Forty Years of Lunar Lander

In 1969, an Apollo-crazy high school student wrote one of the most influential computer games of all time.

By  |  Sunday, July 19, 2009 at 11:54 pm

Rocket (circa 1971)

(PDP-8, by Eric Peters)
Rocket introduced a primitive graphical display that utilized a single asterisk to display altitude. It was still text based.

Windows and Linux users can easily play Rocket with Vintage BASIC. Download the game here.

Rocket - BASIC - by Eric Peters

LEM (circa 1971)

(DEC PDP-8, by William Labaree II)
Labaree’s version is the most complex of the text-based landing simulators. It even offers to display readouts in either English or Metric units.

Windows and Linux users can easily play LEM with Vintage BASIC. Download the game here.

LEM - BASIC - by William Labaree II

Moonlander (1973)

(DEC GT40, by Jack Burness)
The original graphical Lunar Lander game. Feel free to peruse the original source code, if you’re so inclined.

Moonlander (1973) Screenshot

Lunar Lander (1979)

(Arcade, by Rich Moore and Howard Delman for Atari)
Atari’s first arcade game with vector graphics. It spawned most of the clones you see today. Play it online at Atari’s website (requires Java).

Atari's Lunar Lander Arcade Game Screenshot

Tranquility Base (1980)

(Apple II, by Bill Budge)
x`Before he found fame at Electronic Arts for his Pinball Constuction Set, Bill Budge coded this very accurate clone of Atari’s Lunar Lander on the Apple II. It even simulates vector graphics.

Tranquility Base - Apple II

Jupiter Lander (1982)

(VIC-20, by Hitoshi Suzuki for HAL Laboratory)
While this game was also released on the Commodore 64, purists consider Suzuki’s VIC-20 version to be superior.

Jupiter Lander - VIC-20

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35 Comments For This Post

  1. Seb Lee-Delisle Says:

    Hi there and thanks for the mention! A really interesting article, I never realised the game had a life before the arcade game.

    I’ve just finished a 3D Lunar Lander Flash game just in time for the 40th anniversary : http://www.sebleedelisle.com/?p=473

    cheers!

    Seb

  2. fogus Says:

    I wrote a DSL in the Scala programming language that implements a dialect of BASIC which I then used to write a textual Lunar Lander game. :)

    http://blog.fogus.me/2009/03/26/baysick-a-scala-dsl-implementing-basic/

    -m

  3. Dave Barnes Says:

    I went to work for DEC in 1976 and got to play Lunar Lander on a machine in the Mill. I always crashed.
    If you landed successfully there was a McDonalds on the Moon.

  4. Peter Says:

    @Dave Barnes
    there was a McDonalds on the Moon.

    If you landed near it, an astronaut exited the LEM and visited it.

    Played it at Westfield in 1976/7 and crashed, too. The tech who “owned” the system showed me the McDonalds, and helped me acquire enough scrap parts to build a VT05 to use for grad school

  5. Richard D Says:

    I used to play the GT40 version and there was a McDonalds somewhere on the lunar surface. If you landed close enough a little guy would walk to the arches and order two big macs and a cheeseburger to go. (Not 100% sure about the order!).

    R.

  6. Ralph Nevins Says:

    Hp-25 calculator had a simple version
    49 programmable steps
    circa 1975
    http://www.hpmuseum.org/software/25moonld.htm

  7. Jim Garrison Says:

    I played Lunar Lander on 12/24/1967, on a GE timesharing system (ASR33 teletype, 110 baud acoustic coupler modem). I was a fourteen-year-old and thought I was going to be a chemical engineer. My dad called from the office and said that computer time that day (normally $50/hour) was free and I should come down and play some games. After a few games of Lunar Lander and a football simulator I asked him how it worked, and he said “just type LIST”. The rest, as they say, is history. That day is etched in my memory, and is the day I decided to write software for a living, which I’ve been doing ever since. [The system used Dartmouth BASIC and I recall the Lunar Lander program was only a few hundred lines of code, of which over half was text describing the game.]

