OSRIC v2.2 is better than v2, and is a very good compilation of the AD&D 1e system. 

v2 is a “pocket edition” that drops all but the most essential rules, for the sake of space. v2.2 is more comprehensive.

I do want to point out that my OD&D Dungeons game offers a magic item crafting option by NPCs. That’s a huge money sink right there, which has a direct effect on the game. Honestly I think that crafting should be a huge part of the gold sink game, but no one actually does it, despite random treasure not being a reliable method of getting useful items. And I think that it fits better in OD&D than it does in AD&D or other editions.

And I think that no one does it because Gygax makes it unreasonably punitive in later editions. The way to do it would be to take on a MU henchman, raise him in levels, and then store him in your stronghold to craft items exclusively. The whole 6-8 players that meet multiple times a week vs 3-4 players that meet only once at best, issue. 

In my game, I’m giving players a use for all their gold, and in fact incentivizing it as those who take advantage of this system will have better gear and items. I think that gamers actually have been trained erroneously by video games to assume that all their good equipment will come from monster drops, because spell research doesn’t exist in video games and crafting generally sucks.

 I no longer consider Mythic GME to be a universal supplement for playing RPGs solitaire. I think it works best as it’s own, roleplay lite, solitaire narrative writing game. I think that without other people, the closest you could get to a solo RPG experience are roleplay-lite board games.

Scarlet Heroes is very much it’s own, OSR-adjacent game. You can’t play Scarlet Heroes with B/X, you have to play it on its own. It has its own systems for managing combat that are more favorable to the PC. SH’s approach to solitaire is to give the player a selection of tables to look up die rolls on.

Advanced Heroquest and OG Warhammer Quest do much the same thing. You could play AHQ just by rolling dice and looking up tables when appropriate. In fact I think that the tables in these board games are more fun as solo games than Scarlet Heroes is.