| Former Countries by Territory Map | 0 | - | 4.96 | 101,554 |
| Empires by Maps | 0 | - | 4.98 | 118,510 |
| Elements by Picture | 0 | - | 4.28 | 69,550 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,158 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,988 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,993 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,193 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,780 |
| Play-Doh People from History | 0 | - | 4.99 | 93,859 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,034 |
| All Country Flags of the World | 0 | - | 5.00 | 3,602,351 |
| Metals of Antiquity | 0 | - | 4.94 | 92,911 |
| Years in History by Picture | 0 | - | 4.44 | 35,109 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,230 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,384 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,421 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,684 |
| Name that Object #1 | 0 | - | 3.56 | 96,306 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,812 |
| Flags with Crescents | 0 | - | 4.98 | 167,564 |
| Country Flag Trivia | 0 | - | 4.81 | 55,936 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,422 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,459 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,911 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,463 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,380 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,036 |
| National Football Team Logos | 0 | - | 4.84 | 178,667 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,538 |
| Old Movies by Picture | 0 | - | 4.51 | 24,799 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,683 |
| Random Logos Quiz | 0 | - | 4.32 | 207,030 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,123 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,722 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,616 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,308 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,524 |
| Fruits by Picture | 0 | - | 4.20 | 804,655 |
| Geography by Picture - B | 0 | - | 4.42 | 55,416 |
| Geography by Picture - H | 0 | - | 4.49 | 58,051 |
| Geography by Picture - N | 0 | - | 4.45 | 42,048 |
| Geography by Picture - R | 0 | - | 4.55 | 40,877 |
| Geography by Picture - T | 0 | - | 4.54 | 57,676 |
| Flags to Languages | 0 | - | 4.95 | 172,488 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,289 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,154 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,104 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,236 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,632 |
| Countries with Glaciers | 0 | - | 4.97 | 104,663 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,269 |
| Name that Object #2 | 0 | - | 3.64 | 15,325 |
| Name that Object #3 | 0 | - | 3.93 | 14,305 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,843 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,518 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,441 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,076 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,280 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,916 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,334 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,808 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,296 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,108 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,585 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,922 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,179 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,323 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,868 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,613 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,475 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,646 |
| Name that Bug | 0 | - | 4.12 | 45,451 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,188 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,627 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,412 |
| Islands by Picture | 0 | - | 4.29 | 105,901 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,047 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,586 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,239 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,916 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,106 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,776 |
| International Footballers by Picture | 0 | - | 4.50 | 54,739 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,635 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,633 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,299 |
| Geography by Picture - A | 0 | - | 4.39 | 60,052 |
| Geography by Picture - D | 0 | - | 4.15 | 45,494 |
| Geography by Picture - F | 0 | - | 4.31 | 50,827 |
| Geography by Picture - G | 0 | - | 4.38 | 47,790 |
| Geography by Picture - J | 0 | - | 4.16 | 38,335 |
| Geography by Picture - K | 0 | - | 4.28 | 33,015 |
| Geography by Picture - C | 0 | - | 4.31 | 56,909 |
| Geography by Picture - L | 0 | - | 4.37 | 58,762 |
| Geography by Picture - M | 0 | - | 4.14 | 40,346 |
| Geography by Picture - P | 0 | - | 4.24 | 42,298 |
| Geography by Picture - S | 0 | - | 4.38 | 46,910 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,374 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Satellite Images #1 | 0 | - | 4.46 | 129,009 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,987 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,651 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,649 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,809 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,361 |
| Soccer Team Logos | 0 | - | 4.26 | 370,820 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,266 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,254 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,660 |
| Movie Logos | 0 | - | 4.33 | 235,905 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,769 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,196 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,264 |
| History by Picture - A | 0 | - | 4.25 | 45,463 |
| History by Picture - B | 0 | - | 4.40 | 48,587 |
| History by Picture - C | 0 | - | 4.36 | 54,085 |
| History by Picture - F | 0 | - | 4.35 | 37,583 |
| History by Picture - G | 0 | - | 4.40 | 41,853 |
| History by Picture - D | 0 | - | 4.29 | 44,013 |
| History by Picture - E | 0 | - | 4.27 | 43,628 |
| History by Picture - H | 0 | - | 4.37 | 36,545 |
| History by Picture - K | 0 | - | 4.35 | 33,105 |
| History by Picture - M | 0 | - | 4.17 | 35,915 |
| History by Picture - N | 0 | - | 4.40 | 41,001 |
| History by Picture - O | 0 | - | 4.39 | 36,042 |
| History by Picture - T | 0 | - | 4.20 | 33,099 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,849 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,096 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,311 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,869 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,364 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,653 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,467 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,402,143 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,471 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,657 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,919 |
| Foods by Picture | 0 | - | 3.81 | 225,476 |
| Flowers by Picture | 0 | - | 4.46 | 105,013 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,006 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,532 |
| Christmas by Picture | 0 | - | 4.25 | 28,100 |
| Hats by Picture | 0 | - | 4.21 | 17,904 |
| Weapons by Picture | 0 | - | 4.13 | 20,882 |
| Cars by Picture | 0 | - | 3.89 | 41,090 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,228 |
| Authors by Picture | 0 | - | 4.48 | 25,393 |
| Plants by Picture | 0 | - | 4.24 | 14,334 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,470 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,534 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,067 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,370 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,414 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,088 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,907 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,766 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,899 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,113 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,866 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,444 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,020 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,133 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,926 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,255 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,997 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,941 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,597 |
| Women in History by Picture | 0 | - | 4.25 | 25,761 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,927 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,656 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,659 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,042 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,432 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,142 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,302 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,057 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,335 |
| Geography by Picture - E | 0 | - | 3.55 | 47,279 |
| Landforms by Picture | 0 | - | 4.31 | 20,573 |
| Geography by Picture - I | 0 | - | 4.00 | 39,315 |
| Emoji Flags | 0 | - | 4.35 | 43,815 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,469 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,146 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,242 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,748 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,107 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,672 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,014 |
| Airline Logos | 0 | - | 4.45 | 139,951 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,939 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,823 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,714 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,669 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,192 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,012 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,282 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,994 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,517 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,281 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,778 |
