I've had a long-standing rule to avoid getting involved in any sort of crowdfunded activities. I didn't donate to Shadowrun or Wasteland, but I did buy and enjoy both of them (I'm plugging both of those games right now, just so you know they're good). I haven't...
Overall light strokes are much more effective than heavy or the long ones.
You can hit mountains, but not ones with spikes.
Keep in mind that the balloon can handle about four minor hits before it explodes.