GamiPress Submissions addon. Gamipress Pro is the easiest way to gamify your WordPress website, for free! Gamipress Pro lets you award your users with digital rewards for interacting with your WordPress website. Create a more meaningful and memorable user experience.
Do you want to drive engagement and increase your user's loyalty? Gamipress Pro plugin will help you gamify your WordPress website in minutes. With the use of a few shortcodes, you can create game elements like leaderboards, badges, and more on your site. With the Gamipress Pro plugin, you can also create events, multiplayer games, and assignments.
You can see all the addons by clicking on this link