| Pictures by Letter - A | 0 | - | 4.17 | 33,242 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,844 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,733 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,419 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,638 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,080 |
| Empires by Maps | 0 | - | 4.98 | 119,227 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,360 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,013 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,421 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,901 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,360 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,179 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,660 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,005 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,267 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,393 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,937 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,688 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,563 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,094 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,338 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,230 |
| All Country Flags of the World | 0 | - | 5.00 | 3,625,889 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,364 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,082 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,585 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,341 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,851 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,052 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,896 |
| Years in History by Picture | 0 | - | 4.44 | 35,283 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,484 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,649 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,465 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,119 |
| Name that Object #1 | 0 | - | 3.56 | 96,355 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,097 |
| Flags with Crescents | 0 | - | 4.98 | 168,295 |
| Country Flag Trivia | 0 | - | 4.81 | 56,297 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,880 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,821 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,425 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,764 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,657 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,332 |
| National Football Team Logos | 0 | - | 4.85 | 179,425 |
| Old Movies by Picture | 0 | - | 4.51 | 24,941 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,812 |
| Random Logos Quiz | 0 | - | 4.31 | 207,575 |
| Fruits by Picture | 0 | - | 4.20 | 805,721 |
| Geography by Picture - B | 0 | - | 4.42 | 55,493 |
| Geography by Picture - H | 0 | - | 4.50 | 58,106 |
| Geography by Picture - N | 0 | - | 4.45 | 42,104 |
| Geography by Picture - R | 0 | - | 4.56 | 40,929 |
| Geography by Picture - T | 0 | - | 4.54 | 57,743 |
| Flags to Languages | 0 | - | 4.95 | 172,938 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,048 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,570 |
| Name that Object #2 | 0 | - | 3.64 | 15,358 |
| Name that Object #3 | 0 | - | 3.93 | 14,329 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,066 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,395 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,683 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,075 |
| Name that Bug | 0 | - | 4.12 | 45,494 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,241 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,747 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,514 |
| Elements by Picture | 0 | - | 4.28 | 69,716 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,228 |
| Islands by Picture | 0 | - | 4.29 | 106,326 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,151 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,161 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,280 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,417 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,045 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,405 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,865 |
| International Footballers by Picture | 0 | - | 4.50 | 55,098 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,524 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,087 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,544 |
| Geography by Picture - A | 0 | - | 4.39 | 60,122 |
| Geography by Picture - D | 0 | - | 4.15 | 45,552 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,858 |
| Geography by Picture - J | 0 | - | 4.16 | 38,377 |
| Geography by Picture - K | 0 | - | 4.29 | 33,051 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,841 |
| Geography by Picture - M | 0 | - | 4.14 | 40,378 |
| Geography by Picture - P | 0 | - | 4.24 | 42,348 |
| Geography by Picture - S | 0 | - | 4.38 | 46,962 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,213 |
| Flag Maths | 0 | - | 4.63 | 57,700 |
| Satellite Images #1 | 0 | - | 4.46 | 129,163 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,116 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,765 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,756 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,878 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,607 |
| Soccer Team Logos | 0 | - | 4.26 | 372,367 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,860 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,418 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,203 |
| Movie Logos | 0 | - | 4.33 | 236,915 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,173 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,710 |
| History by Picture - A | 0 | - | 4.25 | 45,625 |
| History by Picture - B | 0 | - | 4.40 | 48,759 |
| History by Picture - C | 0 | - | 4.36 | 54,274 |
| History by Picture - F | 0 | - | 4.35 | 37,739 |
| History by Picture - G | 0 | - | 4.40 | 41,999 |
| History by Picture - D | 0 | - | 4.29 | 44,156 |
| History by Picture - E | 0 | - | 4.27 | 43,779 |
| History by Picture - H | 0 | - | 4.37 | 36,672 |
| History by Picture - K | 0 | - | 4.35 | 33,228 |
| History by Picture - M | 0 | - | 4.17 | 36,024 |
| History by Picture - N | 0 | - | 4.40 | 41,117 |
| History by Picture - O | 0 | - | 4.39 | 36,177 |
| History by Picture - T | 0 | - | 4.20 | 33,201 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,013 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,162 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,919 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,410,351 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,713 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,954 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,346 |
| Foods by Picture | 0 | - | 3.81 | 225,730 |
| Flowers by Picture | 0 | - | 4.46 | 105,116 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,156 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,617 |
| Christmas by Picture | 0 | - | 4.25 | 28,125 |
| Hats by Picture | 0 | - | 4.21 | 17,923 |
| Weapons by Picture | 0 | - | 4.13 | 20,962 |
| Cars by Picture | 0 | - | 3.89 | 41,245 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,256 |
| Authors by Picture | 0 | - | 4.48 | 25,455 |
| Plants by Picture | 0 | - | 4.24 | 14,383 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,799 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,106 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,391 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,437 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,608 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,619 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,277 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,138 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,914 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,015 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,343 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,035 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,794 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,174 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,245 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,018 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,433 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,159 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,112 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,860 |
| Women in History by Picture | 0 | - | 4.25 | 25,819 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,009 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,702 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,533 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,535 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,847 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,789 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,743 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,379 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,584 |
| Geography by Picture - E | 0 | - | 3.55 | 47,313 |
| Landforms by Picture | 0 | - | 4.31 | 20,610 |
| Geography by Picture - I | 0 | - | 4.00 | 39,348 |
| Emoji Flags | 0 | - | 4.35 | 43,909 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,489 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,305 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,008 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,358 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,718 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,612 |
| Airline Logos | 0 | - | 4.45 | 140,235 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,511 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,321 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,095 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,560 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,064 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,597 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,278 |
| History by Picture - I | 0 | - | 4.26 | 26,116 |
| History by Picture - J | 0 | - | 4.18 | 26,632 |
| History by Picture - L | 0 | - | 4.18 | 30,661 |
| History by Picture - P | 0 | - | 4.08 | 25,207 |
| History by Picture - Q | 0 | - | 4.03 | 21,995 |
| History by Picture - R | 0 | - | 4.13 | 26,743 |
| History by Picture - S | 0 | - | 4.14 | 27,689 |
| History by Picture - U | 0 | - | 4.24 | 25,018 |
| History by Picture - V | 0 | - | 4.30 | 24,995 |
| History by Picture - W | 0 | - | 4.01 | 21,555 |
| Vegetables by Picture | 0 | - | 4.39 | 63,075 |