  8. Adrian Says:

    Here’s a nice implementation.

    http://www.lushprojects.com/lunarlander/

    It’s with some equally fine exhibits at Southwold pier

    http://www.underthepier.com/06_new.htm

  9. brianlj Says:

    @Jim: HP-25, eh? I wrote a version for the TI-59 a couple of years after that. Kept it on one of those little whizz back’n’forth memory cards.

    Been quite a while since I thought of that.

  10. Bill Marshak, Ph.D. Says:

    I was at Univ of Miami (FL) in 1970 when I played this game on Dr. Earl Winer’s Lab 8 computer (Industrial Engineering Dept). It was a hybrid PDP-8 and analog machine which used DEC Tape, random access tape, for bulk storage. It had a vector graphic CRT (not TV raster) display. You controlled the LEM using the toggle switches on the PDP-8 face. I believe it might have been written at MIT.

    If you landed sucessfully (horizontal and vertical velocity within tolerance and on flat surface), Armstrong emerged, planted a flag, and said One small step for man, one giant leap for mankind.” If you found the MacDonalds (complete with golden arches), he went into the the restaurant and ordered (I think) “a Big Mac to Go”. It was the first computer game I ever played, followed by the Colossal Cave on a PDP-11 and Pong.

    Very cool for the time!

    Bill Marshak

  11. Jon Thompson Says:

    Austin Meyers has a mars lander already built into X-Plane. He also talks about the physics of flight on mars here..

    http://www.x-plane.com/mars.html

  12. Matt Curtis Says:

    I developed a character graphics-based version for USCD Pascal in the early 80s at the University of Rochester.

  13. agent58 Says:

    Man I remember playing that game. Back then it was so cool.

  14. Bill H. Says:

    Played it on a GE TSS-8 (PDP-8 time sharing system) in 1974 at high school in Pittsfield, MA. There was a version that would report crater size if you crashed.

  15. TotalForge Says:

    I didn’t see this fine sim mentioned, if you have a windows machine you are in for a treat.

    http://eaglelander3d.com/

  16. Bill Baxter Says:

    What!? No mention of Gravitar!?
    http://en.wikipedia.org/wiki/Gravitar

    It was kind of a Lunar Lander + Asteroids hybrid. I never could get past the first level, but I loved that game for some reason.

  17. Bob Says:

    Oi! Tosspots! You’ve missed out an entire generation of these games between ’82 and ’90! Have you ever heard of 8-bit Thrust? Firebird released awful versions of this for C64, ZXSpec and AMX, none of which compared to the 16 bit mastery that was Oids. A fine retrospective on the early history, but there’s a whole generation missing here…

  18. BDD Says:

    I wrote a Lunar Lander years ago, for the TRS-80 Model III, in BASIC. I’ve had a similar game in the back of my mind, where the player would land on other planets, and in the case of the gas and ice giants, drop a probe into the atmosphere or jettison a satellite. If you got too far into the atmosphere, you’d be crushed. I may still write it one day; maybe for the Dreamcast, as a goof.

  19. Wout Mertens Says:

    This prompted me to hunt for a game for IBM that I absolutely loved: “Lunar Module”. I couldn’t find it unfortunately.

    You had to take off and land on a vector-based 2D moon surface, killing evil turrets that tried to shoot you down with bullets. It included a level editor, my favorite level was humongous and included some very steep drops. It had unlimited fuel and ammo so maybe it’s not a strict descendant. Must have been from around 1990.

    Ah the memories…

  20. writer Says:

    hey there

    awesome write up

    A really interesting article

    keep penning more

    be well

    TD

    http://techdivine.com/tdblog

  21. Bruce B. Says:

    I remember a fantastic Lunar Lander simulator running on Control Data 6000 series mainframes around 1970 (one of the most powerful computer systems of the time [http://en.wikipedia.org/wiki/CDC_6000_series]) at Purdue.

