Advance Wars: Dual Strike
Mission 20 was a bit bizarre. Black Hole had five Black Crystals (that heal all units around them by 2 each move), but started with a load of assorted units on just 1 point. Of course, each turn they were repaired, so obviously a balance was stuck between blowing up dangerous-when-healthy units before they were repaired, and destroying the crystals to stop units being repaired. Wiped out most of the dangerous units before they really started fighting back, but was …