Your game was super engaging! Really loved the art and the sound effects! I'm not sure I understood the green flash on the enemies but it was a lot of fun anyway!
Viewing post in UFO GO! jam comments
Thanks so much for playing and offering feedback!! Regarding your question, this excerpt from the tutorial is what you’re looking for:
“You can also siphon small amounts of fuel from hazards by flying close to them without getting hit.”
The green flash indicates that you gained some fuel by grazing an enemy!