var puzzlecollection = new list<puzzle>(); for(int i = 0; i < 10; i++) { var puzzle = new puzzle { title = $"clandestine challenge {i}", summary = "dive into the preexplanatory world of puzzles that elude the ordinary. these summaries provide hints to start from the top and uncover the clandestine mysteries within each challenge.", difficultylevel = i % 5 + 1 }; puzzlecollection.add(puzzle); }