| Mammals by Picture #3 | 0 | - | 4.41 | 55,389 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 39,478 |
| Mammals by Picture #1 | 0 | - | 4.76 | 82,088 |
| Birds by Picture #1 | 0 | - | 4.45 | 34,235 |
| Animals by Close-up Image | 0 | - | 4.40 | 203,520 |
| Animals A-Z by Picture | 0 | - | 4.14 | 59,233 |
| Extinct Animals by Picture | 0 | - | 4.47 | 30,718 |
| Mammals by Picture #2 | 0 | - | 4.30 | 52,619 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 114,391 |
| Fish by Picture #1 | 0 | - | 4.39 | 102,126 |
| Animals by Skeleton Image | 0 | - | 4.79 | 38,350 |
| Mammals by Picture #4 | 0 | - | 4.03 | 30,585 |
| Sea Creatures by Picture | 0 | - | 4.26 | 16,087 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,826 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,138 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 78,549 |
| Birds by Picture #2 | 0 | - | 4.29 | 30,343 |
| Fish by Picture #2 | 0 | - | 4.06 | 16,245 |
| Birds by Picture #3 | 0 | - | 4.17 | 28,175 |
| Countries with the Most Sheep | 0 | - | 4.89 | 82,408 |
| Countries with the Most Wolves | 0 | - | 4.88 | 78,600 |
| Countries that Catch the Most Fish | 0 | - | 4.89 | 101,195 |
| Countries With The Most Bird Species | 0 | - | 4.86 | 19,443 |
| Countries With Two or More Bear Species | 0 | - | 4.89 | 18,697 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,457 |
| Australian Animals By Picture | 0 | - | 4.44 | 29,166 |
| Top 15 Countries with the Most Cows | 0 | - | 4.65 | 89,304 |
| Countries with the Most Wild Elephants | 0 | - | 4.57 | 50,776 |
| Animal Populations of Countries | 0 | - | 4.50 | 40,082 |
| Name that Bug | 0 | - | 4.11 | 43,990 |
| Former Countries by Territory Map | 0 | - | 4.97 | 85,579 |
| Empires by Maps | 0 | - | 4.98 | 94,100 |
| Animals of Australia | 0 | - | 4.51 | 39,822 |
| Countries with More Cows than People | 0 | - | 4.41 | 47,615 |
| North American Bird-Named Teams | 0 | - | 4.41 | 65,087 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,233 |
| Dog Breed Picture Quiz | 0 | - | 4.32 | 195,724 |
| Where Do Musk Oxen Live? | 0 | - | 4.64 | 14,564 |
| "Big Five" African Game Animals | 0 | - | 4.20 | 45,569 |
| Countries with Wild Lions | 0 | - | 4.72 | 21,047 |
| Top 10 Countries with the Most Horses | 0 | - | 4.51 | 64,346 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,949 |
| Reptile Picture Quiz | 0 | - | 4.27 | 13,097 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,716 |
| All Country Flags of the World | 0 | - | 5.00 | 2,959,461 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,362,804 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,000,885 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 670,711 |
| Top Countries for Shark Attacks | 0 | - | 4.49 | 43,716 |
| Flags with Crescents | 0 | - | 4.98 | 143,137 |
| Country Flag Trivia | 0 | - | 4.87 | 43,768 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 75,863 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 56,041 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 67,632 |
| Flag Maths | 0 | - | 4.92 | 49,821 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.84 | 41,779 |
| National Soccer Team Logos | 0 | - | 4.83 | 155,011 |
| National Animals | 0 | - | 4.28 | 83,454 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 11,632 |
| Famous Foreheads #1 | 0 | - | 4.49 | 66,288 |
| Flags to Languages | 0 | - | 4.95 | 158,309 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 62,998 |
| Fruits by Picture | 0 | - | 4.19 | 733,056 |
| Old Movies by Picture | 0 | - | 4.50 | 21,573 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 42,788 |
| Years in History by Picture | 0 | - | 4.43 | 29,972 |
