# My own Undertale boss battle

**URL:** <https://forum.makecode.com/t/my-own-undertale-boss-battle/39804>\
**Category:** Show & Tell\
**Tags:** game\
**Created:** [October 16, 2025, 10:15pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804 "2025-10-16T22:15:59Z")\
**Posts on this page:** 12\
**Page:** 1

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**Author:** ![Squishy](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/squishy/32/25665_2.png) [@Squishy](https://forum.makecode.com/u/Squishy)\
**Post date:** [October 16, 2025, 10:15pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/1 "2025-10-16T22:15:59Z")

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> **[Squishy UT Fight](https://arcade.makecode.com/S25550-01116-37067-29322)**
>
> Made with ❤️ in Microsoft MakeCode Arcade.

controls:

arrow keys to move and jump

[[Z]] / [[A]] to confirm or fall faster

NOTE:

red attacks are physical and they dont hurt unless u get **squished**

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**Author:** ![redSprite](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/redsprite/32/34262_2.png) [@redSprite](https://forum.makecode.com/u/redSprite)\
**Post date:** [October 17, 2025, 2:49am UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/2 "2025-10-17T02:49:36Z")

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Good boss fight

The only thing that’s hard are the red attacks

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**Author:** ![Reflectfr](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/reflectfr/32/32515_2.png) [@Reflectfr](https://forum.makecode.com/u/Reflectfr)\
**Post date:** [October 17, 2025, 5:32am UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/3 "2025-10-17T05:32:01Z")

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your going to have a slimey time’  
song title: Slimevania

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**Author:** ![gimmoeri](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/gimmoeri/32/25503_2.png) [@gimmoeri](https://forum.makecode.com/u/gimmoeri)\
**Post date:** [October 17, 2025, 4:51pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/4 "2025-10-17T16:51:04Z")

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wow this is good!

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**Author:** ![Ima.notarobot](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/ima.notarobot/32/26551_2.png) [@Ima.notarobot](https://forum.makecode.com/u/Ima.notarobot)\
**Post date:** [October 17, 2025, 4:52pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/5 "2025-10-17T16:52:08Z")

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Cool game, I would love to see it be more difficult! I also like the little blob guy hes cute.

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**Author:** ![Reflectfr](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/reflectfr/32/32515_2.png) [@Reflectfr](https://forum.makecode.com/u/Reflectfr)\
**Post date:** [October 17, 2025, 9:51pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/6 "2025-10-17T21:51:31Z")

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(if you dont like this ill take it down)

> **[relfect ut (squishy ut mod)](https://arcade.makecode.com/S54357-57725-75777-93351)**
>
> Made with ❤️ in Microsoft MakeCode Arcade.

i added orange and blu attacks as well as red soul mode (also added relfect cus idk)

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**Author:** ![Danny\_Devention](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/danny_devention/32/30134_2.png) [@Danny\_Devention](https://forum.makecode.com/u/Danny_Devention)\
**Post date:** [October 18, 2025, 3:08am UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/7 "2025-10-18T03:08:03Z")

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Wow that’s pretty good! A lot better then my attemp at least. The song that goes with it is genuinely a Banger tho ngl 👌

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<div class="post-metadata">

**Author:** ![Reflectfr](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/reflectfr/32/32515_2.png) [@Reflectfr](https://forum.makecode.com/u/Reflectfr)\
**Post date:** [October 18, 2025, 3:32am UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/8 "2025-10-18T03:32:37Z")

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for some reason the orange attacks broke

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<div class="post-metadata">

**Author:** ![Reflectfr](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/reflectfr/32/32515_2.png) [@Reflectfr](https://forum.makecode.com/u/Reflectfr)\
**Post date:** [October 20, 2025, 3:48pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/9 "2025-10-20T15:48:56Z")

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> **[Reflect UT Phase 2](https://arcade.makecode.com/16045-98823-24647-50706)**
>
> Made with ❤️ in Microsoft MakeCode Arcade.

phase 2 (idk how to combine the phases but the code for phase 1 is infact in this game too

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**Author:** ![Danny\_Devention](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/danny_devention/32/30134_2.png) [@Danny\_Devention](https://forum.makecode.com/u/Danny_Devention)\
**Post date:** [October 21, 2025, 3:45pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/10 "2025-10-21T15:45:51Z")

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So who’s Diana?

![Screenshot 2025-10-21 7.51.11 AM](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/3X/7/f/7fa2e2c05f55fec2d640e6ade562ac6c0a11dba1.png)

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<div class="post-metadata">

**Author:** ![Reflectfr](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/reflectfr/32/32515_2.png) [@Reflectfr](https://forum.makecode.com/u/Reflectfr)\
**Post date:** [October 21, 2025, 8:30pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/11 "2025-10-21T20:30:29Z")

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friends character

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<div class="post-metadata">

**Author:** ![Reflectfr](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/reflectfr/32/32515_2.png) [@Reflectfr](https://forum.makecode.com/u/Reflectfr)\
**Post date:** [November 18, 2025, 5:51pm UTC](https://forum.makecode.com/t/my-own-undertale-boss-battle/39804/12 "2025-11-18T17:51:29Z")

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dang squishy dropped peak then left