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SPECIFICTION
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kat5200

jillybunch.com

Free plan WindowsmacOSLinuxAndroid
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Spec score 7.5 #13 of 25 in Atari Emulators

What it is

kat5200 is a free emulator for playing games from Atari 5200 and Atari 8-bit computer systems on a personal computer. It supports Atari 5200, Atari 400, Atari 800, Atari 800 XL and Atari 800 XE systems, with builds listed for Windows, macOS, Linux and Android. The emulator does not include game ROM images or BIOS files, so users must obtain and configure them separately. Controls can use a game controller, keyboard or mouse, and multiple input entries can be assigned to an emulated function. Users can save different input profiles and assign them to games in the Launcher. The Simulate Analog option can help when a game expects controller-axis positions but the player uses a keyboard or digital controller. Initial setup offers ROM-directory scanning and options for trackball, paddle and two-stick games. Version 1.0.0 uses TOML configuration and adds per-ROM profiles. The Android version is provided as an APK, not through the Play Store, and must be sideloaded.

Spec sheet

Purpose
kat5200 emulates the Atari 5200 and Atari 800/XL/XE computers so users can play games from those systems on a personal computer.Read 3 Oct 2026 · jillybunch.com
Support
The maker asks users to report bugs or suggestions through the issues list or by email, as described in an older release note.Read 3 Oct 2026 · jillybunch.com
Analog controls
The Simulate Analog option helps games that rely on controller axis positions when played with a keyboard or digital controller.Read 3 Oct 2026 · jillybunch.com
Compatibility note
The maker says the Android version is not in the Play Store and must be sideloaded.Read 3 Oct 2026 · jillybunch.com
Configuration
Version 1.0.0 changed configuration storage to TOML text format and added per-ROM profiles.Read 3 Oct 2026 · jillybunch.com
Downloads
The downloads page lists Windows installer and portable builds, a macOS disk image, a Linux Flatpak, an Android/TV APK, and a source zip for version 1.0.0.Read 3 Oct 2026 · jillybunch.com
Graphics
A release update added support for precompiled shaders from the libretro project.Read 3 Oct 2026 · jillybunch.com
Input
The emulator supports game controllers, keyboard and mouse input, and allows multiple input entries per emulated function.Read 3 Oct 2026 · jillybunch.com
License status
A 2008 release note states that kat5200 became open source.Read 3 Oct 2026 · jillybunch.com
Per-game settings
Users can save different input profiles and assign them to games in the Launcher.Read 3 Oct 2026 · jillybunch.com
ROMs and BIOS
The emulator does not include game ROM images or BIOS files; users must obtain and configure them separately.Read 3 Oct 2026 · jillybunch.com
Setup
The initial setup offers ROM directory scanning and options to configure mouse-as-trackball, mouse-as-paddle, and two-stick games.Read 3 Oct 2026 · jillybunch.com

Plans and prices

kat5200 Free Atari 5200 and 8-bit computer emulator Read 3 Oct 2026 · jillybunch.com

Every kat5200 plan and price →

Strong points and limits

Strong points

  • Supports Windows, macOS, Linux and Android.
  • Accepts controller, keyboard and mouse input.
  • Per-game input profiles can be saved.
  • Initial setup can scan a ROM directory.

Limits

  • Game ROM images are not included.
  • BIOS files are not included and must be configured separately.
  • Android installation requires sideloading.
  • Android version is not in the Play Store.

Who it suits

It suits players who want to run Atari 5200 or Atari 8-bit computer games on a personal computer and can configure their own ROMs and BIOS files.

Verdict

kat5200 offers multiple input options and per-game profiles for its listed Atari systems. Users need to supply ROMs and BIOS files, and Android users must sideload the APK.

Where Specifiction places it

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