Amazon has the ELLO King of Monster Island Strategy Board Game for $40 with free shipping. Sells for $56 at Walmart and $70 at Target. Has 6 levels of difficulty and 1 campaign mode. Several other IELLO games on sale:

• IELLO: Ancient Knowledge Strategy Card Game for $25
• IELLO: Dwarf King for $8.39
• IELLO: Prophecy for $8.99