Walkthroughs for custom maps.

This is almost impossible because you need to create a separate map for each game, which naturally no one will do. Besides, the beauty of the game on fixed maps lies in exploring and implementing some interesting plan/strategy (as in offline mode).

A huge number of maps have already been created, enough for a lifetime, even if you play every day...

Added 4 minutes later
Studying the map in advance is a huge mistake. Each map is for one game; it's like in life...

Do you think an author's map can be very similar to a random one? Of course, it can. That is, an author's map can be made at least as interesting. And it can be made much more interesting!