Well, it depends on how your game is structured.
But if you want a suggestion:
You could - Make a lobby for the players to spawn an let them go and choose what minigames they want to play.
Mini Game Ideas:
https://forum.creative.gimkit.com/t/how-to-make-a-minigame-game/110936
No pictures :(
https://forum.creative.gimkit.com/t/minigame-maps-wiki-platformer/111034
This one has pictures! :)
https://forum.creative.gimkit.com/t/minigame-ideas-if-you-are-stumped-come-here-wip-editing/125906
And this one could work too.