DuckStation is an simulator/emulator of the Sony PlayStation(TM)/PS1 console focusing on playability speed and long-term maintainability. The goal is to be as accurate as possible while maintaining high performance.

PLEASE USE THE DISCORD SERVER FOR SUPPORT NOT EMAIL. You will get a response much quicker via Discord as we have a helpful community.

A "BIOS" ROM image is required to to start the emulator and to play games. A ROM image is not provided with the emulator for legal reasons you should dump this from your own console using Caetla or other means. These are usually dumped as "scphNNNN.bin" or "ps-NNN.bin".

DuckStation supports cue iso img ecm mds chd and unencrypted PBP game images. If your games are in other formats you will need to convert or re-dump them. For single track games in bin format you can use https://www.duckstation.org/cue-maker/ to generate cue files.

Features include:
- OpenGL Vulkan (recommended) and software rendering
- Upscaling texture filtering and true colour (24-bit) in hardware renderers
- Widescreen rendering in supported games (no stretching!)
- PGXP for geometry precision texture correction and depth buffer emulation (fixes texture "wobble"/polygon fighting)
- Adaptive downsampling filter
- 60fps in PAL games where supported
- Per-game settings (set enhancements and controller mapping for each game individually)
- Up to 8 controllers in supported game with multitap
- Controller and keyboard binding (+vibration for controllers)
- RetroAchievements in supported games (https://retroachievements.org)
- Memory card editor (move saves import gme/mcr/mc/mcd)
- Built in patch code database
- Save states with preview screenshots
- Blazing fast turbo speeds in mid to high end devices
- Emulated CPU overclocking to improve FPS in games

DuckStation supports both 32-bit and 64-bit ARM devices. However due to it being a more accurate emulator hardware requirements can be moderate. If you have a 32-bit ARM device please do not expect the emulator to perform well - you will need at least a 1.5GHz CPU for good performance.

**For high upscaling (more than 2x) you will need at least a mid range device. This is because of how many pixels the emulator needs to render/shade - it is not a question of optimization.**

Discord server link: https://discord.gg/Buktv3t
GitHub for bug tracking: https://github.com/stenzek/duckstation/
Game compatibility list: https://docs.google.com/spreadsheets/d/1H66MxViRjjE5f8hOl5RQmF5woS1murio2dsLn14kEqo/edit?usp=sharing

Instructions:

1. Install and run the app for the first time.
2. Add game directories by hitting the + icon and selecting a directory. The directories must be on your internal or external storage when selecting the directory tap the ︙(overflow) button on the top right and ensure "Show Internal Storage" is checked then tap the menu button and select your device name or SD card.
3. Tap a game to start. When you start a game for the first time it will prompt you to import a BIOS image.

If you have an external controller you will need to map the buttons and sticks in settings.

"PlayStation" is a registered trademark of Sony Interactive Entertainment Europe Limited. This project is not affiliated in any way with Sony Interactive Entertainment.

Duck icon by icons8: https://icons8.com/icon/74847/duck

Games shown are:
- Hover Racing: http://www.psxdev.net/forum/viewtopic.php?t=636
- Fromage: https://chenthread.asie.pl/fromage/
- PSXNICCC Demo: https://github.com/PeterLemon/PSX/tree/master/Demo/PSXNICCC