Not so useful links
Games:
itch.io Blupi Backloggery Pokémon Showdown Real world maps in "Cities: Skylines" Models Resource Old Games Download
Cartography and Vexillology:
Mercator: Extreme Flags of the World The true size of...
DnD:
Solo DnD Guide MUNE Adventure Generator r/rpg Solo Play DnD Abilities
Other stuff: