Intellivision emulators

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Mattel Intellivision
Developer Mattel Electronics
Type Home video game console
Generation Second generation
Release date 1979
Discontinued 1990
Introductory price $299.99
Successor Amico (Intellivision) HyperScan (Mattel)
For emulators that run on the Intellivision, see Emulators on Intellivision.

The Intellivision was a game console produced by Mattel in 1979. It had a GI CP1610 CPU at 1 MHz. It had 1472 bytes of RAM, made up of 704 bytes of system RAM (stores the background table, system stack, EXEC variables), 256 bytes of "scratchpad RAM" (of which 16 bytes were unaddressable due to overlap with the sound chip) and 512 bytes of graphics RAM (stores tiles used by background and sprites). It was notably more powerful than the Atari 2600, which was released at a similar time, and could be used with a voice synthesizer unit known as the Intellivoice, which allowed speech in its games.


Name Platform(s) Latest Version Intellivoice ECS* KBC* Accuracy libretro Retro
FLOSS Active Recommended
PC / x86
Windows Linux macOS 2.3.7(jzIntvImGui)
~ High
MAME Windows Linux macOS FreeBSD 0.267 ~ Mid
FreeIntv_libretro Windows Linux macOS FreeBSD libretro core * * ~ ?
Nostalgia Windows 5.0 ~ Mid ~
Pantheon Windows 14.062 ~ Mid
Bliss Windows 2.0.5 ~ Low-Mid
Mobile / ARM
jzIntvImGui Android 2.3.7 ~ High
FreeIntv_libretro Android iOS libretro core ~ ?
Jzintv4droid2 Android 1.0.3 ? ? ~ Low-Mid ~
jzIntvImGui Switch 2.3.4 ~ High
FreeIntv_libretro Xbox One Xbox Series X/S libretro core ~ ?
NINTV-DS Nintendo DS 5.2 ~ Mid
PSPInt PSP 1.1.0 ? ? ~ Mid


  • jzIntv: Portable, no-frills Intellivision emulator. Probably the most complete and accurate Intellivision emulation available. Made by Joseph Zbiciak.
  • MAME (Formerly part of MESS): This multi-system emulator is presumed to have good support for the all released Intellivision models and add-ons - ECS and Intellivoice (eg. Keyboard Component); some mechanical things still not implemented.
  • Nostalgia: Pretty much the very best Intellivision emulator available at the time by 2009. Made by Joe Fisher.
  • Pantheon: Popular multi-system emulator for Windows OS covering many old computers and 1970's-1980's consoles. Shown to support Intellivoice games but no ECS games work in this software yet. Made by Boštjan Grandovec.
  • Bliss: First developed in early 2000's then abandoned. Afterwards, the author, Kyle Davis, tried to code it in C# and add portability but then decided to return to C++ and a simpler codebase. It has good support of Intellivoice and ECS's games but was unfortunately abandoned without much notice in 2006. Code on GitHub.

List of old known Intellivision emulators. Downloads of old emulators. Emulators not included above:

  • IntelliWare: Emulator and development kit for Intellivision. Made by Valter Prette.
  • Intellivision Lives: Commercial emulator from the current copyrights owners (Blue Sky Rangers) for many of the original Intellivision games.
  • IntvWin/IntvDOS: Little is known about this one. Made by John Dullea, author of PCAE (Atari 2600 emulator). IntvWin 1.1 released in 2002. The author added WinXP compatibility in IntvWin 1.3 in 2007 (File can be found at GameTronik.).
  • jzIntv Launcher: Complete GUI (Graphical User Interface) frontend and menu utility for the Windows version of Joe Zbiciak's jzIntv Intellivision emulator. Made by Rich Nagel.

Frontends for jzIntv

Keyboard Component & The ECS

The Keyboard Component was an addon meant to convert the Intellivision into a full fledged computer. The keyboard component had 16kb RAM shared with the master component, its own 6502 CPU and a built in tape player. It also had its character generator, able to overlay high resolution text on top of the master component's video. While promised since the system's launch, it never got beyond test marketing, selling only 4000 units which Mattel would eventually buy back.

The ECS (Entertainment Computer System) came about due to a FTC lawsuit for Mattel failing to produce the promised computer addon. The ECS was a lot less ambitious, adding a second sound chip which provides IO ports for either an alphanumerical keyboard, a musical keyboard or two additional controllers, an interface for either an external tape player or printer, 2 kilobytes of RAM and a built in BASIC.

* Entries for "ECS*" and "KBC*" in the table above should be explained here.


At the end of 1979, Mattel Electronics' Intellivision console was poised as a competitor to the number one selling console in the market, the Atari 2600.

After Mattel sold the rights to the system soon afterwards, the Intellivision was kept alive through their new owners, INTV Corp. Another 35 games were released from 1985 to 1990, mostly through mail order service. The system was generally very successful in the end, with over 3 million units sold and 125 games released before the system was finally discontinued in 1990.

During its lifetime, several models of the base system were released, as well as some interesting peripherals including a full computer adaptor, music keyboard, Intellivoice speech synthesis module, system changer to play Atari VCS games and PlayCable (an accessory to download games from your cable provider).

See also