"GM Universe" offers players the chance to create and manage their own wrestling league, starting from a small Independence league to competing with the biggest promotions in the world. With a focus on generating good ratings to increase income, players can book shows, recruit wrestlers, and upgrade their promotion. The game allows for the creation of exciting events, from weekly shows to pay-per-views, with a variety of match types and rules to choose from.

Players can let their wrestlers engage in feuds to boost popularity and earnings, with the option to customize feuds according to their preferences. Additionally, the game provides a high level of customization, allowing players to rename elements and even upload their own graphics for a personalized experience.