What makes puzzle platformers challenging? What makes them good?
I'm a big fan of puzzle platformers - games like Portal 1 and 2, The Talos Principle, The Swapper, etc. - and I've logged many dozens of hours playing such games, mostly due to community-made puzzles. In fact, I've played over 500 community maps for Portal 2, and I've learned quite a bit along the way. Someone asked me an interesting question that really got me thinking: When do elements that are individually passable become insurmountable or too convoluted when stacked together? It's a great question, and I think the answer depends on a few factors: how many options plays have at each step, which options players are likely to actually notice, and what players typically think about each option. Every player is different, but that doesn't mean you can't estimate the qualities of a puzzle without players. How many options does a player standing in the center of the room have? An 'option' is an action the player can perform to change the state o