I will add leaderboard in your unity android game

Leaderboards is fun to drive competition among your players,

both for your most hardcore fans (who will be fighting for the top spot in a public leaderboard) and for your more casual players (who will be interested in comparing their progress to their friends').

IF you want to check the how leaderboard is work please take a look at the game I made including google game play sign in feature with world wide leaderboard

Game link : https://play.google.com/store/apps/details?id=com.gamea2z.slitherio.free.dots.snake

Achievements can be a great way to increase your users' engagement within your game

Achievements can also be a fun way for players to compare their progress with each other and engage in light-hearted competition.

we provide below leaderboard services

•  firebase leaderboard 
•  facebook leaderboard 
•  playfab leaderboard
•  Unity leaderboard 

any other type of custom leaderboard as per buyer requirement.

Please message me before placing order. Will be happy to discuss your requirements.