One of my all time favourite solo games is Herbaceous, the tranquil card game about potting herbs from your garden. It is a game that I have lost count the number of times I have played a solo session or three in succession. Which leads me to Gift of Tulips, an upcoming game for 1 - 6 players from designer Sara Perry and publisher Weird Giraffe Games:

“In Gift of Tulips, tulip enthusiasts explore Amsterdam’s tulip festival to build colorful bouquets. Players can change the value of different tulips by playing into the Tulip Market, gain points by giving tulips to other players, or build up their own bouquet, which is scored at the end of the game.

Easy to Learn: Simple enough for kids to play and enjoy, with depth and strategy to keep hobby gamers interested.
Give to Win: You can only win the game if you give enough to other players, so you must do so strategically!
Secret Market: The secret market has a touch of press your luck as you might not see that tulip again, but if it does come out of the secret market, you'll know more about the end game conditions!”

At the time of writing, Weird Giraffe Games is planning to launch a Kickstarter campaign for Gift of Tulips in February, 2021.

Source: Weird Giraffe Games