Moon Patrol is a 1982 horizontally scrolling shooter arcade game developed by Irem and distributed in North America by Williams Electronics.
Quick Facts
| Title | Moon Patrol |
| Year | 1982 |
| Manufacturer | Irem (Japan) / Williams Electronics (US) |
| Designer(s) | Takashi Nishiyama |
| Genre | Horizontally scrolling shooter |
| Hardware | Irem M-52 arcade system board with Z80 processor at 3.072 MHz |
| Ports | 10 ports, including Apple II, Atari 8-bit, and Atari 2600 — see Ports section |
History
Irem released Moon Patrol in Japanese arcades in mid-1982, with Williams Electronics handling distribution across North America under license. Designer Takashi Nishiyama, who would later create Kung-Fu Master and the original Street Fighter, built the game around a lunar rover crossing an endless alien surface. The cabinet ran on Irem’s own M-52 board, a Z80-based system the company also used for several other titles of the era, keeping production costs manageable while supporting relatively complex scrolling visuals.
The game’s lasting technical reputation rests on its background rendering. Moon Patrol is widely credited as one of the earliest arcade titles to use true parallax scrolling, layering a starfield, distant mountains, and a foreground surface that each move at a different speed to suggest depth. Retro arcade historians at Arcade 92 and the Internet Archive’s game library both describe this layered-scrolling technique as the feature that set Moon Patrol apart from flatter side-scrollers of 1981 and 1982. The approach proved influential enough that later scrolling shooters and platformers across arcades and home systems adopted similar multi-layer backgrounds.
Commercially, Moon Patrol performed strongly through its first year on location. By January 1983 it ranked among the top five earners on North America’s monthly RePlay arcade charts, a notable showing for a game released the previous summer. That popularity fed a wide wave of home computer conversions later in the decade, and the game’s rover-versus-UFO premise inspired multiple unlicensed clones on 1980s microcomputers.
Gameplay
Players pilot a lunar rover that moves continuously to the right across the Moon’s surface, so the core challenge is reacting to what scrolls into view rather than choosing when to advance. Craters and rocks in the rover’s path must be cleared with a jump, timed against the vehicle’s fixed forward speed, while mines and low obstacles can also be shot if a jump is not lined up correctly. Overhead, UFOs and other aircraft swoop in to strafe the rover, and the vehicle answers with two independent weapons: a forward-firing gun that hits ground-level threats along its driving line, and an upward-firing gun reserved for airborne attackers. Both guns can fire at once, so surviving a crowded stretch of track often means jumping, shooting up, and shooting forward within the same few seconds.
Progress is measured in checkpoints along two courses, and reaching each one banks points and a fresh stretch of terrain rather than ending the game outright. Losing all rovers restarts the run, so the scoring pressure comes from stringing checkpoints together without a collision.
- Continuous rightward scrolling with jump timing over craters and rocks
- Dual weapons: forward shots for ground hazards, upward shots for airborne UFOs
- Checkpoint-based course structure across the lunar landscape
Cabinet & Hardware
Moon Patrol runs on Irem’s M-52 arcade system board, built around a Z80 processor clocked at 3.072 MHz. The board’s layered graphics handling is what let the cabinet render its signature multi-speed scrolling backgrounds without bogging down the action on screen, a technical balancing act that made the hardware notable among early-1980s arcade systems.
Ports & Re-releases
| Platform | Year |
|---|---|
| Apple II | — |
| Atari 8-bit | — |
| Atari 2600 | — |
| Atari 5200 | — |
| Atari ST | — |
| Commodore 64 | — |
| VIC-20 | — |
| IBM PC | — |
| TI-99/4A | — |
| MSX | — |
Most of these home computer and console conversions were published by Atari, Inc., several under the Atarisoft label, while Irem handled the MSX release directly. Moon Patrol has also returned on modern hardware through the Arcade Archives series on Nintendo Switch and PlayStation 4, preserving the original arcade version alongside the vintage ports. Check the Atari 2600 and Atari 5200 platform pages for details on those specific ports.
Where to Play Legally Today
- Arcade Archives re-releases of Moon Patrol on Nintendo Switch and PlayStation 4
- MAME, run only with legally owned ROM dumps from a cabinet or licensed source you own
- Arcade museums and retro arcade venues that keep a working Moon Patrol cabinet on their floor
Collector Value
Original Moon Patrol upright cabinets turn up regularly on the secondary market, and pricing tends to track cabinet condition and originality of the artwork more than rarity, since the game sold well enough during its arcade run to remain reasonably available today. Loose PCBs circulate separately from cabinets for collectors who already own a compatible Irem-style enclosure. Among the home ports, cartridge and disk versions for systems like the Atari 2600, Atari 8-bit line, and Commodore 64 are generally inexpensive and easy to source, making them an accessible way to own a piece of the game’s history without the space demands of a full cabinet.
FAQs
Who made Moon Patrol?
Moon Patrol was designed by Takashi Nishiyama and manufactured by Irem in Japan, with Williams Electronics handling distribution in the United States.
What year did Moon Patrol come out?
Moon Patrol came out in 1982.
What genre is Moon Patrol?
Moon Patrol is a horizontally scrolling shooter, in which the player’s lunar rover moves continuously rightward while jumping obstacles and shooting ground and airborne threats.
What hardware did Moon Patrol run on?
Moon Patrol ran on the Irem M-52 arcade system board, powered by a Z80 processor running at 3.072 MHz.
Has Moon Patrol been ported to home consoles and computers?
Yes, Moon Patrol was ported to at least ten platforms, including the Apple II, Atari 8-bit computers, Atari 2600, Atari 5200, Atari ST, Commodore 64, VIC-20, IBM PC, TI-99/4A, and MSX.
See also the related Defender arcade page, and browse the Golden Age of Arcade Games hub for more classic scrolling shooters.
Sources
- https://en.wikipedia.org/wiki/Moon_Patrol
- https://www.arcade92.com/post/moon-patrol-exploring-the-history-of-an-arcade-classic
- https://archive.org/details/arcade_mpatrol
Facts on this page last verified 2026-07-15.