Keys for puzzles

Keys for puzzles, and simple descriptions.

Keys for puzzles

1.1
key: 2015(mirror reversed)

1.2
A=5，B=3，C=16
E=A+C=21
key: AEB=5213

2
key: 1middle 2down 3up 4up 5middle
(from the billboard painting five stickmen, covered by a newspaper)

3.1
time: 14:35(from a notebook in a house)

3.2
o x x x | x o o o
x x x x | x x x x
x x x o | x x o x
x x o o | x x x x

4.1
3×9-2-1=24(random numbers, Google it!)

4.2
key: 1cyan 2red 3blue 4yellow(from movie A)

4.3
key: 9000(from movie B)
->A4 B4 C2 D1(use insecticide to get the code, then match the chessboard)
->chesspieces

5
B：c2b4(monitor)
N：a1d3(billboard)
I：d2b1(Strawberryman)
T: b3c4(move the camera after you fix the wire)
key:
B->N
N->O
I->+
T->=

6
key 1red 2white 3green 4white 5white 6red(from the eggplantman's smoke circles)

7.1
A-5=C
6÷F=D
G+H=I
C*D=I
A9 B5 C4 D2 E6 F3 G1 H7 I8
key: A9 F3 C4 I8

7.2
key:(red germs under the microscope)
o x o
o o x
x x o

7.3
θ=5(five pieces on the paper)
*=4(four pieces on the paper)
V=*+θ/10=4.5
÷=△
△=rightdown(you can find a rightdown print in the same column of △)
+=leftdown
x=leftup
key:
4.5(V) rightdown(÷)
leftup(x) leftdown(+)

8
PASSWORD="LOVE"(greenscreen, one line with big scale)
L=1(stair)
O=9(mirror)
V=7(photo)
E=5(TV: green red green right)
key: LOVE=1975(same as the year printed on the spacecraft in other ending)

END
key: END

secret
key:1middle 2upup 3down 4up 5downdown
(remember TV hints, then watch the positions of planets outdoor)

[ErivRan]

@人毛 有个场景写着÷=△，在机器人吐出的表中找到△，然后在它所在位置的该列向下对应，得到指示图标，一个指向右下的四分之一圆。所以÷对应的按钮就这个。

[hatorishiro]

最后那个电表谜题没有搞明白为什么÷=△=rightdown

[Psymon]

Thank you for this guide :)