| Former Countries by Territory Map | 0 | - | 4.96 | 101,355 |
| Empires by Maps | 0 | - | 4.98 | 118,233 |
| Elements by Picture | 0 | - | 4.27 | 69,497 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,144 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,932 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,960 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,113 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,642 |
| Play-Doh People from History | 0 | - | 4.99 | 93,736 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,972 |
| All Country Flags of the World | 0 | - | 5.00 | 3,596,113 |
| Metals of Antiquity | 0 | - | 4.94 | 92,823 |
| Years in History by Picture | 0 | - | 4.44 | 35,062 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,146 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,037 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,815 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,245 |
| Name that Object #1 | 0 | - | 3.56 | 96,278 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,733 |
| Flags with Crescents | 0 | - | 4.98 | 167,357 |
| Country Flag Trivia | 0 | - | 4.81 | 55,810 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,276 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,367 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,775 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,369 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,295 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,956 |
| National Football Team Logos | 0 | - | 4.84 | 178,458 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,523 |
| Old Movies by Picture | 0 | - | 4.51 | 24,766 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,638 |
| Random Logos Quiz | 0 | - | 4.32 | 206,894 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,100 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,692 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,583 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,282 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,501 |
| Fruits by Picture | 0 | - | 4.20 | 804,392 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,024 |
| Geography by Picture - N | 0 | - | 4.45 | 42,037 |
| Geography by Picture - R | 0 | - | 4.55 | 40,868 |
| Geography by Picture - T | 0 | - | 4.54 | 57,654 |
| Flags to Languages | 0 | - | 4.95 | 172,376 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,039 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,138 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,995 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,201 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,564 |
| Countries with Glaciers | 0 | - | 4.97 | 104,604 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,185 |
| Name that Object #2 | 0 | - | 3.64 | 15,309 |
| Name that Object #3 | 0 | - | 3.93 | 14,294 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,779 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,281 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,375 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,306 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,259 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,891 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,304 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,781 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,280 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,092 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,563 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,903 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,159 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,305 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,843 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,591 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,455 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,572 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,588 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,378 |
| Islands by Picture | 0 | - | 4.29 | 105,788 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,011 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,507 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,192 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,887 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,051 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,739 |
| International Footballers by Picture | 0 | - | 4.50 | 54,607 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,382 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,515 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,247 |
| Geography by Picture - A | 0 | - | 4.39 | 60,029 |
| Geography by Picture - D | 0 | - | 4.15 | 45,473 |
| Geography by Picture - F | 0 | - | 4.31 | 50,813 |
| Geography by Picture - G | 0 | - | 4.38 | 47,775 |
| Geography by Picture - J | 0 | - | 4.16 | 38,323 |
| Geography by Picture - K | 0 | - | 4.28 | 33,001 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,733 |
| Geography by Picture - M | 0 | - | 4.14 | 40,335 |
| Geography by Picture - P | 0 | - | 4.24 | 42,289 |
| Geography by Picture - S | 0 | - | 4.38 | 46,899 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,156 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,969 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,959 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,619 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,624 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,780 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,298 |
| Soccer Team Logos | 0 | - | 4.26 | 370,346 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,792 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,954 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,499 |
| Movie Logos | 0 | - | 4.33 | 235,574 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,665 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,110 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,150 |
| History by Picture - A | 0 | - | 4.25 | 45,426 |
| History by Picture - B | 0 | - | 4.40 | 48,538 |
| History by Picture - C | 0 | - | 4.36 | 54,043 |
| History by Picture - F | 0 | - | 4.35 | 37,552 |
| History by Picture - G | 0 | - | 4.40 | 41,810 |
| History by Picture - D | 0 | - | 4.32 | 43,974 |
| History by Picture - E | 0 | - | 4.27 | 43,593 |
| History by Picture - H | 0 | - | 4.37 | 36,506 |
| History by Picture - K | 0 | - | 4.35 | 33,078 |
| History by Picture - M | 0 | - | 4.17 | 35,885 |
| History by Picture - N | 0 | - | 4.40 | 40,965 |
| History by Picture - O | 0 | - | 4.39 | 36,001 |
| History by Picture - T | 0 | - | 4.20 | 33,060 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,796 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,080 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,296 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,826 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,337 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,375 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,351 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,614 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,407 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,575 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,805 |
| Foods by Picture | 0 | - | 3.81 | 225,403 |
| Flowers by Picture | 0 | - | 4.46 | 104,990 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,948 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,515 |
| Christmas by Picture | 0 | - | 4.25 | 28,097 |
| Hats by Picture | 0 | - | 4.21 | 17,900 |
| Weapons by Picture | 0 | - | 4.13 | 20,866 |
| Cars by Picture | 0 | - | 3.89 | 41,045 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,221 |
| Authors by Picture | 0 | - | 4.48 | 25,387 |
| Plants by Picture | 0 | - | 4.24 | 14,331 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,370 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,436 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,981 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,289 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,356 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,040 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,849 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,736 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,872 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,062 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,817 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,368 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,975 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,086 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,901 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,198 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,943 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,883 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,504 |
| Women in History by Picture | 0 | - | 4.25 | 25,748 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,899 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,641 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,501 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,916 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,338 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,961 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,179 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,952 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,267 |
| Geography by Picture - E | 0 | - | 3.55 | 47,270 |
| Landforms by Picture | 0 | - | 4.31 | 20,566 |
| Geography by Picture - I | 0 | - | 4.00 | 39,307 |
| Emoji Flags | 0 | - | 4.35 | 43,793 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,434 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,054 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,218 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,699 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,040 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,658 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,836 |
| Airline Logos | 0 | - | 4.45 | 139,880 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,792 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,682 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,598 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,579 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,102 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,962 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,261 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,970 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,503 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,269 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,761 |
