Its a first person shooter with different characters such as the hitman and the agent or the farmer. Each character has a loadout of a primary a secondary and a special. For instance the hitman has a sniper rifle as his primary, a pistolbas his secondary and a telescope that calls in a bomber onto the spot of the target dropping a powerful bomb. When you enter a map you are one of 14 challengers and there is one champion from the previous round. If you are the last one standing then you stay in the map and you are the next rounds champion. The more rounds you survive the higher your score.
As to the modeling, if your good with environments you could create a map with a fortnite art style if you want to.