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Lunar Lander Simulator for Palm/Treo mobile devices

by Alice Davis

LEM Sim is the most realistic lander simulator ever developed on a Palm/Treo device! It combines real physics modeling, amazing sound effects and realistic lander malfunctions.

LEM Simulator Publisher's Description

Lunar Excursion Module Simulator 1

LEM Simulator Publisher's Description
LEM Simulator Publisher's Description

LEM Sim is the most advanced lunar lander game available on a Palm/Treo device. It realistically simulates the critical phase of an Apollo moon mission which is the landing. During the descent to the moon, you may also have to cope with system malfunctions while you are busy flying the LEM! Some of those failures are recoverable. One example is a leak in the fuel tank. This will of course reduce the amount of fuel available for landing requiring you to land quickly. Other failures may be fatal. For instance, if the main descent engine shuts down for too long then NASA may as well name a new crater after you!

Key Features

Realistic physics modeling of the descent engine and thrusters

Actual Apollo LEM instruments rendering such as the X-pointer, altitude tape and artificial horizon

Houston voice announcements of your altitude, rate of descent and fuel level

Realistic sound effects during flight

An on-board computer to help you fly the lunar module

Lander sub-systems may fail at any time during your descent

Three game levels : Rookie, Pilot and Commander

Two missions to choose from

Landing score takes into account landing accuracy, touchdown velocities, fuel remaining among other things

FREE version updates. You will not have to pay for any future LEM Simulator version!

20+ pages user's guide

Will run from SD card to save memory on device

Compatible devices (partial list)

  • Palm Treo 650
  • Palm Tungsten C
  • Palm Tungsten E2
  • Palm Tungsten T5
  • Palm Tungsten TX
  • Palm Tungsten T3
  • Palm Zire 72
  • Palm LifeDrive
  • Palm Tungsten T5


  • Palm OS 5.2 and higher
  • High resolution screen (320x320)

Release History

01/13/05: version 1.0

About Alice Davis

Alice is a writer who lives in the City of Long Beach. She has a husband, an exceptionally small chihuahua, and 15-pound Maine Coon. Alice got her bachelor of science in biological science from UC Berkeley. Now, she likes writing about a lot of things; including but not limited to technology reviews, science stuff, and anything food-related.

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