| Former Countries by Territory Map | 0 | - | 4.96 | 102,062 |
| Empires by Maps | 0 | - | 4.98 | 119,206 |
| Elements by Picture | 0 | - | 4.28 | 69,711 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,225 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,158 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,091 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,430 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,328 |
| Play-Doh People from History | 0 | - | 4.99 | 94,232 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,228 |
| All Country Flags of the World | 0 | - | 5.00 | 3,625,306 |
| Metals of Antiquity | 0 | - | 4.94 | 93,098 |
| Years in History by Picture | 0 | - | 4.44 | 35,281 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,478 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,550 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,424 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,099 |
| Name that Object #1 | 0 | - | 3.56 | 96,352 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,078 |
| Flags with Crescents | 0 | - | 4.98 | 168,272 |
| Country Flag Trivia | 0 | - | 4.81 | 56,289 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,870 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,813 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,409 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,759 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,651 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,325 |
| National Football Team Logos | 0 | - | 4.85 | 179,409 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,596 |
| Old Movies by Picture | 0 | - | 4.51 | 24,937 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,810 |
| Random Logos Quiz | 0 | - | 4.31 | 207,561 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,238 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,842 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,729 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,416 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,636 |
| Fruits by Picture | 0 | - | 4.20 | 805,683 |
| 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 | 42,101 |
| Geography by Picture - R | 0 | - | 4.56 | 40,927 |
| Geography by Picture - T | 0 | - | 4.54 | 57,741 |
| Flags to Languages | 0 | - | 4.95 | 172,928 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,019 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,194 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,382 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,835 |
| Countries with Glaciers | 0 | - | 4.97 | 104,824 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,566 |
| Name that Object #2 | 0 | - | 3.64 | 15,357 |
| Name that Object #3 | 0 | - | 3.93 | 14,329 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,063 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,366 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,674 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,004 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,358 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,009 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,417 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,899 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,359 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,175 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,658 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,002 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,263 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,390 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,934 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,687 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,560 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,763 |
| Name that Bug | 0 | - | 4.12 | 45,493 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,239 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,745 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,510 |
| Islands by Picture | 0 | - | 4.29 | 106,312 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,150 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,274 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,414 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,043 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,391 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,861 |
| International Footballers by Picture | 0 | - | 4.50 | 55,093 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,499 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,077 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,538 |
| Geography by Picture - A | 0 | - | 4.39 | 60,119 |
| 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 | 47,857 |
| 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 | 58,839 |
| Geography by Picture - M | 0 | - | 4.14 | 40,377 |
| Geography by Picture - P | 0 | - | 4.24 | 42,346 |
| Geography by Picture - S | 0 | - | 4.38 | 46,960 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,190 |
| Flag Maths | 0 | - | 4.63 | 57,700 |
| Satellite Images #1 | 0 | - | 4.46 | 129,157 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,115 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,763 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,755 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,876 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,601 |
| Soccer Team Logos | 0 | - | 4.26 | 372,333 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,826 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,392 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,194 |
| Movie Logos | 0 | - | 4.33 | 236,895 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,164 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,702 |
| History by Picture - A | 0 | - | 4.25 | 45,621 |
| History by Picture - B | 0 | - | 4.40 | 48,754 |
| History by Picture - C | 0 | - | 4.36 | 54,270 |
| History by Picture - F | 0 | - | 4.35 | 37,736 |
| History by Picture - G | 0 | - | 4.40 | 41,995 |
| History by Picture - D | 0 | - | 4.29 | 44,153 |
| History by Picture - E | 0 | - | 4.27 | 43,776 |
| History by Picture - H | 0 | - | 4.37 | 36,670 |
| History by Picture - K | 0 | - | 4.35 | 33,226 |
| History by Picture - M | 0 | - | 4.17 | 36,020 |
| History by Picture - N | 0 | - | 4.40 | 41,116 |
| History by Picture - O | 0 | - | 4.39 | 36,176 |
| History by Picture - T | 0 | - | 4.20 | 33,198 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,008 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,175 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,375 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,049 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,456 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,156 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,911 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,410,146 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,707 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,947 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,335 |
| Foods by Picture | 0 | - | 3.81 | 225,723 |
| Flowers by Picture | 0 | - | 4.46 | 105,112 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,154 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,614 |
| Christmas by Picture | 0 | - | 4.25 | 28,125 |
| Hats by Picture | 0 | - | 4.21 | 17,922 |
| Weapons by Picture | 0 | - | 4.13 | 20,962 |
| Cars by Picture | 0 | - | 3.89 | 41,241 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,254 |
| Authors by Picture | 0 | - | 4.48 | 25,453 |
| Plants by Picture | 0 | - | 4.24 | 14,382 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,790 |
| WWII Figures by Picture | 0 | - | 4.89 | 62,740 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,385 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,603 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,615 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,276 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,129 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,910 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,012 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,338 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,032 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,756 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,171 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,243 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,016 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,431 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,156 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,108 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,856 |
| Women in History by Picture | 0 | - | 4.25 | 25,817 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,006 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,700 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,511 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,521 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,833 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,775 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,727 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,368 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,575 |
| Geography by Picture - E | 0 | - | 3.55 | 47,313 |
| Landforms by Picture | 0 | - | 4.31 | 20,609 |
| Geography by Picture - I | 0 | - | 4.00 | 39,348 |
| Emoji Flags | 0 | - | 4.35 | 43,906 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,624 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,481 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,304 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,997 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,352 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,718 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,591 |
| Airline Logos | 0 | - | 4.45 | 140,230 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,497 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,309 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,085 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,549 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,052 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,589 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,270 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,362 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,079 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,582 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,340 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,849 |
