| Pictures by Letter - A | 0 | - | 4.17 | 33,439 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,055 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,995 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,605 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,820 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,816 |
| Empires by Maps | 0 | - | 4.98 | 120,496 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,530 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,506 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,184 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,583 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,069 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,471 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,319 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,783 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,142 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,405 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,511 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,072 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,798 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,280 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,377 |
| Play-Doh People from History | 0 | - | 4.99 | 94,806 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,624 |
| All Country Flags of the World | 0 | - | 5.00 | 3,665,168 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,505 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,236 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,706 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,454 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,977 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,159 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,002 |
| Years in History by Picture | 0 | - | 4.44 | 35,523 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,932 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,386 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,019 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,500 |
| Name that Object #1 | 0 | - | 3.57 | 96,506 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,506 |
| Make a Stained Glass Window | 0 | - | 4.99 | 68,529 |
| Flags with Crescents | 0 | - | 4.98 | 169,623 |
| Country Flag Trivia | 0 | - | 4.81 | 57,066 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,803 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,530 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,460 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,286 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,253 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,834 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,626 |
| National Football Team Logos | 0 | - | 4.85 | 180,407 |
| Old Movies by Picture | 0 | - | 4.51 | 25,103 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,040 |
| Random Logos Quiz | 0 | - | 4.31 | 208,476 |
| Fruits by Picture | 0 | - | 4.19 | 807,336 |
| Geography by Picture - B | 0 | - | 4.42 | 55,613 |
| Geography by Picture - H | 0 | - | 4.50 | 58,239 |
| Geography by Picture - N | 0 | - | 4.45 | 42,208 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,849 |
| Flags to Languages | 0 | - | 4.95 | 173,658 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,141 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,546 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,123 |
| Name that Object #2 | 0 | - | 3.64 | 15,452 |
| Name that Object #3 | 0 | - | 3.93 | 14,406 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,425 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,609 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,028 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,220 |
| Name that Bug | 0 | - | 4.12 | 45,564 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,373 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,968 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,707 |
| Elements by Picture | 0 | - | 4.27 | 69,970 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,327 |
| Islands by Picture | 0 | - | 4.28 | 106,994 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,274 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,885 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,652 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,238 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,839 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,030 |
| International Footballers by Picture | 0 | - | 4.50 | 55,638 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,621 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,710 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,823 |
| Geography by Picture - A | 0 | - | 4.39 | 60,266 |
| Geography by Picture - D | 0 | - | 4.15 | 45,667 |
| Geography by Picture - F | 0 | - | 4.31 | 51,012 |
| Geography by Picture - G | 0 | - | 4.38 | 47,955 |
| Geography by Picture - J | 0 | - | 4.16 | 38,471 |
| Geography by Picture - K | 0 | - | 4.29 | 33,134 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,974 |
| Geography by Picture - M | 0 | - | 4.14 | 40,468 |
| Geography by Picture - P | 0 | - | 4.24 | 42,443 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,513 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,388 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,319 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,928 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,939 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,996 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,023 |
| Soccer Team Logos | 0 | - | 4.26 | 374,625 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,034 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,044 |
| Movie Logos | 0 | - | 4.33 | 238,536 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,366 |
| History by Picture - A | 0 | - | 4.26 | 45,829 |
| History by Picture - B | 0 | - | 4.40 | 49,010 |
| History by Picture - C | 0 | - | 4.36 | 54,524 |
| History by Picture - F | 0 | - | 4.35 | 37,918 |
| History by Picture - G | 0 | - | 4.40 | 42,174 |
| History by Picture - D | 0 | - | 4.29 | 44,343 |
| History by Picture - E | 0 | - | 4.25 | 43,962 |
| History by Picture - H | 0 | - | 4.37 | 36,824 |
| History by Picture - K | 0 | - | 4.35 | 33,384 |
| History by Picture - M | 0 | - | 4.17 | 36,177 |
| History by Picture - N | 0 | - | 4.40 | 41,292 |
| History by Picture - O | 0 | - | 4.39 | 36,345 |
| History by Picture - T | 0 | - | 4.20 | 33,337 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,309 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,846 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,584 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,423,332 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,135 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,339 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,965 |
| Foods by Picture | 0 | - | 3.81 | 226,128 |
| Flowers by Picture | 0 | - | 4.46 | 105,657 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,399 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,746 |
| Christmas by Picture | 0 | - | 4.26 | 28,176 |
| Hats by Picture | 0 | - | 4.21 | 17,968 |
| Weapons by Picture | 0 | - | 4.13 | 21,061 |
| Cars by Picture | 0 | - | 3.89 | 41,523 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,301 |
| Authors by Picture | 0 | - | 4.48 | 25,538 |
| Plants by Picture | 0 | - | 4.24 | 14,446 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,695 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,534 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,793 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,859 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,010 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,888 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,551 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,472 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,131 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,139 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,655 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,253 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,195 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,440 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,441 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,199 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,742 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,454 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,456 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,601 |
| Women in History by Picture | 0 | - | 4.25 | 25,926 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,174 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,782 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,420 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,176 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,336 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,823 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,469 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,935 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,015 |
| Geography by Picture - E | 0 | - | 3.55 | 47,389 |
| Landforms by Picture | 0 | - | 4.31 | 20,682 |
| Geography by Picture - I | 0 | - | 4.00 | 39,437 |
| Geography by Picture - O | 0 | - | 4.01 | 28,145 |
| Emoji Flags | 0 | - | 4.35 | 44,101 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,874 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,030 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,407 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,441 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,761 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,813 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,563 |
| Airline Logos | 0 | - | 4.45 | 140,745 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,425 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,085 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,885 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,657 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,032 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,587 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,198 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,691 |
| History by Picture - I | 0 | - | 4.24 | 26,256 |
| History by Picture - J | 0 | - | 4.18 | 26,753 |
| History by Picture - L | 0 | - | 4.18 | 30,807 |
| History by Picture - P | 0 | - | 4.08 | 25,314 |
| History by Picture - Q | 0 | - | 4.03 | 22,102 |
| History by Picture - R | 0 | - | 4.13 | 26,870 |
| History by Picture - S | 0 | - | 4.14 | 27,812 |
| History by Picture - U | 0 | - | 4.24 | 25,158 |
