The same in way that they have to know who's the truth and who's the fake.
Same basic concept of investigation though laid out differently.

The same concept and storyline. The interpretation of the cases and how they come up with the result about who's who. Deduction and investigation skills type.

The same concept of dating show, the exchange or transit love is different in terms of that it involves their exes. But still the same dating show, different ways of showing the public eye.

The same concept of dating show. The first season shows the timeline and the island, and how the love story or dating scene would evolve

Have the same concept of survival. The Wedding War also uses physical strength to be able to win the prize, but the difference is that it is done by couples.

Have the same concept of survival. The Wedding War also uses physical strength to be able to win the prize, but the difference is that it is done by couples.

The same concept of survival game facing difficult obstacles and that uses the physical strength is also seen. The difference is that the wedding war is done with couples.

Physical games are also in society game though it incorporates mental games, still the same concept of survival games.

Physical games are also in society game though it incorporates mental games, still the same concept of survival games.

The Devil's Plan is like the new era of The Genius.
The same mind games and alliances.
The same critical thinking methods is also done to finish the game for the day.

The Genius second season is having the same concept of games, alliances and the use of garnets to continue. The same critical thinking is done doing games.

The Genius second season is having the same concept of games, alliances and the use of garnets to continue. The same critical thinking is done doing games.