Gas Attack!

Description: Óïðàâëÿéòå ñóìàñøåäøèì êîñìè÷åñêèì êîðàáëåì òàê, ÷òîáû îí îáëåòàë çåëåíûå îáëàêà êîñìè÷åñêîãî ãàçà.
Instructions: