Prepare the first Jell-O layer (red or green) according to package directions.

Pour the prepared Jell-O into a 9 x 13-inch pan.

Refrigerate until the Jell-O is set.

Drain the juice from the crushed pineapple and heat it in a saucepan.

Add the marshmallows to the heated pineapple juice and stir until dissolved.

Add the lemon or orange Jell-O to the marshmallow-pineapple mixture and stir until dissolved.

Set the pineapple-marshmallow-Jell-O mixture aside to cool slightly.

In a separate bowl, mix the remaining crushed pineapple with the cream cheese and salad dressing until well combined.

Combine the cooled pineapple-marshmallow-Jell-O mixture with the pineapple-cream cheese mixture.

Pour the mixture over the set Jell-O layer in the pan.

Refrigerate until the second layer is set.

Prepare the remaining Jell-O flavor according to package directions.

Pour the prepared Jell-O over the second layer in the pan.

Refrigerate until completely set before serving.