In level 1 when the turrets appear suddenly in that square I can't move at all. Is that supposed to happen? I'm at 100 armor and they kill me before I kill all of them since I can't dodge or anything.
Yeah, managed to beat it without losing any life, but not taking any damage at all would be very hard indeed.
Btw, in my opinion the mouse works much better than the keyboard.
Ending C is dying via mines.
You save the baby by keeping the shark away. The helicopter will automatically retrieve the baby. If you lift the baby above the water, the helicopter will just hover away.
Being able to jump at any level we want after we complete it once would be fun. For example I'd like to see what's that lv 23 people mention (but I wouldn't replay 1-22 just for this).