I’ve poured a ton of hours into this game, yet so far I’ve only been able to beat the saboteur and experiment on advanced with one character: ISIC. ISIC is basically made for point defense missions, with his turret mode that can stay active forever.
Everyone else in these levels is at a major disadvantage. With “the experiment”, I only won on a team that had two ISICs.
It really seems like these levels are excessively hard on advanced, and impossible to beat unless you have a few specifically good characters for defending stationary targets. I actually beat Heliophage on advanced before I beat these two.
On top of that, the excessive point defense missions in the sabotuer really feel dumb. It’s called “The Saboteur”! It’s not called “The Protector”. The mission should be all about blowing stuff up, not protecting things.