ONO: Brain Fog

Start a chain reaction that will clear all the O's from the screen. O-NO (no O's).
A simple but challenging cause and effect puzzle game that works your brain:
- predictive modeling
- pattern recognition
- working memory
- clarity / focus / attention

24 levels from very easy to very hard. Master each level by solving 6 puzzles - you are allowed three tries in each of the first three, two tries in the next two and, finally, you must solve one puzzle in a single try. The level is then open for free play with three tries forever. You have an opportunity to watch a :30 ad to get 2X points to help you run up your score. Larger levels have 1000's of puzzle variations.