About the Game
The next adventure in the UNDERTALE series has appeared!
Fight (or spare) alongside new characters in UNDERTALE's parallel story, DELTARUNE...!
Featuring
A massive soundtrack and story written by Toby Fox!
Meet new and endearing main characters, as well as familiar faces like Toriel, Sans, as more. Huh? Papyrus? No, he's busy. Sorry
Smooth and expressive pixel-animation by Temmie. She also has a new hat (in-game)
A linear, chapter-based system that you can pick up from anywhere.
Creative bullet-dodging based battles inspired by games like Touhou and Chrono Trigger.
Jevilishly difficult hidden bosses.
And...
...
... only 1 ending...?
Try Chapter 1 and 2 for free now!
Chapter 3 & 4... you must buy.FAQ
Is Chapter 4 the last chapter?
Then when's Chapter 5?
Can you pet dogs in the first 2 chapters?
Nope! The story is still continuing, and more Chapters will be added for free over time.
[/p][/*]We are aiming for a 2026 release! Meanwhile, we will be periodically releasing information on the development progress of the game.
[/p][/*](crying) This FAQ is over!
[/dog]Screenshots
10 images
Version Information
Steam Patch Notes
Official update history
On the site: Build 19477244
Up to date
Build 19477244
Aug 5, 2025
DELTARUNE v1.04 Patch
We have issued a new bugfix patch for all platforms (PC / Mac / Consoles). After updating, you can check the version numbers in the bottom right of the file select screen for each respective chapter.
Version Numbers
ch1: 1.40
ch2: 1.46
ch3: v0.0.098
ch4: v0.0.098
Changelist
Chapter 3
・Added a method to get "TripTicket" even after receiving "ShadowMantle".
・You can no longer erroneously keep Lancers in your inventory.
・Susie doesn't slide weird after battle in that room where she kicks the houses. Apparently this is better.
・Fixed an obscure softlock during the Pushing Buddies sequence.
・Fixed a frame perfect game crash if you throw a shell and check it as it's breaking.
・Fixed a frame perfect crash involving checking water-logged binoculars.
Chapter 4
・You can get the "SpinCake" from the "Top Chef" if you gave him the "TopCake" in the "Chapter1".
・Reduced the speed of the bullets on one of Jackenstein's attacks.
・Fixed an obscure issue if you used "OldMan" ACT and then spared Guei before the attack started.
・Toriel no longer answers the phone at the beginning of the Chapter.
・You can no longer check a nonexistent snack tray.
・Fixed an error where "DualHeal" ACT could be skipped in certain scenarios.
・Fixed an error where Susie's turn would be skipped if she used an item during the boss of the Second Sanctuary.
Various Chapters
・Fixed various minor visual errors.
・Fixed minor text and font issues.
・Fixed an issue where your customized keyboard controls could be reset when connecting a new controller.
・Fixed an issue where plugging in USB and Bluetooth controllers simultaneously could cause repetitive button presses.
The next patch (1.05) only contains extremely minor changes, but internally it contains some large code changes, so we will be initially releasing it on a Steam beta branch soon.
View on Steam
We have issued a new bugfix patch for all platforms (PC / Mac / Consoles). After updating, you can check the version numbers in the bottom right of the file select screen for each respective chapter.
Version Numbers
ch1: 1.40
ch2: 1.46
ch3: v0.0.098
ch4: v0.0.098
Changelist
Chapter 3
・Added a method to get "TripTicket" even after receiving "ShadowMantle".
・You can no longer erroneously keep Lancers in your inventory.
・Susie doesn't slide weird after battle in that room where she kicks the houses. Apparently this is better.
・Fixed an obscure softlock during the Pushing Buddies sequence.
・Fixed a frame perfect game crash if you throw a shell and check it as it's breaking.
・Fixed a frame perfect crash involving checking water-logged binoculars.
Chapter 4
・You can get the "SpinCake" from the "Top Chef" if you gave him the "TopCake" in the "Chapter1".
・Reduced the speed of the bullets on one of Jackenstein's attacks.
・Fixed an obscure issue if you used "OldMan" ACT and then spared Guei before the attack started.
・Toriel no longer answers the phone at the beginning of the Chapter.
・You can no longer check a nonexistent snack tray.
・Fixed an error where "DualHeal" ACT could be skipped in certain scenarios.
・Fixed an error where Susie's turn would be skipped if she used an item during the boss of the Second Sanctuary.
Various Chapters
・Fixed various minor visual errors.
・Fixed minor text and font issues.
・Fixed an issue where your customized keyboard controls could be reset when connecting a new controller.
・Fixed an issue where plugging in USB and Bluetooth controllers simultaneously could cause repetitive button presses.
