What are your options if you prefer to play alone, or you want to play a game and there is no other player available? Many games are great for solo play. Here are some in our collection with a single player option:
Agricola
Arkham Horror
Eldritch Horror
A Feast for Odin
Gaia Project
Scythe
Spirit Island
Teotihuacan
Terraforming Mars
Viticulture
BoardGameGeek 1-Player Guild creates an annual list of favorite games for solo play. Check out their suggestions (also available as a YouTube video) for ideas and inspiration.