Kingdom: Legendary War (2021)

Both similar in a way one is about Trying to be an idol while kingdom is multiple idol groups trying to be the best while one is forming an idol group

The female version. Various of well-loved kpop female idol groups (and park bom) compete in numerous performance challenges. Listen to remixes and other idols cover each other's songs.

Queendom is the same variety show but with girl groups. Here is the second saison of the female version.

Road to kingdom is the prequel to the upcoming show Kingdom. The winning group of road to kingdom earns a place in kingdom.

Survival shows for already debuted boy idol groups that are looking for more recognition. Production and producers attitude towards competitors is very different, though.