The next patch (1.05) only contains extremely minor changes, but internally it contains some large code changes, so we will be initially releasing it on a Steam beta branch soon.
Build 19322285
Jul 23, 2025
DELTARUNE v1.03 Patch
We have issued a new bugfix patch for all platforms (PC / Mac / Consoles). After updating, you can check the version numbers in the bottom right of the file select screen for each respective chapter.
Version Numbers
ch1: 1.38
ch2: 1.44
ch3: v0.0.094
ch4: v0.0.094
Changelist
Chapter 3
・Swords used in a certain boss's "Sword Tunnel" attack now have a reduced hit box relative to the graphic, making the attack easier to dodge.
・Fixed a softlock on the Board 1 that could occur after using only three keys.
・Fixed a soft lock if a party member fails to reach the Power Croissant.
・Fixed a crash if you pushed a pyramid the wrong way.
・Fixed an issue where on certain platforms, the sprites of the game would become blurry after the Tenna scene.
・[PC-only] Fixed a visual issue where after defeating Tenna, it was erroneously showing texture data instead of static on certain computers.
Chapter 4
・If you lose to Jackenstein 2 times in a row, the amount of damage that the chasing pumpkin deals will be halved. If you lose 3 times in a row, TP gain will be increased by 50%. These changes will allow players who find this battle difficult to progress past it more easily.
・Fixed a softlock which could occur if the tutu was not returned to you.
・Fixed an issue where normal battle music would not play if you fought Mike at the beginning of the game. (This issue becomes resolved after fighting Jackenstein.)
・Fixed an issue with a hitbox not working when a boss dives at you from many different directions. (The hitbox will be adjusted more later)
・Fixed an impossible note on the song "Knock You Down!!" in the rhythm game.
・Fixed an issue where Kris would still appear to be wearing their church clothes even though they'd been removed.
・Fixed an issue where asking Ralsei advice for a puzzle would simply result in him saying a single button.
・Fixed an issue where changing octaves on the giant piano organ thing could freeze the game.
・Susie and Ralsei no longer erroneously appear in the rhythm game at Castle Town at the end of the Chapter.
Various Chapters
・Fixed an issue where the intro prophecy would always be skipped after selecting a chapter using a controller.
・Fixed a few minor textual errors.
・Fixed various minor graphical errors.
・Various other minor fixes.
--
Testing of the next patch (1.04) has already been mostly completed and will be submitted soon. The next patch contains a minor gameplay adjustment in addition to various fixes.
View on Steam
We have issued a new bugfix patch for all platforms (PC / Mac / Consoles). After updating, you can check the version numbers in the bottom right of the file select screen for each respective chapter.
Version Numbers
ch1: 1.38
ch2: 1.44
ch3: v0.0.094
ch4: v0.0.094
Changelist
Chapter 3
・Swords used in a certain boss's "Sword Tunnel" attack now have a reduced hit box relative to the graphic, making the attack easier to dodge.
・Fixed a softlock on the Board 1 that could occur after using only three keys.
・Fixed a soft lock if a party member fails to reach the Power Croissant.
・Fixed a crash if you pushed a pyramid the wrong way.
・Fixed an issue where on certain platforms, the sprites of the game would become blurry after the Tenna scene.
・[PC-only] Fixed a visual issue where after defeating Tenna, it was erroneously showing texture data instead of static on certain computers.
Chapter 4
・If you lose to Jackenstein 2 times in a row, the amount of damage that the chasing pumpkin deals will be halved. If you lose 3 times in a row, TP gain will be increased by 50%. These changes will allow players who find this battle difficult to progress past it more easily.
・Fixed a softlock which could occur if the tutu was not returned to you.
・Fixed an issue where normal battle music would not play if you fought Mike at the beginning of the game. (This issue becomes resolved after fighting Jackenstein.)
・Fixed an issue with a hitbox not working when a boss dives at you from many different directions. (The hitbox will be adjusted more later)
・Fixed an impossible note on the song "Knock You Down!!" in the rhythm game.
・Fixed an issue where Kris would still appear to be wearing their church clothes even though they'd been removed.
・Fixed an issue where asking Ralsei advice for a puzzle would simply result in him saying a single button.
・Fixed an issue where changing octaves on the giant piano organ thing could freeze the game.
・Susie and Ralsei no longer erroneously appear in the rhythm game at Castle Town at the end of the Chapter.
Various Chapters
・Fixed an issue where the intro prophecy would always be skipped after selecting a chapter using a controller.
・Fixed a few minor textual errors.
・Fixed various minor graphical errors.
・Various other minor fixes.
--
Testing of the next patch (1.04) has already been mostly completed and will be submitted soon. The next patch contains a minor gameplay adjustment in addition to various fixes.
