Remake of old good Flappy Bird by .GEARS
0 level 1 left-to-right flight, 10+ autopilot 1 level 2 moving blocks 2 level 3 anti-gravity 3 level 4 4 level 5 missiles 5 level 6 6 level 7 anti-gravity 7 level 8 8 level 9 solid walls 9 level 10 10 level 11 anti-gravity 11 level 12 12 level 13 13 level 14 14 level 15 anti-gravity 15 level 16 16 level 17 solid walls 17 level 18 18 level 19 anti-gravity 19 level 20 20 level 20 right-to-left direction from this point 21 level 19 22 level 18 anti-gravity 23 level 17 24 level 16 solid walls 25 level 15 26 level 14 anti-gravity 27 level 13 28 level 12 29 level 11 30 level 10 anti-gravity 31 level 9 32 level 8 solid walls 33 level 7 34 level 6 anti-gravity 35 level 5 36 level 4 37 level 3 38 level 2 anti-gravity 39 level 1 loop