Thanks for your feedback.

- We didn't realise that mongo had such a negative connotation Portuguese - in british english it doesn't. We'll probably stick with it for the time being but change it if we offend people.

- Yes, we really want to add in a way to select different subreddits. Not too sure about letting people sign in though but definitely a good idea.

- We might go for non-obtrusive game mechanics, so the progress bar + points + leaderboard + tweet progress. It just didn't make it into this release.

- Preloading images is a good idea that we didn't think about.