My goodness, didn't expect to get this many replies, thanks all for the suggestions and just to point out, yeah this is also the first time i touched Lua, it is quite an interesting language, to say the least.

Im making a doodle jump clone, my method of rendering the platforms are generating all the starting platforms with their positions and insert all of them into a table and rendering them later, but it seems only the last platform of the table is being rendered, this is probably a very newbie question...