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AW's Alien World Wonderer

This massive rover will safely and comfortably take you across not only an unknown alien landscape, but also under the waves or unknown alien ocean. It's large wheels easily make it over any obstacles and their built-in suspension makes huge boulders feel like tiny pebbles. This rover features four propellers for underwater exploration, two compartmets for storing your diving suits, and a large reinforced box that will keep all your other equipment safe. Two ladders on the back make climbing to and from the storage platform easier than ever. Warning: AWW is not recommended for use at high speed!

W-A-S-D for directional movement
Space for underwater thrusters
E - Opens the box, press again to quickly close it
Q - Gently closes the box

The box itself can be found on this page

This started out as an attempt to make a large wheel. Then before you know it (hours later) it was turned into a somewhat usable machine, all be it a rather slow one. All those springs help to relieve stresses from wheels that are made up of numerous separate pieces. Before suspension the wheels would quickly break apart, especially after hitting a bump.