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Sony · Home console · 1994 Experimental

PS1 emulator for PC

Nostyra plays PlayStation games through PCSX ReARMed. Its built-in HLE BIOS runs most games; for the few that need a real BIOS, you can add one dumped from your own console.

Written by vivusk, Nostyra maintainer Last reviewed Based on the Nostyra README and release notes

Game files

  • Redump .cue + .bin tracks (keep them together; the track files are hidden from the library), a single .bin or .iso, .chd, and PS1 classic EBOOT.PBP.
  • A cue whose FILE line names a missing file is not listed; the scan notice shows which track is missing.
  • Multi-disc games: write an .m3u with one disc per line. The pause menu gains Disc to swap, and save states remember the inserted disc.

Identification and BIOS

  • The first data track is hashed against the Redump DAT. .chd and .pbp match by boot serial.
  • Settings → BIOS → Add BIOS file copies your own BIOS into data/system/ under the name the core expects (for example scph1001.bin). One BIOS of any region is used for every disc.

Memory cards and controls

  • Card 1 is the game's save.srm (raw 128 KiB, same format as ePSXe .mcr and DuckStation .mcd); card 2 is pcsx-card2.mcd.
  • Detail → Save states → Memory cards → Import card brings cards from other emulators (.mcr, .mcd, .srm, .gme, .vgs).
  • Cross = B, Circle = A, Square = Y, Triangle = X; L2 / R2 sit on the triggers.

Known limits

  • Not yet: analog sticks / DualShock mode, rumble, PPF patches, .img / .ccd / .mdf / .ecm, core options.
  • Loading a save state also restores the memory card stored in it: save in game before loading an old state.

Before you start

Nostyra does not include, download or link to PlayStation games or BIOS files. Use games you own, dumped from your own cartridges or discs. See the disclaimer.

Features for PlayStation games

Save states A save state stores the whole emulated machine at one moment, so you can continue from any point, not only where the game lets you save. Rewind Rewind keeps a short history of the game in memory. Holding the rewind key plays it backwards at 2× speed. Run-ahead Many games react to a button press one or more frames late, even on original hardware. Run-ahead emulates ahead and rolls back each frame to hide 1–2 frames of that delay. CRT and LCD shaders Shaders change how the picture is drawn, for example to imitate the scanlines of a CRT TV or the pixel grid of a handheld screen. RetroAchievements RetroAchievements is a community service that adds achievements to classic games. Nostyra supports it on 14 systems using rcheevos, the same library RetroArch uses. Resume When you quit a game, Nostyra saves a resume point. The next time you press Play, it asks whether to continue from there or start fresh.

Play PlayStation games with Nostyra

Free and open source. Portable zip, no installer, no account.

Download for Windows
macOS (planned) Linux (planned) iOS (planned) Android (planned)

Version 0.1.0 · 25.9 MB zip · Windows 10 / 11, 64-bit

Hosted on GitHub Releases. First time? Read the install guide.