| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,766 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,488 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,186 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,881 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,035 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,035 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,050 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,843 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,726 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,868 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,807 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,903 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,801 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,924 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,579 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,544 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,266 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,368 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,379 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,210 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,338 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,228 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,964 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,418 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,459 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,732 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,592 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,581 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,759 |
| Name that Bug | 0 | - | 4.12 | 45,434 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,325 |
| Empires by Maps | 0 | - | 4.98 | 118,179 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,297 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,428 |
| Animals of Australia | 0 | - | 4.52 | 42,137 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,590 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,600 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,502 |
| All Country Flags of the World | 0 | - | 5.00 | 3,594,810 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,188 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,940 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,249 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,949 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,217 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,591 |
| Play-Doh People from History | 0 | - | 4.99 | 93,704 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,224 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,666 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,440 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,953 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,739 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,673 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,149 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,637 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,714 |
| Flags with Crescents | 0 | - | 4.98 | 167,305 |
| Country Flag Trivia | 0 | - | 4.81 | 55,793 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,254 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,346 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,746 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,356 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,282 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,942 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,354 |
| National Football Team Logos | 0 | - | 4.84 | 178,423 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,580 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,660 |
| Years in History by Picture | 0 | - | 4.44 | 35,052 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,127 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,651 |
| National Animals | 0 | - | 4.24 | 89,116 |
| Flags to Languages | 0 | - | 4.95 | 172,346 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,186 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,137 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,159 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,170 |
| Fruits by Picture | 0 | - | 4.20 | 804,328 |
| Old Movies by Picture | 0 | - | 4.51 | 24,756 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,625 |
| Name that Object #1 | 0 | - | 3.56 | 96,271 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,241 |
| Geography by Picture - B | 0 | - | 4.42 | 55,385 |
| Geography by Picture - H | 0 | - | 4.49 | 58,019 |
| Geography by Picture - N | 0 | - | 4.45 | 42,032 |
| Geography by Picture - R | 0 | - | 4.55 | 40,866 |
| Geography by Picture - T | 0 | - | 4.54 | 57,649 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,359 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,140 |
| Random Logos Quiz | 0 | - | 4.32 | 206,867 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 112,990 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,088 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,685 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,569 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,271 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,494 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,251 |
| Animals in World History | 0 | - | 4.74 | 44,191 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,257 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,582 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,371 |
| Elements by Picture | 0 | - | 4.27 | 69,490 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,140 |
| Islands by Picture | 0 | - | 4.29 | 105,766 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,004 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,340 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,792 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,733 |
| International Footballers by Picture | 0 | - | 4.50 | 54,589 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,336 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,491 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,236 |
| Geography by Picture - A | 0 | - | 4.39 | 60,022 |
| Geography by Picture - D | 0 | - | 4.15 | 45,468 |
| Geography by Picture - F | 0 | - | 4.31 | 50,807 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,315 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,891 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,328 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,894 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,098 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,327 |
| Flag Maths | 0 | - | 4.78 | 57,664 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,959 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,954 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,616 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,559 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,617 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,776 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,284 |
| Soccer Team Logos | 0 | - | 4.26 | 370,252 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,108 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,689 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,901 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,474 |
| Movie Logos | 0 | - | 4.33 | 235,514 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,648 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,091 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,136 |
| History by Picture - A | 0 | - | 4.25 | 45,418 |
| History by Picture - B | 0 | - | 4.40 | 48,533 |
| History by Picture - C | 0 | - | 4.36 | 54,033 |
| History by Picture - F | 0 | - | 4.35 | 37,544 |
| History by Picture - G | 0 | - | 4.40 | 41,800 |
| History by Picture - D | 0 | - | 4.32 | 43,963 |
| History by Picture - E | 0 | - | 4.27 | 43,585 |
| History by Picture - H | 0 | - | 4.37 | 36,494 |
| History by Picture - K | 0 | - | 4.35 | 33,071 |
| History by Picture - M | 0 | - | 4.17 | 35,877 |
| History by Picture - N | 0 | - | 4.40 | 40,959 |
| History by Picture - O | 0 | - | 4.39 | 35,993 |
| History by Picture - T | 0 | - | 4.20 | 33,055 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,783 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,538 |
| Animal Adjectives | 0 | - | 4.77 | 59,806 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,491 |
| African Great Lakes | 0 | - | 4.82 | 65,046 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,395 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,557 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,783 |
| Flowers by Picture | 0 | - | 4.46 | 104,983 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,510 |
| Name that Object #2 | 0 | - | 3.64 | 15,304 |
| Authors by Picture | 0 | - | 4.48 | 25,383 |
| Name that Object #3 | 0 | - | 3.93 | 14,289 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,352 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,416 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,970 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,099 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,271 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,343 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,353 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,968 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,075 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,894 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,184 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,931 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,874 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,491 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,895 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,466 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,889 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,317 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,912 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,153 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,930 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,250 |
| Emoji Flags | 0 | - | 4.35 | 43,789 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,676 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,424 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,036 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,214 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,685 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,027 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,655 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,802 |
