| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,645 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,288 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,085 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,809 |
| Mammals by Picture #1 | 0 | - | 4.70 | 90,893 |
| Fish by Picture #1 | 0 | - | 4.41 | 107,932 |
| Birds by Picture #1 | 0 | - | 4.46 | 40,932 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,741 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,625 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,806 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,829 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,729 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,809 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,554 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,375 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,099 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,231 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,345 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,040 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 30,175 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,787 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,286 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,408 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,710 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,535 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,517 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,724 |
| Name that Bug | 0 | - | 4.12 | 45,409 |
| Former Countries by Territory Map | 0 | - | 4.95 | 100,957 |
| Empires by Maps | 0 | - | 4.98 | 117,644 |
| Merged Company Logos #1 | 0 | - | 4.91 | 104,986 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,398 |
| Animals of Australia | 0 | - | 4.52 | 42,084 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,508 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,560 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,480 |
| All Country Flags of the World | 0 | - | 5.00 | 3,582,073 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,148 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,865 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,235 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,812 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,194 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,290 |
| Play-Doh People from History | 0 | - | 4.99 | 93,467 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.88 | 60,053 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,058 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,814 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,522,160 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,085,484 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 728,299 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,562 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,570 |
| Flags with Crescents | 0 | - | 4.98 | 166,881 |
| Country Flag Trivia | 0 | - | 4.81 | 55,538 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 101,890 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,155 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,441 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,160 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.83 | 84,088 |
| Flag Maths | 0 | - | 4.78 | 57,638 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,681 |
| Real vs. Fake Flags | 0 | - | 4.98 | 121,971 |
| National Football Team Logos | 0 | - | 4.84 | 177,963 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,530 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,666 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,629 |
| Years in History by Picture | 0 | - | 4.44 | 34,936 |
| Famous Foreheads #1 | 0 | - | 4.47 | 73,971 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,481 |
| National Animals | 0 | - | 4.24 | 89,051 |
| Flags to Languages | 0 | - | 4.95 | 172,111 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,076 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,107 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,077 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 82,998 |
| Fruits by Picture | 0 | - | 4.20 | 803,816 |
| Old Movies by Picture | 0 | - | 4.51 | 24,670 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,573 |
| Name that Object #1 | 0 | - | 3.56 | 96,189 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 334,239 |
| Geography by Picture - B | 0 | - | 4.42 | 55,336 |
| Geography by Picture - H | 0 | - | 4.49 | 57,976 |
| Geography by Picture - N | 0 | - | 4.45 | 42,004 |
| Geography by Picture - R | 0 | - | 4.55 | 40,846 |
| Geography by Picture - T | 0 | - | 4.54 | 57,618 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,242 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 529,749 |
| Random Logos Quiz | 0 | - | 4.32 | 206,561 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 112,604 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,022 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,631 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,476 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,185 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,433 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,245 |
| Animals in World History | 0 | - | 4.74 | 44,141 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,210 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,120 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,480 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,291 |
| Elements by Picture | 0 | - | 4.27 | 69,408 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,103 |
| Islands by Picture | 0 | - | 4.29 | 105,518 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 23,927 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,010 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,695 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,657 |
| International Footballers by Picture | 0 | - | 4.49 | 54,285 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 281,633 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,233 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,115 |
| Geography by Picture - A | 0 | - | 4.39 | 59,979 |
| Geography by Picture - D | 0 | - | 4.15 | 45,442 |
| Geography by Picture - F | 0 | - | 4.31 | 50,777 |
| Geography by Picture - G | 0 | - | 4.38 | 47,749 |
| Geography by Picture - J | 0 | - | 4.16 | 38,294 |
| Geography by Picture - K | 0 | - | 4.28 | 32,974 |
| Geography by Picture - C | 0 | - | 4.31 | 56,856 |
| Geography by Picture - L | 0 | - | 4.37 | 58,692 |
| Geography by Picture - M | 0 | - | 4.14 | 40,307 |
| Geography by Picture - P | 0 | - | 4.24 | 42,265 |
| Geography by Picture - S | 0 | - | 4.38 | 46,866 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 277,703 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,079 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,888 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,896 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,558 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.35 | 19,525 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,564 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,730 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,142 |
| Soccer Team Logos | 0 | - | 4.27 | 369,409 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,394,951 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 174,757 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,357 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,172 |
| Movie Logos | 0 | - | 4.33 | 234,952 |
| Brand Logos That Start With M | 0 | - | 4.43 | 61,433 |
| Brand Logos That Start with A | 0 | - | 4.51 | 68,907 |
| History by Picture - A | 0 | - | 4.25 | 45,331 |
| History by Picture - B | 0 | - | 4.40 | 48,437 |
| History by Picture - C | 0 | - | 4.36 | 53,940 |
| History by Picture - F | 0 | - | 4.35 | 37,463 |
| History by Picture - G | 0 | - | 4.40 | 41,707 |
| History by Picture - D | 0 | - | 4.32 | 43,874 |
| History by Picture - E | 0 | - | 4.27 | 43,517 |
| History by Picture - H | 0 | - | 4.37 | 36,421 |
| History by Picture - K | 0 | - | 4.35 | 33,002 |
| History by Picture - M | 0 | - | 4.17 | 35,824 |
| History by Picture - N | 0 | - | 4.40 | 40,882 |
| History by Picture - O | 0 | - | 4.39 | 35,930 |
| History by Picture - T | 0 | - | 4.20 | 32,994 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,703 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,369 |
| Animal Adjectives | 0 | - | 4.77 | 59,749 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,454 |
| African Great Lakes | 0 | - | 4.82 | 64,809 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,217 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,232 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,600 |
| Flowers by Picture | 0 | - | 4.46 | 104,932 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,422 |
| Name that Object #2 | 0 | - | 3.64 | 15,246 |
| Authors by Picture | 0 | - | 4.48 | 25,356 |
| Name that Object #3 | 0 | - | 3.93 | 14,243 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,172 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,209 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,755 |
| Planets By Picture Quiz | 0 | - | 4.48 | 55,908 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,125 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,221 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,257 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,849 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 50,982 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,811 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,056 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,785 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,704 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,294 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,818 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 237,085 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,616 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,096 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,543 |
| Musicians by Picture #2 | 0 | - | 4.29 | 74,900 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,724 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,096 |
| Emoji Flags | 0 | - | 4.35 | 43,723 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,372 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,339 |
| Languages by Combined Flags | 0 | - | 4.53 | 98,846 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,179 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,590 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 69,934 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,626 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,503 |
| Airline Logos | 0 | - | 4.45 | 139,699 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,446 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,344 |
| Brand Logos That Start With S | 0 | - | 4.36 | 56,404 |
