Tile based game

Hello,

I’ve been thinking of creating a tile based game rather than an art based one. I’ve also been going around looking at a few "how to"s on it. My query is this -

In most tutorials, the level of the game is created by using a 2D array. Would I have to create multiple arrays to hold multiple levels of the game? For instance if I want to have 25 different levels in my game, would I have to create 25 arrays in my document class? Would something like declaring the arrays in separate functions on every consecutive frame on the main timeline and calling those functions in the document class be ideal (mainly so the document class itself doesn’t get cluttered)?