1) If the engine is capable to do it then it would be nice if a destroyed building or spaceship would collapse if one of the bottom floor destroyed. It does not look good when (for example) a farmhouse upper floor levitate when the bottom floor destroyed.
1a) When explosion happens a wave pushes away the characters and even destroys the buildings too.
2) it would be cool if the program showed where are the noises come in the enemy turn.