Yeha, destructible environments would be great !!!
This reminds me of the N64 game blast corps.
You had to destroy buildings with all kind of vehicles.
It was really fun.
I played the game together with a friend. One level had the goal "destroy all targets". You had to do it in 45 seconds to get the best rating. I sat in front of the TV, the controller in my hand and I always said: "45 sec, 45sec, 45sec, . . ."
This way we developed our motto: "He had the time record in his face and destroyed all targets."
Well we are german so it was "Er hatte den Zeitrekord im Gesicht und zerst?te alle Ziele."
I always remember this sentence and I have to laugh when I do.
Prof. Dr. Dr. Mad S. Tist 
