For detailed information about this series, see: Undertale Wiki

Undertale is a video game series developed by Toby Fox.

Video Games

• Undertale (September 15th, 2015) for PC, MacOS, Linux, PlayStation 4, PlayStation Vita, Nintendo Switch, and Xbox One
• Deltarune (October 31st, 2018) for PC, MacOS, PlayStation 4, Nintendo Switch, PlayStation 5, and Nintendo Switch 2
  • Deltarune Chapter 2 (November 17th, 2021)
  • Deltarune Chapter 3 (June 5th, 2025)
  • Deltarune Chapter 4 (June 5th, 2025)
  • Deltarune Chapter 5 (June 24th, 2026)

Links to Other Series

Direction	Series	Date	Description	Type
3	Homestuck	2015915 September 15, 2015	Undertale and Deltarune feature many references to Homestuck. The Flash page [S] Collide features a short segment referencing the battle system of Undertale. Hiveswap: Act 1 contains a reference to Undertale. Hiveswap: Act 1 contains a reference to Undertale.	2
4	EarthBound Halloween Hack	2015915 September 15, 2015	The song "Megalovania", originating from the EarthBound Halloween Hack appears in Undertale.	3
4	Shin Megami Tensei	2015915 September 15, 2015	Undertale has references to Shin Megami Tensei.	2
5	Emily is Away	20151120 November 20, 2015	An Undertale themed icon can be unlocked in Emily is Away.	2
5	Random Encounters	20151218 December 18, 2015	Random Encounters has made multiple Undertale songs.	3
5	SMG4	2016222 February 22, 2016	Mario enters a parody version of the world of Undertale in "Mariotale - If Mario was in... Undertale".	3
5	Daitomodachi	201687 August 7, 2016	Undertale is parodied in multiple Daitomodachi episodes.	3
5	The Binding of Isaac	201713 January 3, 2017	A Co-op Baby based on Sans from Undertale appears in The Binding of Isaac: Afterbirth+, with one based on Spamton from Deltarune being added in Repentance.	2
5	Diary of a Wimpy Kid	2017519 May 19, 2017	The Diary of a Wimpy Kid: The Long Haul movie has a scene where a woman can be seen dressed up as Undyne from a fan-created "alternate universe" of Undertale called "Underkeep".	2.5
5	Yo Mama	2017823 August 23, 2017	Characters from Undertale appear in multiple Yo Mama shorts.	2
5	Pop Team Epic	2018218 February 18, 2018	There are several references to Undertale in episode 7 of Pop Team Epic.	3
5	Mario	2018919 September 19, 2018	Undertale is advertised in the 123rd episode of the Japanese version of the The Cat Mario Show.	2
5	Astro Bot	2018102 October 2, 2018	There are references to Undertale in Astro Bot Rescue Mission.	2
4	The Simpsons	20181031 October 31, 2018	"The Symptons" in Chapter 1 of Deltarune is a parody of The Simpsons.	3
4	Dweller's Empty Path	20181031 October 31, 2018	A plush of Yoki from Dweller's Empty Path can be found in Seam's shop in Deltarune. Parodies on Kris, Susie and Ralsei can be found in Dweller's Empty Path.	2
4	Green Eggs and Ham	20181031 October 31, 2018	Chapter 1 of Deltarune contains a reference to Green Eggs and Ham	3
5	Perfect Cell Vs	20181115 November 15, 2018	Undertale is parodied in multiple Perfect Cell Vs episodes.	3
5	No More Heroes	2019118 January 18, 2019	Travis can wear an Undertale t-shirt in Travis Strikes Again: No More Heroes.	2
5	Bluey (ABC)	2019413 April 13, 2019	There is a doll that resembles Sans in the Bluey episode “Sleepover”.	2.5
5	Reventure	201964 June 4, 2019	Frisk from Undertale appears as an NPC in Reventure.	3
5	La-Mulana	2019627 June 27, 2019	Burgerpants and Flowey from Undertale make cameo appearances in the console versions of La-Mulana 2.	1
5	Super Smash Bros.	201994 September 4, 2019	Super Smash Bros. Ultimate features a downloadable costume based on Sans from Undertale, as well as the theme “MEGALOVANIA” being listed in the music track. Additionally, in chapter 2 of Deltarune, Berdly, mentions Wave-Dashing from Super Smash Bros Melee and says it's cheating.	2
5	Taiko no Tatsujin	20191010 October 10, 2019	Taiko no Tatsujin: Nintendo Switch Version!, Taiko no Tatsujin: Session de Dodon ga Don!, and Taiko no Tatsujin (Nijiro Version) feature music tracks from Undertale.	2
5	Groove Coaster	20191114 November 14, 2019	Groove Coaster Wai Wai Party featured DLC packs featuring music from Undertale and Deltarune as well as characters that are selectable as navigators and avatars	1
