Another farming game! Nice!
I like the idea of adding strategy to selling wheat by having its price changing all the time, but the issue that I had is that I couldn’t find a goal after selling all of what I’ve harvested. Should I plant it and doing that all over again until I have no money? I think there was something missing in your idea to add replayability to the game.
Also, as a tip, remember to invert the steering when going backwards. That’s how cars usually work in real life, and it is what you expect when yoou play a game as well.