Great game, despite some small drawbacks
I've abandoned Inferno 1 at the time b/c it didn't save upgrades at all, so when I tried to continue my robot was too weak. Glad that's fixed! This one is a good sequel, the same fun playability with the addition of peeps, fan controls, sprinklers etc (Just please, spraying fan switches in order to disable them should be mentioned in the tutorial!)
And most basically, it's nice once in a while to fight fire rather than killing things! :)
One thing that does bother me is that usually I need to put out the fire quickly, which contradicts collecting more coins... I think this needs some better solution, otherwise good performance in putting out the fire actually costs me instead of gaining.