Fly into the green zone to progress to the next level. Don't touch the walls or you will be respawned at the start of each level.
download source codeOn OS X (Mac) or Linux, run the following:
PLAY="$(curl https://fireflyzero.com/play.sh)"
bash -c "$PLAY" -- oli.mania
On Windows, install firefly_cli and then run:
firefly_cli import oli.mania
firefly_cli emulator --id oli.mania