Just some random thoughts. The ATV is sooo difficult to build, even though I always get the ATV unlock first, by the time i get the small accumulator, i have enough points saved up to move past the ATV and instead use the Mars Truck, which i find a vastly superior vehicle. So, why not make it easier to unlock the ATV in the beginning, and harder to unlock the Mars Truck. Perhaps a blueprint unlock like the Rover and get rid of the second unlock for the ATV? Or tie it to another unlock, like battery storage for power?

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