What are your computer's (RAM, processor, OS)?
A 32-bit operating system can only utilize a maximum of 4 GB of system RAM, regardless of how much physical RAM is installed. 64-bit systems can address vastly larger amounts of memory.
: The largest chapter currently released, featuring the most cutscenes and characters.
If you'd like to check if your PC is 32-bit or 64-bit, let me know and I can help you find those instructions! deltarune 32 bit
If you want to see if your specific computer can handle the game, let me know. I can help you check your , look up common error codes , or find official console links . Share public link
You can easily check what type of computer you have. Follow these steps for Windows: Click the button. Open the Settings menu. Click on System . Choose About at the bottom. Look at System type to see if it says 32-bit or 64-bit. Safe Ways to Play
The modern versions of the game, developed in GameMaker, are built for 64-bit architectures for Windows, macOS, and Linux. What are your computer's (RAM, processor, OS)
This method is highly unstable. It frequently causes audio desynchronization, broken text boxes, missing graphical layers, and game-breaking crashes during intense bullet-hell boss fights like Jevil or Spamton NEO. Optimizing Deltarune on Low-End 64-Bit Machines
Because GameMaker games compile into a data file ( data.win ) and an executable runner, advanced users have occasionally bypassed architecture limits by swapping the executable.
Modern versions of GameMaker (the engine used for Deltarune) have transitioned to 64-bit as the default standard, making older 32-bit extensions and runners increasingly difficult to maintain. Potential Workarounds : The largest chapter currently released, featuring the
Disclaimer: This information is based on user reports and public documentation up to mid-2026. The technical requirements are subject to change by the developers.
The confusion about Deltarune 's architecture is partly due to the game engine it uses: . This engine is highly versatile, capable of exporting games to a wide variety of platforms, including 32-bit and 64-bit versions of Windows, macOS, consoles, and mobile devices.
: Interestingly, some developers have modified GameMaker runners to get the game working on low-power devices like the Raspberry Pi, though this requires significant technical knowledge. Should You Upgrade?
While Undertale was built with broader compatibility in mind and natively supported 32-bit Windows systems, Deltarune Chapter 1 & 2 shifted the goalposts. The game engine and its deployment pipelines shifted focus toward modern 64-bit environments, leaving budget builds, older laptops, and legacy systems behind. The GameMaker Engine Factor
Since Deltarune officially requires Windows 10, playing on Windows 7 requires a workaround. The developers have provided a solution through a on Steam: