Hell Pizza Dunedin South: Free Delivery over $30, Free Wedges & Garlic Bread with 2x Double Pizzas & 1, 2 or 3 Free Kids Pizzas

DS30D - Free Delivery with orders over $30
DSWGX2 - Free Wedges and Garlic Bread with 2x Double Pizzas
DS333X1 - Free 333 Kids Pizza with orders over $20
DS333X2 - 2x Free 333 Kids Pizza with orders over $25
DS333X3 - 3x Free 333 Kids Pizza with orders over $30

These codes seem to follow a pattern between stores so replace DS with an abbreviation for your store and try your luck
e.g.
Dunedin North Store: DNWGX2 - Free Wedges and Garlic Bread with 2x Double Pizzas
Balmoral: BALWGX2 - Free Wedges and Garlic Bread with 2x Double Pizzas