    The operator’s console, consisting of two vector CRT displays was the interface. One display would be a view port out of the lander show a star-field and the moon; the other display was an instrument panel, all running in real time. Control was via assigned keyboard keys for fuel flow, thrusters, etc. I can’t tell you the number of hours “invested” in honing our skills of a very realistic, demanding program during non-production hours.

  22. Hypocee Says:

    My favorite adaptation for Windows is Gravity Well: http://www.plbm.com/gravwell.htm – analog thrust, classic graphics, progressively tough gravity.

  23. Stuart Halliday Says:

    I wrote a Lunar Lander graphics program for the Sharp PC1500 computer.

    I used the built-in BASIC and a bit of 6502C assembler to do the graphics. At first it was just a dot going left to right. As you got closer to the landing site, you turned the thin but wide display on its side to represent landing.

    All in 4K bytes…cor!

    Ahh we had so much fun in the 1980s.
    :-)

  24. kmoser Says:

    I still have a TTY printout of the source code as well as an instance of playing the game from 1980.

  25. Russ Greenlaw Says:

    The late 60s origin must be wrong. I played LL on a 1957 text-only vacuum tube and paper tape computer in 1964/65 period. Game had to have been well known (even public domain) by then, did require a dedicated or non-batch (that is interactive) environment; I played it on a machine with no operating system, just a floating point interpreter (a bit like a cross between assembler and BASIC); do not recall whether LL game ran under FP interpreter or was stand-alone. Game printed out a line at a time as you descended to the moon and adjusted your burn rate – looked pretty much like the BASIC run on the Atari listing under wikipedia. My guess LL dates from 1958 or perhaps 1960. Can anyone provide an older example ?

  26. Grant Philpott Says:

    What is the name of the Space Lander type game that also has Space Invader shapes attacking you? You had to land in about 3 places and also go up as well. It's such a long time ago!

  27. hulu downloader Says:

    It included a level editor, my favorite level was humongous and included some very steep drops. Feels Good.

  28. Cortex Says:

    You've forgotten a very very weird occurrence of that game :

    In the real Sega Pinball game Apollo XIII released in 1995, inspired by the motion picture, there was, outside the fabulous 13-ball multiball mode, a moon landing video mode…

    Smile!
    HB

  29. netflicks Says:

    Thanks for posting these Adrian
    Here's a nice implementation.
    http://www.lushprojects.com/lunarlander/

    It's with some equally fine exhibits at Southwold pier
    http://www.underthepier.com/06_new.htm

  30. dreambox dm600 pvr Says:

    That day is etched in my memory, and is the day I decided to write software for a living, which I've been doing ever sincet was kind of a Lunar Lander + Asteroids hybrid. I never could get past the first level, but I loved that game for some reason. i

  31. @SLPhysics Says:

    Hey, thkx, Ralph. I'm writing an academic paper about my Second Life lander simulator inspired in that version I used to play on my old HP25 and I needed that reference. You may have spared me a few hours of googling.

  32. Andy Pandy Says:

    i have a taito lunar rescue. cabinet machine. 1979. like to no more about it.

  33. Andy Pandy Says:

    I HAVE A TAITO 1979 LUNAR RESCUE. COCKTAIL MACHINE. I WOULD LIKE TO NO MORE ABOUT IT. I LIVE IN THE UK. MY NUMBER IS 07932836990. MY NAME IS ANDY

  34. Andy Pandy Says:

    i have a TAITO LUNAR RESCUE 1979 COCKTAIL MACHINE. LIKE TO NO MORE ABOUT IT. U CAN CALL ME ON 07932836990

  35. sh0v0r Says:

    Great Article, perhaps some if you guys might like to check out the game I am developing called Lunar Flight. http://www.shovsoft.com/lunarflight

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