Nowadays in IT industries retention of employees is a crucial task. Companies try hard to have win-win situation so that both the employees as well as the companies get mutual benefit. Most of the employees tend to change companies regularly as there is no growth in their careers, non-availability of challenging roles and lack of recognition. Another Important problem is to increase the employee's productivity. Most of the roles are saturated as employees keep doing the same work daily and no new challenges have been introduced in their work, to motivate their employees. This paper helps to understand and compare what all elements the IT companies are using to retain their employees and increase the productivity of the company. This study consider some of the reputed companies in the IT industry, comparing their Gamification elements with each other and finding the effective ones.