Turn 0: Deploy all beginning armies to S. Europe. Then attack Ukraine from S. Europe using three armies. After you have done that, attack Middle East from S. Europe using two armies. End your turn. If Middle East and Ukraine aren't captured by Turn One, restart the level and continue repeating the above steps until those two territories are captured.
Turn 1: Deploy all ten of your armies to Middle East. Attack India from Middle East using all of your armies. Once you have done that, end your turn.
Turn 2: Deploy all of your armies to India. Then attack Siam from India using all of your armies. After that, end your turn.
Turn 3: Deploy all of your armies to Siam. Attack Indonesia from Siam using all of your armies. End your turn after you have attacked.
Turn 4: Deploy all of your armies to Indonesia. Using 50% of your armies, attack New Guinea from Indonesia. Using the other 50% of your armies, attack Western Australia from Indonesia. After that, end your turn.
Turn 5: By this point, the enemy should have only one territory (Eastern Australia). Deploy five of your armies to New Guinea. Deploy the other five armies to
Western Australia. Attack Eastern Australia from Western Australia using all of your armies. Then attack Eastern Australia from New Guinea using all of your armies. After you are finished, end your turn.
Turn 6: If you have followed my instructions, you have won.