into the emotional journey of the Underground in Undertale or unraveling the mysteries of the Dark World in Deltarune, these beautifully crafted line-art coloring pages offer a creative way to connect with the games you love.

Color the punny skeleton brothers Sans and Papyrus in their iconic outfits, bring Kris and Susie’s Dark World adventure to life, or recreate heartwarming moments between Toriel and Frisk. With 37 pages spanning both games, there is something here for every fan.

💡 Tip: Click any image to print, save, download, or color online for free!

Contents
1 The Deltarune Heroic Party
2 Ralsei and Noelle Adventures
3 Undertale’s Iconic Skeleton Brothers
4 Undyne and Alphys Moments
5 Toriel, Frisk, and Friends
6 Deltarune Side Characters
7 Watch Kris Come To Life!
8 Unleashing Artistic Magic Within Undertale and Deltarune Worlds

The Deltarune Heroic Party

Join Kris, Susie, and Ralsei on their adventure through the Dark World! These action-packed coloring pages capture the Deltarune heroes in dynamic poses, group scenes, and dual-form illustrations of Kris in both their Light World and Dark World outfits.

Undyne holding her spear and Kris holding a sword in this printable coloring page.
Undyne and Kris stand ready with their weapons drawn.
Susie from Deltarune holding her signature battle axe in a dynamic pose, presented as a clean line art coloring page.
Susie stands ready for battle wielding her large axe.
A printable coloring page featuring Susie, Kris, and Ralsei walking through a forest path in the Dark World.
Susie, Kris, and Ralsei walking together through a forest.
A printable coloring page featuring Ralsei, Kris, and Susie standing together in their Dark World outfits.
Ralsei, Kris, and Susie standing together in a group.
Kris from Deltarune pointing forward while holding a sword in this printable coloring page.
Kris stands ready, pointing forward while holding a sword.
A printable coloring page featuring Kris, Susie, and Ralsei standing together in their Dark World outfits.
Kris, Susie, and Ralsei standing together in a group.
Kris Dreemurr in their distinct Light World and Dark World forms coloring page featuring Kris in a striped sweater and their armored Dark World outfit.
Kris Dreemurr shown in both Light and Dark World forms.

Ralsei and Noelle Adventures

Meet the gentlest heroes of Deltarune! Ralsei, the fluffy prince of the Dark World, is shown here in his signature wizard hat, heart-patterned robe, and round glasses. Noelle Holiday — the shy, cloak-wearing deer girl — makes her appearance in both her cozy winter dress and her famous cardboard-box disguise.

A printable coloring page featuring Ralsei from Deltarune wearing his signature wizard hat, round glasses, and a scarf with a heart emblem on his robe.
Ralsei stands wearing his wizard hat and heart-adorned robe.
Ralsei from Deltarune wearing round glasses and a robe with a heart emblem, waving happily amidst floating stars in this printable coloring page.
Ralsei waves happily surrounded by floating stars.
A printable coloring page featuring Ralsei from Deltarune wearing his signature glasses, scarf, and heart-patterned robe with a playful expression.
Ralsei stands wearing his glasses and heart-patterned robe.
A line art coloring page of Noelle Holiday from Deltarune, wearing her long hooded cloak and standing with her deer antlers visible.
Noelle Holiday standing in her long hooded cloak.
Noelle Holiday from Deltarune wearing a cardboard box on her head as a mask in this printable coloring page.
Noelle Holiday wearing a cardboard box on her head.
Noelle Holiday from Deltarune wearing her festive winter outfit with snowflake patterns, presented as a printable coloring page.
Noelle Holiday wearing her festive winter dress and antlers.

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Undertale’s Iconic Skeleton Brothers

Celebrate the beloved brotherhood of Sans and Papyrus — Undertale’s most iconic duo! The lazy, pun-loving Sans in his blue hoodie contrasts perfectly with the dramatic, pasta-obsessed Papyrus in his battle armor. This section includes solo portraits, duo scenes, and wholesome moments with Frisk that show both brothers at their best.

A printable coloring page featuring the skeleton brothers Sans and Papyrus from Undertale standing side by side.
Sans and Papyrus standing together in a classic pose.
A printable coloring page featuring the skeleton brothers Sans and Papyrus, with Papyrus pointing upward while standing behind a relaxed Sans.
Papyrus points upward while standing behind his brother Sans.
A printable coloring page featuring Sans and Frisk standing together while looking up at the falling rain with their mouths open.
Sans and Frisk stand together looking up at rain.
A detailed coloring page of Sans from Undertale, showing the skeleton character wearing his signature hoodie with hands in his pockets.
Sans standing with his hands tucked into his hoodie pockets.
A printable coloring page featuring Papyrus from Undertale standing in his signature battle body armor, cape, and boots with a confident pose.
Papyrus stands confidently in his iconic battle body armor.
A printable coloring page featuring Papyrus standing tall while carrying a sleeping Sans on his shoulders, with Frisk sitting happily on top of Sans's head.
Frisk sits on sleeping Sans, who rides on Papyrus’s shoulders.
Frisk sitting on the shoulders of Papyrus while Sans walks alongside them in this Undertale coloring page.
Frisk rides on Papyrus’s shoulders as Sans walks nearby.
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Undyne and Alphys Moments

Bring the fiercest warrior and the most dedicated scientist of the Underground to life! Undyne — the passionate Royal Guard captain — is shown in full battle armor wielding her spear, while the nervous-but-brilliant Alphys makes her debut in her lab coat. Also includes the iconic character stack that perfectly captures the chaotic energy of these two fan favorites.

