There's a fourth Cube movie? I never knew that! ... oh, it's a Japanese remake!
Several people find themselves in a cube of a room, with hatches on each of the six walls. They climb through several, finding some way to detect traps, and eventually find a way out... but finding there is a way out is different to actually getting out, and that's not what's on everyone's mind.
This is a very faithful remake, with minor changes to some traps, but still some very same beats. The characters get a little rearranged from the original, but still the same ideas. However, one character has definite Main Character Syndrome, and we get flashbacks, and he gets the arc of the movie.
I have no idea if they keep the prison naming scheme, and the ending is... a bit odd. I was initially against it, but then they did another scene and then "oh, okay then!".
Other than being over twenty years later with updated technology for effects, I can't say this is remake you need to see.
