The game hasn't been difficult so far without save points (even the time-bonus mechanic is fairly lenient), but I'm only just starting mission 4 (counting gears needed for unlocks, I presume there will be around 30 individual maps, 2-3 per mission). The winning feature here is the level design (and to a lesser extent, your distinctive abilities). I'm really starting to appreciate the placement of everything, from steam pick-ups to golden boxes. A lot of effort has been put into these maps, especially when you compare it to the lackluster Awakening. Like I said, you really need Lion to get the most of it; since he also has some of the best stats, I don't see myself ever voluntarily dropping him from my team.
On the most recent map, I was able to get all the coin stacks/gold boxes, the three gears, and wipe the floor with the enemy within the time limit (albeit with 2-3 test runs, which can more time consuming than most games). Was pretty satisfying, but what I particularly liked was a sudden moment of ingenuity, where I used Henry to kick John just far enough so he could blown up the last gold box, so that Lion could pick up the coins before killing the boss. Otherwise, I'd have to wait a whole turn and take some damage, maybe missing the speed bonus.
Anyway, I'm mildly excited that this game will continue to introduce new stuff and get harder. I could see it being better than Valkyria Chronicles if it plays its cards right.
I still don't quite understand why an enemy can run up a certain distance (let's say close enough where my cursor appears when controlling) and shoot me, without overwatch kicking in. I feel like I'm missing something obvious about that mechanic, and it's a fairly important mechanic.
EDIT: I need to do the multiplayer... Can amiibo be used for it?
EDIT: Another thing, how exactly does the Rocket Pack boiler work? I'm not sure if it is passive or not (don't notice a difference).