Build 19139485
Jul 8, 2025
DELTARUNE v1.02 Patch
We have issued a new bugfix patch for all platforms (PC / Mac / Consoles). After updating, you can check the version numbers in the bottom right of the file select screen for each respective chapter.
Version Numbers
Ch1 1.37
Ch2 1.43
Ch3 v0.0.091
Ch4 v0.0.090
Changelist
Chapter 2
・Fixed an issue in the room with fireworks where the floor switch can be pressed by an invisible character.
Chapter 3
・Key Items received from the Ball Machine no longer incorrectly persist outside of that room. This caused numerous issues, including not being able to receive the Shadow Crystal from a certain boss.
・Fixed an issue where Susie and Ralsei would appear completely shadowed if defeated by a boss's attack.
・In a room where Susie destroys houses, she no longer stops moving erroneously after the battle. However, she now slides around erroneously. Apparently this is better.
・Attempted to fix issues on Board 1 where you can see duplicate Ralseis as well as make Ralsei disappear indefinitely.
Chapter 4
・Fixed some places where the characters were the normal color in an area that has abnormal coloration.
・Fixed an issue where it's possible to get temporarily stuck in a playable piano.
・Fixed an issue during an optional battle where damage numbers done to the players were not visible. Additionally, the heal numbers were moving further to the right every time they appeared.
・Removed the erroneous appearance of a duplicate Kris in the closet.
・[PC-only] Fixed various display issues with the microphone select menu. Additionally, fixed a potential softlock if you have no microphones attached.
All Chapters
・"Master Volume" setting now persists between Chapters when using the same file.
・[PC-only] Fixed the way the controllers are handled to alleviate some issues with TV-docked Steam Decks.
・[Mac-only] Fixed an issue on certain Mac systems where the full-screen mode would resize improperly when returning to the main menu from Chapter 4.
・Additionally, there are several other minor aesthetic fixes across chapters 2, 3, and 4.
Testing of the next patch (1.03) has already been completed and is waiting for release. The next two patches contain many more crash and softlock fixes, as well as some extremely slight adjustments to gameplay.
View on Steam
We have issued a new bugfix patch for all platforms (PC / Mac / Consoles). After updating, you can check the version numbers in the bottom right of the file select screen for each respective chapter.
Version Numbers
Ch1 1.37
Ch2 1.43
Ch3 v0.0.091
Ch4 v0.0.090
Changelist
Chapter 2
・Fixed an issue in the room with fireworks where the floor switch can be pressed by an invisible character.
Chapter 3
・Key Items received from the Ball Machine no longer incorrectly persist outside of that room. This caused numerous issues, including not being able to receive the Shadow Crystal from a certain boss.
・Fixed an issue where Susie and Ralsei would appear completely shadowed if defeated by a boss's attack.
・In a room where Susie destroys houses, she no longer stops moving erroneously after the battle. However, she now slides around erroneously. Apparently this is better.
・Attempted to fix issues on Board 1 where you can see duplicate Ralseis as well as make Ralsei disappear indefinitely.
Chapter 4
・Fixed some places where the characters were the normal color in an area that has abnormal coloration.
・Fixed an issue where it's possible to get temporarily stuck in a playable piano.
・Fixed an issue during an optional battle where damage numbers done to the players were not visible. Additionally, the heal numbers were moving further to the right every time they appeared.
・Removed the erroneous appearance of a duplicate Kris in the closet.
・[PC-only] Fixed various display issues with the microphone select menu. Additionally, fixed a potential softlock if you have no microphones attached.
All Chapters
・"Master Volume" setting now persists between Chapters when using the same file.
・[PC-only] Fixed the way the controllers are handled to alleviate some issues with TV-docked Steam Decks.
・[Mac-only] Fixed an issue on certain Mac systems where the full-screen mode would resize improperly when returning to the main menu from Chapter 4.
・Additionally, there are several other minor aesthetic fixes across chapters 2, 3, and 4.
Testing of the next patch (1.03) has already been completed and is waiting for release. The next two patches contain many more crash and softlock fixes, as well as some extremely slight adjustments to gameplay.
Build 18791270
Jun 9, 2025
We are releasing a hotfix for PC & Mac to remedy some issues occurring in the game.
You can confirm the version number on the bottom right of the file select screen.
Changelist
Ch3 v.0.0.089
Fixed crashes relating to Shadowguy's Sharpshoot ACT.
Ch4 v.0.0.088
Removed key combinations that caused various issues across the game.
Fixed a crash relating to talking to an NPC when it's raining.
Strengthened an imagery while while maintaining the scene's intended meaning.
Fix of trapped out the closet.
