Back in 2009, City of Heroes added the Mission Architect, a feature which let the community design content for players.
Overwatch has a new Workshop mode, and one new player-created mode takes direct inspiration from Flappy Bird.
Try out some Overwatch Workshop community creations which let Reinhardt wallride and make emotes lethal
Earlier this week, Overwatch introduced its new Workshop creation tools onto the game's PTR servers.
If you've played Overwatch and have had any sort of ideas about how a game mode or a hero could be tweaked, you can probably do all of those things with the new Workshop feature.