Running out of seeds!? Plant your last one in fertile ground to make a new plant, and then harvest a fresh supply of seeds.
When you come across a new creature, look at the blank entries in your encyclopaedia to see what you should be trying to find out.
Use the map to instantly travel between Martian caves if you've run out of a specific seed and need a quick resupply.
Standing next to hydrated Halid Zoa plants is the only way to restore your health, so find one if you're nearly dead.