| Classic Movies by Movie Posters | 0 | - | 4.43 | 21,369 |
| Geography by Picture - H | 0 | - | 4.52 | 55,094 |
| Geography by Picture - N | 0 | - | 4.46 | 39,501 |
| Geography by Picture - R | 0 | - | 4.55 | 38,540 |
| Geography by Picture - T | 0 | - | 4.63 | 54,659 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,222 |
| Name the Pixelated Landmark | 0 | - | 4.83 | 54,917 |
| Car Logos Quiz #1 | 0 | - | 4.42 | 450,615 |
| Random Logos Quiz | 0 | - | 4.35 | 189,315 |
| All North American Pro Sports Logos | 0 | - | 4.74 | 94,382 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,111,886 |
| Pictures by Letter - J | 0 | - | 4.27 | 35,993 |
| Pictures by Letter - B | 0 | - | 4.33 | 39,296 |
| Pictures by Letter - D | 0 | - | 4.16 | 33,717 |
| Pictures by Letter - M | 0 | - | 4.23 | 34,184 |
| History by Picture - N | 0 | - | 4.41 | 36,404 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 7,663 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,248 |
| African Great Lakes | 0 | - | 4.84 | 53,047 |
| England or Wales? | 0 | - | 4.93 | 40,209 |
| Australia... or New Zealand? | 0 | - | 4.83 | 54,428 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,525 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.21 | 53,166 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.20 | 46,550 |
| Elements by Picture | 0 | - | 4.29 | 63,448 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.46 | 27,079 |
| Islands by Picture | 0 | - | 4.30 | 91,604 |
| Name that Object #1 | 0 | - | 3.56 | 94,917 |
| WWII Figures by Picture | 0 | - | 4.88 | 40,234 |
| 1940s Celebrities by Picture | 0 | - | 4.46 | 44,183 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 293,982 |
| Name that Historical Figure #2 | 0 | - | 4.44 | 247,546 |
| Geography by Picture - A | 0 | - | 4.35 | 56,775 |
| Geography by Picture - B | 0 | - | 4.36 | 52,323 |
| Geography by Picture - D | 0 | - | 4.10 | 43,112 |
| Geography by Picture - F | 0 | - | 4.25 | 48,214 |
| Geography by Picture - G | 0 | - | 4.39 | 45,272 |
| Geography by Picture - J | 0 | - | 4.14 | 36,303 |
| Geography by Picture - C | 0 | - | 4.28 | 54,134 |
| Geography by Picture - L | 0 | - | 4.34 | 55,721 |
| Geography by Picture - M | 0 | - | 4.11 | 38,315 |
| Geography by Picture - P | 0 | - | 4.28 | 40,069 |
| Geography by Picture - S | 0 | - | 4.35 | 44,475 |
| Random Flags Quiz | 0 | - | 4.41 | 255,608 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 150,529 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,574 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,527 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,291 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,664 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,542 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,940 |
| Soccer Team Logos | 0 | - | 4.22 | 326,923 |
| Ultimate Car Logos Quiz | 0 | - | 4.56 | 122,902 |
| Video Game Logos Quiz | 0 | - | 4.37 | 150,550 |
| Movie Logos | 0 | - | 4.28 | 197,624 |
| Brand Logos That Start With M | 0 | - | 4.41 | 48,140 |
| Brand Logos That Start With B | 0 | - | 4.47 | 47,929 |
| Brand Logos That Start with A | 0 | - | 4.52 | 55,791 |
| History by Picture - A | 0 | - | 4.22 | 40,414 |
| History by Picture - B | 0 | - | 4.35 | 43,100 |
| History by Picture - C | 0 | - | 4.35 | 48,197 |
| History by Picture - F | 0 | - | 4.33 | 33,138 |
| History by Picture - G | 0 | - | 4.39 | 37,363 |
| History by Picture - D | 0 | - | 4.32 | 39,046 |
| History by Picture - E | 0 | - | 4.28 | 38,897 |
| History by Picture - H | 0 | - | 4.38 | 32,289 |
| History by Picture - K | 0 | - | 4.41 | 29,423 |
| History by Picture - M | 0 | - | 4.23 | 32,179 |
