Overview
There aren’t all the solutions because I haven’t finished the game, but I’ll try to solve all the Picross! I’ll post a solution as soon as I finish a Picross!
Last level added
Level 192 (40×30, Parrot, Animals)
First page (1-15)
Level 6 (Umbrella, Accessories)
Level 14 (Tetrominoes, Video Games)
Second page (16-30)
Level 17 (Question mark, Symbols)
Level 21 (Alien, Science-Fiction)
Level 28 (Dump Truck, Vehicles)
Third page (31-45)
Level 37 (Bedside lamp, Lighting)
Level 40 (Garden boots, Clothes)
Level 42 (Paint roller, Tools)
Level 43 (Speech bubble, Cartoons)
Fourth page (46-60)
Level 46 (Green apple, Fruits)
Level 51 (Floppy disk, Computer)
Level 58 (Watermelon, Fruits) [updated in June 2018]
Fifth page (61-75)
Level 61 (Roll film, Photography)
Level 67 (Stairs, Constructions)
Level 69 (Microchip, Electronic)
Level 70 (Camp fire, Lighting)
Sixth page (76-90)
Level 77 (Space rocket, Vehicles)
Level 80 (Joystick, Video Games)
Level 86 (Extra life, Video Games)
Seventh page (91-105)
Level 91 (Cash register, Machines)
Level 95 (Compass, Navigation)
Level 103 (Coffee mill, Cooking)
Eighth page (106-120)
Level 106 (Bucket, Containers)
Level 107 (Soft-boiled egg, Food)
Level 108 (Footprints, Animals)
Level 109 (Feathered hat, Clothes)
Level 113 (Origami, Arts and crafts)
Level 115 (Monkey wrench, Tools)
Level 120 (Phone, Communication)
Ninth page (121-135)
Level 121 (25×15, Smile, Look)
Level 122 (25×15, Sunglasses, Accessories)
Level 123 (25×25, Safe, Money)
Level 124 (25×25, Escape key, Computer)
Level 125 (25×25, Classical guitar, Music)
Level 126 (20×25, G-Clef, Music) [new version]
Level 127 (20×25, Outrigger canoe, Vehicles) [new version]
Level 128 (25×15, Bike, Vehicles)
Level 130 (20×25, Zombie, Fantasy) [new version]
Level 131 (25×25, Sign of the Horns, Music)
Level 132 (25×25, Basket ball, Sport)
Level 133 (25×20, Mini lop, Animals)
Thanks to Wynja for reporting this change!
Level 134 (25×25, Spaceship, Science-fiction)
Thanks to Mizohican for reporting this change!
Level 135 (25×20, Chicken leg, Food)
Tenth page (136-150)
Level 136 (25×25, Facing sea, Sea)
Level 137 (25×25, Skull and crossbones, Symbols) [New version]
Thanks to Mizohican for reporting this change!
Level 138 (25×25, Owl, Animals)
Level 139 (20×25, Saxophone, Music)
Thanks to Kawaii Desu-chan for the solution!
Level 140 (25×25, Wizard hat, Fantasy)
Level 141 (25×25, Bathtub, Home)
Level 142 (25×25, Balloons, Toys)
Level 143 (25×25, Upright Piano, Music)
Level 144 (20×25, Doe, Animals)
Level 145 (25×25, Octopus, Animals)
Level 147 (25×25, Toaster, Cooking)
Level 148 (25×25, Monitor, Computer)
Level 149 (25×25, ?????? ????, Encryption)
Level 150 (25×25, Thanks!, Mystery)
Eleventh page (151-165)
Level 151 (30×30 Desert, Landscapes)
Level 152 (25×30, Balcony, Place)
Level 153 (30×20, Fishing, Activity)
Level 154 (30×30, Madness Manor, Buildings)
Level 155 (30×15, Green Car, Vehicles)
Level 156 (30×30, Maneki Neko, Lucky Charm)
Level 157 (20×30, Arcade Game Machine, Video Games)
Level 158 (30×25, Tiny Submarine, Vehicles)
Level 159 (30×30, Gift, Celebreation)
Level 160 (30×30, Taj Mahal, Landmarks)
Level 161 (30×30, Sea Plane, Vehicles)
Level 162 (30×30, Young Girl Smiling, Portraits)
Level 163 (30×30, Penrose Triangle, Optical Illusion)
Level 164 (30×30, Frog, Animals)
Level 165 (30×25, Armchair, Furniture)
Twelfth page (166-180)
Level 166 (30×25, Foetus, Beginnigs)
Level 167 (30×30, Palm Tree, Sea)
Level 168 (30×30, Rhythmic Gymnastic, Sport)
Level 169 (25×30, Police Box, City)
Level 170 (30×30, Torii, Buildings)
Level 171 (30×30, Skateboard, Sport)
Level 172 (30×30, Fossil, Animals)
Level 173 Spring version (30×30, Tree, Nature) [new version, updated in April 2021]
Information: This level has four versions (one for each season)
Thanks to notonion for the solution and this information!
Level 174 (30×30, Mech, Science Fiction)
Level 175 (30×30, Windmill, Buildings)
Level 176 (30×30, Toucan, Animals)
Level 177 (30×30, Ghoul, Fantasy)
Level 178 (30×30, Monstrous Eye, Fantasy)
Level 179 (30×30, Space Marine, Science Fiction)
Level 180 (30×30, Centurion Helmet, Armor Clothes)
Thirteenth page (181 – 195)
Level 181 (40×30, Grinning cat, Fantasy)
Tip: Wait on the rating screen until the wink to have the hidden success “Let’s smile!“
Level 182 (40×30, Audio Cassette, Music)
Level 183 (30×40, Galaxy Far Away, Space)
Level 184 (40×30, Cup of Tea, Drinks)
Level 185 (30×40, Adventurer, Portraits)
Level 186 (40×40, Viking Ship, Sea)
Level 187 (30×40, Victory, Celebration)
Level 188 (30×40, Easter Island Moai, Landmarks)
Level 189 (40×20, Futuristic Motorcycle, Vehicles)
Level 190 (25×40, Giraffe, Animals)
Level 191 (40×25, Mountain Road, Sceneries)
Level 192 (40×30, Parrot, Animals)
Mosaic #3 (Japanese Spring, 100 x 80)
The grids order is from left to right and top to bottom.
1st number = line number
2nd number = column number
1st grid (1×1):
2nd grid (1×2):
3rd grid (1×3):
4th grid (1×4):
5th grid (1×5):
6th grid (2×1):
7th grid (2×2):
8th grid (2×3):
9th grid (2×4):
10th grid (2×5):
11th grid (3×1):
12th grid (3×2):
13th grid (3×3):
14th grid (3×4):
15th grid (3×5):
16th grid (4×1):
17th grid (4×2):
18th grid (4×3):
19th grid (4×4):
20th grid (4×5):