both are survival shows aiming to create more popularity to the contestants to either promote as their own group (peaktime) or create a new vocal group with the contestants (buildup). both have amazing quality performances as well.

•how someone "impossible" or unpredictable takes the throne aka become the one in power.
•similar plot except maybe fantasy elements of reborn rich
•revolves around a chaebol family and the ultimate game plan to take it down like lego
•satisfying downfall of the rich hehe

when I think of "inside a game", Memories of the Alhambra is my first thought. the characters in both these dramas try to escape from the game- will they succeed or not? we find ourselves rooting for the characters' happy ending and thrilling escapes :)

-SL of our secret is ML of Mountains and Ocean
-both start on a happy note, angst in the middle and happy ending
-both dramas focus on more than one timeline (school, uni/ school, work)
-almost similar imo.

Both the dramas have the same male lead and belong to the romance genre.
they are the first/second Xu Kai's modern dramas.

!this recommendation is based on ML only and not the story!

there's not much of a similarity actually. both the Male Leads are from the SM Entertainment's boy band NCT (127 & WayV). so yea, the dramas are not exactly similar but if you are a NCTzen or soon to be one, both dramas are for you :)

the male leads of both the drama are idols- both of them from SM's boy group NCT.
both are web dramas for a short binge.
little cliche but overall good.
highly recommended if you're a NCTzen or want to become one!

both the dramas have a NCT member as the Male Lead.
both are male chasing female first trope.
it has a secondary couple.

—cross world traveller
—fantasy x gaming
—no romance
—friendship
—popular leads ig (if that's even similar)

-Both are e-gaming
-male chases female first
-female leads are also gamers
-not a damsel in distress FL

Both deal with ghosts (or dead people's souls)
Hot tempered FL
Both dramas deal with supernatural for justice
Smart leads. No damsel in distress

similarities with Love is Sweet
—office romance
—FL works in ML's company
—death of a parent
—romance comedy