Undyne standing in full Royal Guard armor holding a spear, featured in this printable Undertale coloring page.
Undyne stands confidently holding her spear in full armor.
Undyne sitting on top of Papyrus, who is standing on top of Alphys in this Undertale character stack coloring page.
Undyne sits on Papyrus, who stands on a struggling Alphys.
Undyne from Undertale in full armor holding her signature spear and helmet, detailed line art coloring page.
Undyne stands tall holding her spear and battle helmet.
A clean line art coloring page of Alphys, the Royal Scientist from Undertale, wearing her lab coat and round glasses while standing with her hands clasped.
Alphys the Royal Scientist standing in her lab coat.

Fun Fact: Did you know that Toby Fox, the creator of Undertale, composed almost the entire soundtrack for both games himself — including the iconic “Megalovania” theme? He also composed music for the Pokémon Sword and Shield DLC!

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Toriel, Frisk, and Friends

Enjoy the warmest corner of the Underground with these heartfelt illustrations featuring Toriel, Frisk, Asriel, Chara, Flowey, and the lovable ghost Napstablook. From Toriel offering butterscotch pie to Asriel standing sadly in a flower field, these pages capture the emotional core of Undertale’s story.

Toriel holding a slice of pie while Frisk stands beside her holding a bouquet of flowers in this Undertale coloring page.
Toriel offers a slice of pie to a happy Frisk.
Toriel and Frisk walking through a flower-filled path in this Undertale coloring page.
Toriel holds Frisk’s hand while walking through the Ruins.
Frisk holding a stick with Flowey resting on their head in this Undertale coloring page.
Frisk stands holding a stick with Flowey on head.
A printable coloring page featuring Frisk gently cradling a potted Flowey in their arms with a peaceful expression.
Frisk holds a potted Flowey in their arms.
Frisk wearing headphones standing next to the ghost Napstablook in this Undertale coloring page.
Frisk and Napstablook listening to music together.
A printable coloring page featuring Flowey from Undertale with a playful winking expression and tongue sticking out.
Flowey winks and sticks his tongue out in this illustration.
Chara and Asriel sitting back-to-back in a field of flowers in this printable coloring page.
Chara and Asriel sitting together in a flower field.
Asriel Dreemurr holding a flower in this printable coloring page line art.
Asriel Dreemurr standing and holding a single flower.
Asriel Dreemurr standing in a field of flowers, looking down with a sad expression while holding a single flower in this Undertale coloring page.
Asriel Dreemurr stands sadly while holding a small flower.

Deltarune Side Characters

Explore the colorful roster of Deltarune’s most memorable side characters! This section features the wild Tasque Manager with her electric plug-tail whip, the chaotic duo of Susie and Lancer high-fiving, and the fan-favorite Mad Mew Mew in her iconic frilly outfit.

Tasque Manager from Deltarune holding a whip in this printable coloring page, featuring her signature cat-like features and electrical plug tail.
Tasque Manager holds a whip with an angry expression.
Deltarune coloring page featuring Susie with her axe and Lancer giving a high five.
Susie and Lancer share a friendly high five together.
Mad Mew Mew striking a dynamic pose with a wink, featuring her signature cat ears, bell accessories, and frilly dress in this printable coloring page.
Mad Mew Mew winking and posing in her frilly outfit.

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Watch Kris Come To Life!

Grab those colored pencils and follow along with this super cool, high-energy demonstration of how to draw the legendary Kris from Deltarune!

Unleashing Artistic Magic Within Undertale and Deltarune Worlds

Bringing these iconic characters to life is a brilliant way to celebrate the retro aesthetic defining both Undertale and Deltarune. Their distinctive, bold line art provides the perfect canvas for creative experimentation, whether you prefer the precision of colored pencils or the bold impact of alcohol markers.

  • Atmospheric Contrast: Use neon, electric hues for your Dark World subjects like Ralsei and Susie, then switch to soft, desaturated palettes for Light World scenes to capture their unique moods.
  • Skeleton Nuance: Master shading for Sans and Papyrus by utilizing metallic greys for armor, while keeping bone-white areas pristine to maintain that authentic, stark look.
  • Pixel Inspiration: Try using small, square-shaped coloring strokes to replicate the classic, blocky pixel art style, adding a nostalgic touch to your finished work.
  • Flowey’s Evolution: Personalize your pages by choosing between classic yellow for his early form or menacing red accents to reflect his dark, true nature.
  • Custom Keepsakes: Once finished, laminate your favorite characters to create durable, unique bookmarks or decorative gifts for your fellow fans.

These games share deep creative DNA, making it incredibly rewarding to blend characters from both titles into one expressive masterpiece. Enjoy this journey through the Underground and beyond!

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