| History by Picture - O | 0 | - | 4.37 | 32,044 |
| Name that Nut, Seed, or Bean | 0 | - | 4.64 | 50,151 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 137,758 |
| Animal Adjectives | 0 | - | 4.77 | 56,629 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 56,655 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,986 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,281 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 45,318 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,102 |
| South China Sea Countries | 0 | - | 4.81 | 53,777 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 75,876 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,122 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,306 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 89,339 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 96,717 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 86,247 |
| Musical Instruments by Picture #1 | 0 | - | 4.48 | 255,098 |
| Foods by Picture | 0 | - | 3.79 | 216,285 |
| Shapes and Symbols #2 | 0 | - | 4.03 | 55,598 |
| Flowers by Picture | 0 | - | 4.46 | 101,301 |
| Junk Foods by Picture | 0 | - | 3.71 | 89,536 |
| Christmas by Picture | 0 | - | 4.28 | 26,151 |
| Name that Object #2 | 0 | - | 3.63 | 14,313 |
| Hats by Picture | 0 | - | 4.20 | 17,101 |
| Weapons by Picture | 0 | - | 4.06 | 19,103 |
| Cars by Picture | 0 | - | 3.91 | 36,223 |
| Authors by Picture | 0 | - | 4.46 | 23,673 |
| Plants by Picture | 0 | - | 4.17 | 13,185 |
| Name that Object #3 | 0 | - | 3.98 | 13,221 |
| College Sports Logos Quiz #3 | 0 | - | 4.33 | 46,538 |
| Planets By Picture Quiz | 0 | - | 4.55 | 48,465 |
| Songs by Picture Quiz #1 | 0 | - | 4.75 | 56,974 |
| Songs by Picture Quiz #2 | 0 | - | 4.43 | 51,396 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.25 | 64,677 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.25 | 46,919 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.22 | 47,535 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.15 | 65,047 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.04 | 56,424 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.12 | 72,957 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.11 | 65,190 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.13 | 84,590 |
| Women in History by Picture | 0 | - | 4.36 | 23,486 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.28 | 42,797 |
| International Footballers by Picture | 0 | - | 4.39 | 44,514 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 213,922 |
| Name that Historical Figure #4 | 0 | - | 4.28 | 139,811 |
| Name that Historical Figure #5 | 0 | - | 4.40 | 90,856 |
| Name that Historical Figure #6 | 0 | - | 4.21 | 78,781 |
| Musicians by Picture #1 | 0 | - | 4.36 | 86,068 |
| Musicians by Picture #2 | 0 | - | 4.26 | 60,008 |
| Musicians by Picture #4 | 0 | - | 4.10 | 52,753 |
| Musicians by Picture #3 | 0 | - | 4.15 | 49,686 |
| Geography by Picture - E | 0 | - | 3.53 | 45,479 |
| Landforms by Picture | 0 | - | 4.39 | 18,955 |
| Geography by Picture - I | 0 | - | 3.98 | 37,542 |
| Geography by Picture - K | 0 | - | 4.29 | 31,054 |
| Emoji Flags | 0 | - | 4.34 | 40,559 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,225 |
| Satellite Images - Island Chains | 0 | - | 4.42 | 57,329 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 62,096 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 25,916 |
| Landmarks Picture Quiz #1 | 0 | - | 4.20 | 360,167 |
| Airline Logos | 0 | - | 4.43 | 127,375 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,493,668 |
| Brand Logos Quiz #5 | 0 | - | 4.42 | 929,524 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 886,696 |
