If you are an Undertale fan, this free printable collection brings some of the game’s best-known characters together in simple, fun coloring pages.
This set includes 20 Undertale coloring pages, with individual character pages, character pairs, and a few familiar scenes. You will find Sans, Papyrus, Toriel, Asgore, Asriel, Chara, Frisk, Undyne, Alphys, Mettaton, Flowey, Napstablook, and more.
The pages use clean outlines and clear spaces, so they are easy to color without being overly basic. Each design is available as a printable PDF and is made for US Letter paper.
Free Printable Undertale Coloring Pages
Below are all 20 Undertale coloring sheets in this collection.
You can choose your favorite character, print several pages for a coloring session, or work through the whole set.
Sans Coloring Page
Sans is shown in his familiar hoodie, shorts, and slippers with his usual relaxed grin.
Papyrus Coloring Page
Color Papyrus in his recognizable armor, scarf, gloves, and oversized boots.
Toriel Coloring Page
This Toriel coloring sheet shows her in her long robe with her gentle expression and familiar goat-like features.
Asriel Coloring Page
This Asriel coloring page features the young goat prince in his striped sweater.
Chara Coloring Page
Color Chara with their recognizable hairstyle, striped sweater, shorts, and shoes.
Frisk Coloring Page
Frisk is shown in a simple standing pose wearing the classic striped sweater.
Undyne Coloring Page
This Undyne coloring sheet features her armor, long ponytail, eyepatch, and spear.
Alphys Coloring Page
Alphys appears in her lab coat and glasses with her shy, friendly expression.
Mettaton Coloring Page
Color Mettaton in his recognizable robot form, complete with his screen-like body and wheel base.
Flowey Coloring Page
Flowey may look like a cheerful little flower at first, but Undertale fans know there is much more to this character.
Napstablook Coloring Page
This Napstablook coloring sheet keeps the design simple, with the shy ghost floating with headphones.
Undertale Duo Coloring Pages
The collection also includes pages featuring popular Undertale characters together.
Sans and Papyrus Coloring Page
The skeleton brothers appear side by side, with Sans looking relaxed while Papyrus strikes his confident pose.
Frisk and Asriel Coloring Page
Frisk and Asriel share a warm, friendly moment in this coloring page.
Undyne and Alphys Coloring Page
This page pairs Undyne’s bold warrior design with Alphys and her familiar lab coat and glasses.
Asgore and Toriel Coloring Page
Asgore and Toriel stand together in their recognizable royal and robe designs.
Undertale Scene Coloring Pages
The printable sheets place the characters in simple scenes inspired by familiar Undertale locations and moments.
Frisk Meets Flowey
Frisk meets Flowey among the flowers in the Ruins, with a simple stone setting in the background.
Sans and Papyrus in Snowdin
Sans and Papyrus stand together on a snowy path surrounded by a few simple Snowdin details.
Toriel Baking a Pie
Toriel prepares one of her famous pies in this cozy kitchen coloring page.
Undyne in Waterfall
Undyne stands with her spear near a simple Waterfall setting with rocks, plants, and water around her.
How to Print These Undertale Coloring Pages
Printing the pages is simple.
- Choose the coloring page you want.
- Click the PDF download button below the page.
- Open the PDF on your phone, tablet, or computer.
- Select Print.
- Choose US Letter, 8.5 x 11 inches as your paper size.
- Set the scale to Actual Size or 100%.
- Print and start coloring.
Regular printer paper works well for crayons and colored pencils.
If you plan to use markers, slightly thicker paper can help reduce ink showing through to the other side.
Coloring Supplies You Can Use
These pages have medium outlines and open coloring spaces, so they work with several common coloring supplies.
Colored pencils: Good for adding small details and blending colors.
Crayons: A simple choice for younger Undertale fans.
Markers: Great for stronger colors. Use thicker paper if your markers tend to bleed through.
Gel pens: Useful for small details and bright accents after the main coloring is finished.
You can also mix materials on the same page.
Fun Ways to Use Your Finished Undertale Coloring Pages
Finished pages do not have to stay in a folder.
- Decorate a gaming room or desk area
- Make an Undertale-themed binder cover
- Create wall art
- Add pages to a coloring folder
- Use them for a game-themed party activity
- Color together with friends
- Make simple handmade cards
- Create a character collection and color one page at a time
You could also print the same character more than once and try different color combinations.
Which Undertale Character Should You Color First?
If you like the game’s funny side, start with Sans or Papyrus.
For something softer, try Toriel, Asriel, or Napstablook.
Fans who prefer stronger character designs may enjoy Undyne, Asgore, or Mettaton.
And if you want a page with more going on, choose one of the four scene coloring sheets.
FAQ
Are these Undertale coloring pages free?
Yes. You can download and print the coloring pages from this collection for personal and non-commercial use.
Which Undertale characters are included?
The collection includes Sans, Papyrus, Toriel, Asgore, Asriel, Chara, Frisk, Undyne, Alphys, Mettaton, Flowey, and Napstablook. Several characters also appear again in the duo and scene pages.
What size are the printable pages?
Every coloring sheet is formatted for US Letter paper, 8.5 x 11 inches.
What file format do the downloads use?
Each printable coloring sheet is provided as a PDF file for easy printing.
Are these coloring pages difficult?
The designs are around a simple-to-medium coloring level. They use clean medium outlines, clear shapes, and enough detail to stay interesting without becoming too crowded.
Can teachers print these pages?
They can be printed for personal, classroom, or other non-commercial activities.
Can I sell the coloring pages?
No. These printable files are intended for personal and non-commercial use and should not be resold, redistributed, or included in another digital product.
More Free Coloring Pages
If you enjoyed these Undertale printables, check out more free coloring sheets on FunFillColor.
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- 20 Free Fantastic Four Coloring Pages to Color Now
New coloring pages are added regularly, so you can come back whenever you want something new to print and color.
Fan Content Note: Undertale and its characters belong to their respective rights holders. These fan-made coloring pages are not affiliated with or endorsed by the creators or rights holders of Undertale.