We will begin the process of issuing the previous patch (1.01B) to consoles soon (not that that matters to you guys). The next patch will take longer and address non-fatal bugs. After that, we will take some more time to consider other adjustments.
View on Steam
You can confirm the version number on the bottom right of the file select screen.
Changelist
Ch3 v.0.0.089
Fixed crashes relating to Shadowguy's Sharpshoot ACT.
Ch4 v.0.0.088
Removed key combinations that caused various issues across the game.
Fixed a crash relating to talking to an NPC when it's raining.
Strengthened an imagery while while maintaining the scene's intended meaning.
Fix of trapped out the closet.
We will begin the process of issuing the previous patch (1.01B) to consoles soon (not that that matters to you guys). The next patch will take longer and address non-fatal bugs. After that, we will take some more time to consider other adjustments.
Build 18782119
Jun 8, 2025
DELTARUNE Hotfix Patch (PC & Mac) v1.01B
We are releasing a hotfix for PC & Mac to remedy some issues occurring in the game.
You can confirm the version number on the bottom right of the file select screen.
Changelist
Ch3 v.0.0.088
Fixed a softlock where you can get teleported to the Green Room during the battle with one of the final bosses, and be permanently unable to progress if you save. (This fix prevents the issue from happening again, but unfortunately if you had this bug occur, your save file will still be broken.)
Fixed a softlock where the raft could get stuck in a wall.
Fixed a crash if you lose to the first miniboss with zero points.
Fixed a depth issue with a black tile.
Some players' computers are not compatible with the method of video display in Chapter 3. if you reach a cinematic which crashes or freezes your game, returning to that scene once more will give you the option to skip it.
Fixed a bug when receiving a prize for attaining the highest rank.
After defeating a certain a boss, if your inventory is too full to receive the armor in the chest, a treasure chest will be placed into the Green Room.
Ch4 v.0.0.087
Fixed an issue where the game would crash when loading a file from Chapter 3.
Fixed a crash with a scene that could happen at the end of an area.
Fixed an issue of trapped in the closet.
We are aware of many other remaining issues, so we will be issuing one last hotfix patch soon! After the next hotfix is on PC, we will generate a patch for consoles.
Build 18765027
Jun 6, 2025
We are releasing a hotfix for PC&Mac to remedy some issues occurring in the game.
You can confirm the version number on the bottom right of the file select screen.
Changelist
Ch3 v.0.0.087
Fixed a common crash in a room with a lot of screens.
Fixed a crash when a certain boss tries to summon enemies.
Fixed a freeze involving talking to a character after getting off of a raft.
Fixed a freeze when checking binoculars.
Removed a visible debug message.
Fixed a crash involving picking up grass and swapping characters frame perfectly.
Fixed a part where you can erroneously enter an empty room.
Backtracking to a puzzle after attaining a special armor no longer crashes the game.
Added a failsafe if you don't have audio output during rhythm games segments.
Ch4 v.0.0.086
Fixed an issue where pressing up on the keyboard was required to move out of a present, regardless of key binding.
Small graphical alteration to a certain scene.
We are aware of many other remaining issues, so we will be issuing another patch soon! After everything is hotfixed on PC, we will patch consoles next (it takes longer).
View on Steam
You can confirm the version number on the bottom right of the file select screen.
Changelist
Ch3 v.0.0.087
Fixed a common crash in a room with a lot of screens.
Fixed a crash when a certain boss tries to summon enemies.
Fixed a freeze involving talking to a character after getting off of a raft.
Fixed a freeze when checking binoculars.
Removed a visible debug message.
Fixed a crash involving picking up grass and swapping characters frame perfectly.
Fixed a part where you can erroneously enter an empty room.
Backtracking to a puzzle after attaining a special armor no longer crashes the game.
Added a failsafe if you don't have audio output during rhythm games segments.
Ch4 v.0.0.086
Fixed an issue where pressing up on the keyboard was required to move out of a present, regardless of key binding.
Small graphical alteration to a certain scene.
We are aware of many other remaining issues, so we will be issuing another patch soon! After everything is hotfixed on PC, we will patch consoles next (it takes longer).
Current Release
19477244
Uploaded Aug 05, 2025
System Requirements
OS
Windows 10 or higher
CPU
N/A
RAM
2 GB RAM
GPU
128 MB
How to Install
1
Download all files
2
Extract the .ISO file to a folder (use WinRAR or 7-Zip)
3
Mount the ISO file (double-click or right-click → Mount)
4
Run setup.exe
5
Launch the game from desktop shortcut or Start Menu
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
Size
330 MB
Build
19477244
Password: cracked-games.org or 123
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Download DELTARUNE for PC with a direct link or via torrent. Get the full version of DELTARUNE for free. DELTARUNE is a Indie released by tobyfox.