Nobody with sense is out here arguing that it's easy to make games, but sometimes the challenges and intricacies of game development aren't super visible or understandable. To put things into perspective, No Man's Sky engine programmer Martin Griffiths shared a version of the 20 "platform combinatorics" that Hello Games' open-world space sandbox currently supports, with a few caveats that ratchet it up further.
First, here's the full list of formats, straight from a recent tweet from Griffiths:
