| Pictures by Letter - J | 0 | - | 4.31 | 40,120 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,069 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,665 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,868 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,055 |
| Empires by Maps | 0 | - | 4.98 | 120,876 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,742 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,546 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,241 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,633 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,122 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,515 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,363 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,828 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,188 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,446 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,553 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,116 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,835 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,749 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,327 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,658 |
| Play-Doh People from History | 0 | - | 4.99 | 95,000 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,725 |
| All Country Flags of the World | 0 | - | 5.00 | 3,676,951 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,544 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,287 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,744 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,490 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,013 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,196 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,040 |
| Years in History by Picture | 0 | - | 4.44 | 35,592 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,057 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,458 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,094,011 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,205 |
| Name that Object #1 | 0 | - | 3.57 | 96,526 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,643 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,660 |
| Flags with Crescents | 0 | - | 4.98 | 169,994 |
| Country Flag Trivia | 0 | - | 4.81 | 57,269 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,066 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,747 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,712 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,452 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,426 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,008 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,553 |
| National Football Team Logos | 0 | - | 4.85 | 180,740 |
| Old Movies by Picture | 0 | - | 4.51 | 25,141 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,108 |
| Random Logos Quiz | 0 | - | 4.31 | 208,733 |
| Fruits by Picture | 0 | - | 4.19 | 807,854 |
| Geography by Picture - B | 0 | - | 4.42 | 55,662 |
| Geography by Picture - H | 0 | - | 4.50 | 58,272 |
| Geography by Picture - N | 0 | - | 4.45 | 42,241 |
| Geography by Picture - R | 0 | - | 4.56 | 41,064 |
| Geography by Picture - T | 0 | - | 4.54 | 57,890 |
| Flags to Languages | 0 | - | 4.95 | 173,871 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,467 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,662 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,297 |
| Name that Object #2 | 0 | - | 3.64 | 15,464 |
| Name that Object #3 | 0 | - | 3.93 | 14,420 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,550 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,021 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,141 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,536 |
| Name that Bug | 0 | - | 4.12 | 45,583 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,409 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,036 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,764 |
| Elements by Picture | 0 | - | 4.27 | 70,058 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,375 |
| Islands by Picture | 0 | - | 4.28 | 107,207 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,301 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,508 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,752 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,314 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,978 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,083 |
| International Footballers by Picture | 0 | - | 4.50 | 55,832 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,977 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,935 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,930 |
| Geography by Picture - A | 0 | - | 4.39 | 60,314 |
| Geography by Picture - D | 0 | - | 4.15 | 45,697 |
| Geography by Picture - F | 0 | - | 4.31 | 51,058 |
| Geography by Picture - G | 0 | - | 4.39 | 47,988 |
| Geography by Picture - J | 0 | - | 4.16 | 38,503 |
| Geography by Picture - K | 0 | - | 4.29 | 33,166 |
| Geography by Picture - C | 0 | - | 4.31 | 57,118 |
| Geography by Picture - L | 0 | - | 4.37 | 59,029 |
| Geography by Picture - M | 0 | - | 4.14 | 40,499 |
| Geography by Picture - P | 0 | - | 4.24 | 42,471 |
| Geography by Picture - S | 0 | - | 4.38 | 47,078 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,868 |
| Flag Maths | 0 | - | 4.64 | 57,785 |
| Satellite Images #1 | 0 | - | 4.47 | 129,458 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,379 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,972 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,998 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,030 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,141 |
| Soccer Team Logos | 0 | - | 4.26 | 375,408 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,535 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,291 |
| Movie Logos | 0 | - | 4.33 | 239,018 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,593 |
| History by Picture - A | 0 | - | 4.26 | 45,907 |
| History by Picture - B | 0 | - | 4.40 | 49,090 |
| History by Picture - C | 0 | - | 4.36 | 54,598 |
| History by Picture - F | 0 | - | 4.35 | 37,973 |
| History by Picture - G | 0 | - | 4.40 | 42,227 |
| History by Picture - D | 0 | - | 4.29 | 44,412 |
| History by Picture - E | 0 | - | 4.25 | 44,027 |
| History by Picture - H | 0 | - | 4.37 | 36,871 |
| History by Picture - K | 0 | - | 4.35 | 33,433 |
| History by Picture - M | 0 | - | 4.17 | 36,218 |
| History by Picture - N | 0 | - | 4.40 | 41,341 |
| History by Picture - O | 0 | - | 4.39 | 36,385 |
| History by Picture - T | 0 | - | 4.20 | 33,382 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,395 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,057 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,797 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,427,554 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,438 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,508 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,192 |
| Foods by Picture | 0 | - | 3.81 | 226,247 |
| Flowers by Picture | 0 | - | 4.46 | 105,723 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,469 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,821 |
| Christmas by Picture | 0 | - | 4.26 | 28,200 |
| Hats by Picture | 0 | - | 4.21 | 17,987 |
| Weapons by Picture | 0 | - | 4.13 | 21,087 |
| Cars by Picture | 0 | - | 3.89 | 41,596 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,316 |
| Authors by Picture | 0 | - | 4.48 | 25,553 |
| Plants by Picture | 0 | - | 4.24 | 14,473 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,248 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,713 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,918 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,989 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,146 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,998 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,626 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,582 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,247 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,188 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,780 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,328 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,328 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,529 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,498 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,240 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,837 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,530 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,551 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,734 |
| Women in History by Picture | 0 | - | 4.25 | 25,953 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,220 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,802 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,751 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,402 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,536 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,147 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,705 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,111 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,141 |
| Geography by Picture - E | 0 | - | 3.55 | 47,414 |
| Landforms by Picture | 0 | - | 4.31 | 20,697 |
| Geography by Picture - I | 0 | - | 4.00 | 39,461 |
| Geography by Picture - O | 0 | - | 4.01 | 28,169 |
| Emoji Flags | 0 | - | 4.35 | 44,145 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,972 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,185 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,438 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,587 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,882 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,842 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,864 |
| Airline Logos | 0 | - | 4.45 | 140,955 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,735 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,318 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,048 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,842 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,178 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,746 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,391 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,821 |
| History by Picture - I | 0 | - | 4.24 | 26,294 |
| History by Picture - J | 0 | - | 4.18 | 26,797 |
| History by Picture - L | 0 | - | 4.18 | 30,853 |
| History by Picture - P | 0 | - | 4.08 | 25,349 |
| History by Picture - Q | 0 | - | 4.03 | 22,138 |
| History by Picture - R | 0 | - | 4.13 | 26,912 |
| History by Picture - S | 0 | - | 4.14 | 27,846 |
| History by Picture - U | 0 | - | 4.24 | 25,196 |