5	Mother	2020612 June 12, 2020	An illustration of Toriel and Frisk from Undertale and Ness from Mother appear together in the Mother comic book Pollyanna. Undertale features various references to Mother.	1
5	Henry Stickmin	202087 August 7, 2020	There's a spoof of the battle system from Undertale in Completing the Mission.	3
5	Going Under	2020924 September 24, 2020	There's a shopkeeper in Going Under that is a skeleton in a blue hoodie named "Zans" which is a parody of Sans from Undertale.	3
5	The Wizard and The Slug	2020112 November 2, 2020	Napstablook from Undertale makes a cameo appearance in The Wizard and The Slug.	1
5	Fazbear & Friends	2021522 May 22, 2021	Undertale characters have appeared several times throughout Fazbear & Friends.	2
5	DBX	2021615 June 15, 2021	Sans has been a subject for DBX.	2
5	Just Shapes & Beats	2021723 July 23, 2021	A remix of "Spider Dance" from Undertale is playable in Just Shapes & Beats.	2
5	Something About	20211031 October 31, 2021	"Something About Undertale" is a parody of Undertale.	3
4	Punch-Out!!	20211117 November 17, 2021	Chapter 2 of Deltarune features a boss fight that mimics the gameplay of Punch-Out!!.	3
5	Dance Dance Revolution	2022519 May 19, 2022	Tracks from Undertale can be played in Dance Dance Revolution A3.	2
5	Sound Voltex	2022728 July 28, 2022	Tracks from Undertale can be played in the Sound Voltex series.	2
5	GITADORA	2022810 August 10, 2022	Tracks from Undertale can be played in GITADORA HIGH-VOLTAGE.	2
5	Pop'n Music	2022913 September 13, 2022	Sans from Undertale appeared in Pop'n Music UniLab; tracks from Undertale also appeared in the game.	1
5	FAITH	20221021 October 21, 2022	Graffiti of WD Gaster can be found in Chapter 3 of FAITH: The Unholy Trinity.	2
5	Spooky Month	2022115 November 5, 2022	Somebody in an Sans costume can be found in Spooky Month episode “Tender Treats”.	2
5	Drums Rock	2023830 August 30, 2023	Music and accessories from Undertale appears in Drums Rock VR as downloadable content.	2
5	Far-Fetched	20231124 November 24, 2023	A Sans plushie appears in the Far-Fetched web comic #29.	2
5	Among Us	20231128 November 28, 2023	The Bird That Carries You Over a Disproportionately Small Gap appears as a hat in Among Us as part of the Indie Cosmicube event, as well as cosmetics based on Sans, Papyrus, Undyne, Flowey, and Napstablook.	1
5	Geometry Dash	20231219 December 19, 2023	Geometry Dash features a skin based on Sans as part of a 2.2 update.	3
5	Touhou Project	202427 February 7, 2024	"U.N. Owen Was Hero?", "Necrolovania", and "Megalovania of the Empty Corse" are tracks made in collaboration by ZUN and Toby Fox for Touhou Danmaku Kagura Phantasia Lost.	1
5	O.N.G.E.K.I.	202437 March 7, 2024	Music from Undertale can be played in O.N.G.E.K.I. Bright Memory.	2
5	Professor Chalk	2024830 August 30, 2024	A poster of Undyne from Undertale can be seen in the music video for FNAF Kids. Undertale and Deltarune can be seen written on a list of "Indies to catch up on" in the same music video.	2
5	Arcaea	202538 March 8, 2025	Music from Undertale can be found in Arcaea as part of a collaboration event.	2
4	The Legend of Zelda	202564 June 4, 2025	"The Legend of Tenna" in Chapter 3 of Deltarune is a reference to The Legend of Zelda.	3
5	Trombone Champ	2025812 August 12, 2025	Tracks from Undertale and Deltarune appear in Trombone Champ: Unflattened and Trombone Champ as downloadable content.	2
4	Donkey Kong	2025921 September 21, 2025	Donkey Kong is mentioned in the version of Undertale used in the official 10th Anniversary Charity Livestream.	2
5	Sophie's Magic Diary	202625 February 5, 2026	A plush of Sans from Undertale appears in the Sophie's Magic Diary "Idoldance" music video.	2
5	Crypt of the NecroDancer	202649 April 9, 2026	Charts featuring costumes and songs from Undertale appear in Rift of the NecroDancer.	2

Links to Non-Series Media

Direction	Series	Date	Description	Type
5	Youtooz Promotional Art	202596 September 6, 2025	Sans from Undertale is referenced in a piece of Youtooz promotional art.	2
5	Dax the Duck (Mascot)	2026 2026	Dax the Duck dresses up as Sans when searching "Undertale" in DuckDuckGo.	2