| Former Countries by Territory Map | 0 | - | 4.96 | 101,350 |
| Empires by Maps | 0 | - | 4.98 | 118,230 |
| Elements by Picture | 0 | - | 4.27 | 69,497 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,143 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,928 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,958 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,110 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,638 |
| Play-Doh People from History | 0 | - | 4.99 | 93,734 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,969 |
| All Country Flags of the World | 0 | - | 5.00 | 3,595,971 |
| Metals of Antiquity | 0 | - | 4.94 | 92,823 |
| Years in History by Picture | 0 | - | 4.44 | 35,062 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,143 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,009 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,797 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,233 |
| Name that Object #1 | 0 | - | 3.56 | 96,277 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,731 |
| Flags with Crescents | 0 | - | 4.98 | 167,349 |
| Country Flag Trivia | 0 | - | 4.81 | 55,807 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,276 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,365 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,770 |
| 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 | 51,955 |
| National Football Team Logos | 0 | - | 4.84 | 178,456 |
| 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 | 46,637 |
| Random Logos Quiz | 0 | - | 4.32 | 206,892 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,097 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,691 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,582 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,281 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,501 |
| Fruits by Picture | 0 | - | 4.20 | 804,384 |
| Geography by Picture - B | 0 | - | 4.42 | 55,390 |
| Geography by Picture - H | 0 | - | 4.49 | 58,021 |
| Geography by Picture - N | 0 | - | 4.45 | 42,036 |
| Geography by Picture - R | 0 | - | 4.55 | 40,867 |
| Geography by Picture - T | 0 | - | 4.54 | 57,653 |
| Flags to Languages | 0 | - | 4.95 | 172,372 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,037 |
| 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 | 64,198 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,563 |
| 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 | 54,776 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,277 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,373 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,286 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,258 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,890 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,303 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,779 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,280 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,091 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,560 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,903 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,158 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,304 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,842 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,590 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,452 |
| 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 | 50,377 |
| Islands by Picture | 0 | - | 4.29 | 105,785 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,011 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,505 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,191 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,885 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,049 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,738 |
| International Footballers by Picture | 0 | - | 4.50 | 54,606 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,380 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,514 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,245 |
| Geography by Picture - A | 0 | - | 4.39 | 60,028 |
| Geography by Picture - D | 0 | - | 4.15 | 45,469 |
| Geography by Picture - F | 0 | - | 4.31 | 50,810 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,317 |
| Geography by Picture - K | 0 | - | 4.28 | 32,998 |
| Geography by Picture - C | 0 | - | 4.31 | 56,893 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,332 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,897 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,146 |
| Flag Maths | 0 | - | 4.78 | 57,665 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,966 |
| 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 | 49,623 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,780 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,294 |
| Soccer Team Logos | 0 | - | 4.26 | 370,338 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,786 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,947 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,499 |
| Movie Logos | 0 | - | 4.33 | 235,566 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,664 |
| 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 | 45,423 |
| History by Picture - B | 0 | - | 4.40 | 48,537 |
| History by Picture - C | 0 | - | 4.36 | 54,042 |
| History by Picture - F | 0 | - | 4.35 | 37,550 |
| History by Picture - G | 0 | - | 4.40 | 41,808 |
| History by Picture - D | 0 | - | 4.32 | 43,971 |
| History by Picture - E | 0 | - | 4.27 | 43,590 |
| History by Picture - H | 0 | - | 4.37 | 36,502 |
| History by Picture - K | 0 | - | 4.35 | 33,075 |
| History by Picture - M | 0 | - | 4.17 | 35,883 |
| History by Picture - N | 0 | - | 4.40 | 40,964 |
| History by Picture - O | 0 | - | 4.39 | 35,999 |
| History by Picture - T | 0 | - | 4.20 | 33,057 |
| 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 | 41,336 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,374 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,346 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,561 |
| 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 | 267,802 |
| Foods by Picture | 0 | - | 3.81 | 225,400 |
| Flowers by Picture | 0 | - | 4.46 | 104,987 |
| 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 | 28,096 |
| Hats by Picture | 0 | - | 4.21 | 17,899 |
| Weapons by Picture | 0 | - | 4.13 | 20,865 |
| 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 | 79,367 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,434 |
| 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 | 108,039 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,847 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,733 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,871 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,060 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,814 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,362 |
| 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 | 50,900 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,195 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,940 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,882 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,500 |
| Women in History by Picture | 0 | - | 4.25 | 25,748 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,898 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,641 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,500 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,914 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,336 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,958 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,176 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,948 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,264 |
| Geography by Picture - E | 0 | - | 3.55 | 47,268 |
| Landforms by Picture | 0 | - | 4.31 | 20,566 |
| Geography by Picture - I | 0 | - | 4.00 | 39,304 |
| Emoji Flags | 0 | - | 4.35 | 43,793 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,433 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,051 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,218 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,697 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,037 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,658 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,827 |
| Airline Logos | 0 | - | 4.45 | 139,879 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,789 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,681 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,597 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,576 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,099 |
| 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 | 29,969 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,503 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,268 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,758 |
