Blizzard games are renowned for their game modes that are custom designed. Some examples include Tower Defense, Uther Party, Warlock Brawl, Footman Frenzy, as well as Dota in Warcraft III. Apart from Blizzard, Counter-Strike: Global Offensive featured special game modes such as surf, bhop, and an obstacle course. https://www.owboostroyal.com/blog/Custom-Game-Modes-in-Overwatch