The Wii U version of SteamWorld Heist arrives later this week. It’ll cost $19.99 / €19.99 / £14.99, but Image & Form has prepared a couple of discounts. First off, SteamWorld Heist’s launch price is actually $14.99 / €14.99 / £10.99. Alternatively, those who own SteamWorld Heist for 3DS or SteamWorld Dig on Wii U/3DS will receive an extra discount....