Different methods to solving puzzles instead of linear ones

[fallen flicker]

Personally I think that the puzzles in this game is one of it's weak points. Most of the time it's "Place object here" or "Insert code here". It would be very cool if there were many methods to, for example, getting a key, or sneaking into an unreachable area.

[hard current]

all the houses follow a basic formula

complete like 4-5 puzzles

you either get key or part of a code