Bubble Farmer: Win Real Cash

Bubble Farmer is a portrait-oriented, single-player game played in short bursts, likely while waiting for other things. It's designed to be easily interrupted, with no penalty for stopping mid-session. However, the game heavily incentivizes spending real money, and reviews strongly suggest it's structured to make cashing out winnings extremely difficult, making it best suited for players who enjoy casual, free-to-play games and are willing to accept a high probability of not earning real money.