Update: please check VLOG #2 for details.
Some highlights:
Added music: BIG thanks to ZeroByte for his tremendous work of recreating original tune!
Added HUD: all things needed are visualized.
Extra HUD: the gathered balloons are visualized
Added animation: a police car hit by an oil can
Added animation: score for eliminating a police car
Added a new NPC: The cat with a flag ?
Implemented almost the whole score mechanics.