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It's a recent policy of CoG/HG, there will be no save/export feature until the sequel is near release, then the game will have an update that features the save/export feature.
As for recommendations, I'd suggest playing Choice of Robots for CoG's lineup, it's probably among the best, if not the best, CoG title.
HG titles. If you like gritty fantasy Napoleonic Wars, try the Sea of Infinity series. From the same author of the series, A Study in Steampunk is a fantasy/steampunk version of Sherlock Holmes where old Shirley is your right hand and you play as a Watson expy. There's also Lost Heir trilogy, an epic fantasy where you can roleplay a character from many classic rpg classes, and Heroes Rise trilogy, where you play as a newbie hero that tells their journey from nobody to legend. These four are probably the best HG titles that I'd recommend.
Titles that involve magic, I'd recommend Kendrickstone/Cryptkeepers series, Way Walkers Uni series, Evertree/Sordwin series, Choice of Rebels, and Keeper of the Sun and Mood, aside from the aforementioned Choice of Magic (from the same author of Choice of Rebels) and Lost Heir trilogy. Most of these titles are lighthearted, some YA in theme, but Rebels is grim and dark that features resource management and some brutal character deaths.
You mentioned earlier that you don't like superhero titles, but I'd still recommend the Heroes Rise since I also steered away from superhero titles until I tried my hand on that one. There's also the reverse, where you play as the villain: Fallen Hero (mentioned before) where you play as a broken hero angry at an indifferent or uncaring world; and the recent Hero or Villain: Genesis, where as the title suggests, you can play as the hero or villain, but unlike the other superhero titles, this one actually lets you choose your superpowers at the beginning.
There's also niche themes like resource management (Kepler Colony and Stronghold), cosmic horror (Highlands, Deep Waters), gothic horror (Heart of the House), vampire (Choice of Vampires), zombies (Zombie Exodus), mythology and godhood (Tower Behind the Moon, Champion/Exile of the Gods series) and mecha (Mecha Ace and Magikiras).
There's more than a 100 CoG/HG titles combined, and I'd suggest reaching out to @Phytoplankton since they have a comprehensive list of both titles. Good luck!!!
