And making heme is what they are proud of at impossible foods. https://impossiblefoods.com/heme
"Heme is what makes meat taste like meat. It’s an essential molecule found in every living plant and animal -- most abundantly in animals -- and something we’ve been eating and craving since the dawn of humanity. Here at Impossible Foods, our plant-based heme is made via fermentation of genetically engineered yeast, and safety-verified by America’s top food-safety experts and peer-reviewed academic journals. Watch more below."
Subnautica. It's not long but I enjoyed every minute of it. And the requirements for a 'perfect game' on steam aren't too difficult.