| Pictures by Letter - A | 0 | - | 4.18 | 33,532 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,159 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,114 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,705 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,902 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,267 |
| Empires by Maps | 0 | - | 4.98 | 121,156 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,890 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,570 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,273 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,665 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,156 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,533 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,856 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,214 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,480 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,578 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,134 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,854 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,770 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,384 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,845 |
| Play-Doh People from History | 0 | - | 4.99 | 95,161 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,824 |
| All Country Flags of the World | 0 | - | 5.00 | 3,687,559 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,570 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,309 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,763 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,511 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,030 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,213 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,054 |
| Years in History by Picture | 0 | - | 4.44 | 35,651 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,152 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,384 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,914 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,822 |
| Name that Object #1 | 0 | - | 3.57 | 96,549 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,722 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,777 |
| Flags with Crescents | 0 | - | 4.98 | 170,522 |
| Country Flag Trivia | 0 | - | 4.81 | 57,520 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,306 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,936 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,958 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,574 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,593 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,152 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,276 |
| National Football Team Logos | 0 | - | 4.85 | 181,027 |
| Old Movies by Picture | 0 | - | 4.51 | 25,162 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,173 |
| Random Logos Quiz | 0 | - | 4.33 | 208,919 |
| Fruits by Picture | 0 | - | 4.19 | 808,260 |
| Geography by Picture - B | 0 | - | 4.42 | 55,696 |
| Geography by Picture - H | 0 | - | 4.50 | 58,301 |
| Geography by Picture - N | 0 | - | 4.45 | 42,271 |
| Geography by Picture - R | 0 | - | 4.56 | 41,085 |
| Geography by Picture - T | 0 | - | 4.54 | 57,918 |
| Flags to Languages | 0 | - | 4.95 | 174,046 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,741 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,774 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,418 |
| Name that Object #2 | 0 | - | 3.64 | 15,475 |
| Name that Object #3 | 0 | - | 3.93 | 14,431 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,648 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,384 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,230 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,619 |
| Name that Bug | 0 | - | 4.12 | 45,598 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,437 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,090 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,804 |
| Elements by Picture | 0 | - | 4.27 | 70,128 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,400 |
| Islands by Picture | 0 | - | 4.28 | 107,364 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,365 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,679 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,834 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,368 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,105 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,117 |
| International Footballers by Picture | 0 | - | 4.51 | 56,011 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,273 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,117 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,003 |
| Geography by Picture - A | 0 | - | 4.39 | 60,343 |
| Geography by Picture - D | 0 | - | 4.15 | 45,723 |
| Geography by Picture - F | 0 | - | 4.31 | 51,093 |
| Geography by Picture - G | 0 | - | 4.39 | 48,021 |
| Geography by Picture - J | 0 | - | 4.16 | 38,528 |
| Geography by Picture - K | 0 | - | 4.29 | 33,188 |
| Geography by Picture - C | 0 | - | 4.31 | 57,151 |
| Geography by Picture - L | 0 | - | 4.37 | 59,064 |
| Geography by Picture - M | 0 | - | 4.14 | 40,522 |
| Geography by Picture - P | 0 | - | 4.24 | 42,502 |
| Geography by Picture - S | 0 | - | 4.38 | 47,110 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,232 |
| Flag Maths | 0 | - | 4.64 | 57,802 |
| Satellite Images #1 | 0 | - | 4.47 | 129,521 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,436 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,020 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,042 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,058 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,253 |
| Soccer Team Logos | 0 | - | 4.26 | 376,039 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,921 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,496 |
| Movie Logos | 0 | - | 4.33 | 239,404 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,759 |
| History by Picture - A | 0 | - | 4.26 | 45,989 |
| History by Picture - B | 0 | - | 4.40 | 49,172 |
| History by Picture - C | 0 | - | 4.36 | 54,698 |
| History by Picture - F | 0 | - | 4.35 | 38,050 |
| History by Picture - G | 0 | - | 4.40 | 42,292 |
| History by Picture - D | 0 | - | 4.29 | 44,490 |
| History by Picture - E | 0 | - | 4.25 | 44,094 |
| History by Picture - H | 0 | - | 4.37 | 36,938 |
| History by Picture - K | 0 | - | 4.35 | 33,493 |
| History by Picture - M | 0 | - | 4.17 | 36,265 |
| History by Picture - N | 0 | - | 4.40 | 41,403 |
| History by Picture - O | 0 | - | 4.39 | 36,438 |
| History by Picture - T | 0 | - | 4.20 | 33,427 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,473 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,233 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,965 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,430,655 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,559 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,628 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,370 |
| Foods by Picture | 0 | - | 3.81 | 226,339 |
| Flowers by Picture | 0 | - | 4.46 | 105,757 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,535 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,869 |
| Christmas by Picture | 0 | - | 4.26 | 28,207 |
| Hats by Picture | 0 | - | 4.21 | 17,996 |
| Weapons by Picture | 0 | - | 4.13 | 21,120 |
| Cars by Picture | 0 | - | 3.89 | 41,653 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,333 |
| Authors by Picture | 0 | - | 4.48 | 25,587 |
| Plants by Picture | 0 | - | 4.24 | 14,487 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,475 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,896 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,988 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,101 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,253 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,087 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,681 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,665 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,325 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,220 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,865 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,388 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,416 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,603 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,552 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,277 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,917 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,599 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,636 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,839 |
| Women in History by Picture | 0 | - | 4.25 | 25,974 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,258 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,817 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,012 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,605 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,688 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,448 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,941 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,286 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,291 |
| Geography by Picture - E | 0 | - | 3.55 | 47,442 |
| Landforms by Picture | 0 | - | 4.31 | 20,713 |
| Geography by Picture - I | 0 | - | 4.00 | 39,484 |
| Geography by Picture - O | 0 | - | 4.01 | 28,189 |
| Emoji Flags | 0 | - | 4.35 | 44,185 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,055 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,309 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,469 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,695 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,002 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,871 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,113 |
| Airline Logos | 0 | - | 4.45 | 141,102 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,944 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,487 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,181 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,969 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,329 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,875 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,538 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,898 |
| History by Picture - I | 0 | - | 4.24 | 26,349 |
| History by Picture - J | 0 | - | 4.18 | 26,846 |
| History by Picture - L | 0 | - | 4.18 | 30,902 |
| History by Picture - P | 0 | - | 4.08 | 25,389 |
| History by Picture - Q | 0 | - | 4.03 | 22,180 |
| History by Picture - R | 0 | - | 4.13 | 26,957 |
| History by Picture - S | 0 | - | 4.14 | 27,886 |
| History by Picture - U | 0 | - | 4.25 | 25,238 |
