Game update

New mechanics:

• Enemies killed by Knight will be resurrected to your side with 4 HP and 50% attack. Each exceeded damage will convert to 4 extra HP on revival

• Added Mini Challenges: 6 different scenarios with increasing difficulty. Unit's stats will vastly differ from the main game

Balance changes:

• Warrior's push now causes 30% of enemy's health lost on collision (raised from 25%). Attack is lowered from 4 to 2. Action point is raised from 2 to 3

• Skeleton's health is raised from 12 to 15

• Ooze's health is raised from 10 to 12

Other Changes:

• Added volume control

• Added game over transition and winning/losing sound effects