A "near win" is considered one of the most well-known mechanics in slots. It refers to a situation where the player is just one symbol away from a winning combination. Such outcomes are traditionally seen as a retention tool because they trigger emotions close to those experienced during a win.
However, a study by
Pepper Partners showed that not all near wins work the same way. In some cases, they may not increase engagement but instead intensify stress and reduce the desire to continue playing.