Here is the full list of all 150 Chocolate makes you happy 6 achievements.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Level 12
Level 13
Level 14
Level 15
Level 16
Level 17
Level 18
Level 19
Level 20
Level 21
Level 22
Level 23
Level 24
Level 25
Level 26
Level 27
Level 28
Level 29
Level 30
Level 31
Level 32
Level 33
Level 34
Level 35
Level 36
Level 37
Level 38
Level 39
Level 40
Level 41
Level 42
Level 43
Level 44
Level 45
Level 46
Level 47
Level 48
Level 49
Level 50
1a
1b
2a
2b
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9a
9b
0a
0b
0c
Cookie
A1
A2
A3
B1
B2
B3
C1
C2
C3
D1
D2
D3
E1
E2
E3
F1
F2
F3
G1
G2
G3
H1
H2
H3
I1
I2
I3
J1
J2
J3
K1
K2
K3
L1
L2
L3
M1
M2
M3
N1
N2
N3
O1
O2
O3
P1
P2
P3
Q1
Q2
Q3
R1
R2
R3
S1
S2
S3
T1
T2
T3
U1
U2
U3
V1
V2
V3
W1
W2
W3
X1
X2
X3
Y1
Y2
Y3
Z1
Z2
Z3