Lost on the Moon Score Calculator

Scores are the sum of the absolute values of the differences between your rank and NASA's rank. Lower scores are better: 100% correct would have a score of 0.

Enter your rank for each item, then click the "Calculate Score" button.

Item Your Rank NASA's Rank NASA's Explanation
Box of matches 15 No oxygen on moon to sustain flame; virtually worthless
Food concentrate 4 Efficient means of supplying energy requirements
Fifty feet of nylon rope 6 Useful in scaling cliffs, tying injured together
Parachute silk 8 Protection from sun's rays
Solar-powered portable heating unit 13 Not needed unless on the dark side
Two .45-caliber pistols 11 Possible means of self-propulsion
One case of dehydrated milk 12 Bulkier duplication of food concentrate
Two 100-pound tanks of oxygen 1 Most pressing survival need
Stellar map (of the moon's constellation) 3 Primary means of navigations
Self-inflating life raft 9 CO2 bottle in military raft may be used for propulsion
Magnetic compass 14 Magnetic field on moon is not polarized; worthless for navigation
Five gallons of water 2 Replacement for tremendous liquid loss on lighted side
Signal flares 10 Distress signal when mother ship is sighted
First-aid kit containing injection needles 7 Needles for vitamins, medicines, etc. will fit special aperature in NASA space suits
Solar-powered FM receiver-transmitter 5 Can communicate with mother ship over short ranges

Your Score: -