| Pictures by Letter - A | 0 | - | 4.18 | 33,550 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,183 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,140 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,721 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,919 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,335 |
| Empires by Maps | 0 | - | 4.98 | 121,251 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,943 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,582 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,300 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,683 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,177 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,543 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,397 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,861 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,226 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,500 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,589 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,862 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,785 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,400 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,912 |
| Play-Doh People from History | 0 | - | 4.99 | 95,214 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,863 |
| All Country Flags of the World | 0 | - | 5.00 | 3,691,178 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,592 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,326 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,777 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,518 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,038 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,225 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,061 |
| Years in History by Picture | 0 | - | 4.44 | 35,662 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,192 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,994 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,263 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,068 |
| Name that Object #1 | 0 | - | 3.57 | 96,557 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,752 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,825 |
| Flags with Crescents | 0 | - | 4.98 | 170,641 |
| Country Flag Trivia | 0 | - | 4.81 | 57,596 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,392 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,005 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,051 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,631 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,646 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,225 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,567 |
| National Football Team Logos | 0 | - | 4.85 | 181,141 |
| Old Movies by Picture | 0 | - | 4.51 | 25,179 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,196 |
| Random Logos Quiz | 0 | - | 4.33 | 208,994 |
| Fruits by Picture | 0 | - | 4.19 | 808,402 |
| Geography by Picture - B | 0 | - | 4.42 | 55,707 |
| Geography by Picture - H | 0 | - | 4.50 | 58,308 |
| Geography by Picture - N | 0 | - | 4.45 | 42,284 |
| Geography by Picture - R | 0 | - | 4.56 | 41,093 |
| Geography by Picture - T | 0 | - | 4.54 | 57,932 |
| Flags to Languages | 0 | - | 4.95 | 174,128 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,846 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,819 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,478 |
| Name that Object #2 | 0 | - | 3.64 | 15,480 |
| Name that Object #3 | 0 | - | 3.93 | 14,434 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,674 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,498 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,266 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,993 |
| Name that Bug | 0 | - | 4.12 | 45,603 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,448 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,113 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,829 |
| Elements by Picture | 0 | - | 4.27 | 70,148 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,411 |
| Islands by Picture | 0 | - | 4.28 | 107,429 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,385 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,737 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,851 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,380 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,151 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,133 |
| International Footballers by Picture | 0 | - | 4.51 | 56,067 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,390 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,184 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,036 |
| Geography by Picture - A | 0 | - | 4.39 | 60,356 |
| Geography by Picture - D | 0 | - | 4.15 | 45,731 |
| Geography by Picture - F | 0 | - | 4.31 | 51,105 |
| Geography by Picture - G | 0 | - | 4.39 | 48,031 |
| Geography by Picture - J | 0 | - | 4.16 | 38,537 |
| Geography by Picture - K | 0 | - | 4.29 | 33,197 |
| Geography by Picture - C | 0 | - | 4.31 | 57,163 |
| Geography by Picture - L | 0 | - | 4.37 | 59,072 |
| Geography by Picture - M | 0 | - | 4.14 | 40,532 |
| Geography by Picture - P | 0 | - | 4.24 | 42,514 |
| Geography by Picture - S | 0 | - | 4.38 | 47,124 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,366 |
| Flag Maths | 0 | - | 4.61 | 57,805 |
| Satellite Images #1 | 0 | - | 4.47 | 129,546 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,455 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,035 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,061 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,073 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,306 |
| Soccer Team Logos | 0 | - | 4.26 | 376,262 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,063 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,576 |
| Movie Logos | 0 | - | 4.33 | 239,544 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,818 |
| History by Picture - A | 0 | - | 4.26 | 46,010 |
| History by Picture - B | 0 | - | 4.40 | 49,185 |
| History by Picture - C | 0 | - | 4.36 | 54,719 |
| History by Picture - F | 0 | - | 4.35 | 38,067 |
| History by Picture - G | 0 | - | 4.40 | 42,312 |
| History by Picture - D | 0 | - | 4.29 | 44,510 |
| History by Picture - E | 0 | - | 4.25 | 44,108 |
| History by Picture - H | 0 | - | 4.37 | 36,960 |
| History by Picture - K | 0 | - | 4.35 | 33,509 |
| History by Picture - M | 0 | - | 4.17 | 36,288 |
| History by Picture - N | 0 | - | 4.40 | 41,424 |
| History by Picture - O | 0 | - | 4.39 | 36,452 |
| History by Picture - T | 0 | - | 4.20 | 33,442 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,510 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,350 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,040 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,431,737 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,599 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,658 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,434 |
| Foods by Picture | 0 | - | 3.81 | 226,382 |
| Flowers by Picture | 0 | - | 4.46 | 105,783 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,556 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,882 |
| Christmas by Picture | 0 | - | 4.26 | 28,209 |
| Hats by Picture | 0 | - | 4.21 | 17,998 |
| Weapons by Picture | 0 | - | 4.13 | 21,127 |
| Cars by Picture | 0 | - | 3.89 | 41,682 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,335 |
| Authors by Picture | 0 | - | 4.48 | 25,592 |
| Plants by Picture | 0 | - | 4.24 | 14,497 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,539 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,948 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,018 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,144 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,306 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,134 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,704 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,680 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,349 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,229 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,883 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,402 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,462 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,631 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,569 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,296 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,957 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,626 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,670 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,875 |
| Women in History by Picture | 0 | - | 4.25 | 25,982 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,279 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,823 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,108 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,666 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,738 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,532 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,003 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,339 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,330 |
| Geography by Picture - E | 0 | - | 3.55 | 47,450 |
| Landforms by Picture | 0 | - | 4.31 | 20,721 |
| Geography by Picture - I | 0 | - | 4.00 | 39,490 |
| Geography by Picture - O | 0 | - | 4.01 | 28,197 |
| Emoji Flags | 0 | - | 4.35 | 44,199 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,094 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,355 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,491 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,728 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,049 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,880 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,187 |
| Airline Logos | 0 | - | 4.45 | 141,147 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,035 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,544 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,225 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,009 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,380 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,918 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,602 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,936 |
| History by Picture - I | 0 | - | 4.24 | 26,361 |
| History by Picture - J | 0 | - | 4.18 | 26,857 |
| History by Picture - L | 0 | - | 4.18 | 30,914 |
| History by Picture - P | 0 | - | 4.08 | 25,401 |
| History by Picture - Q | 0 | - | 4.03 | 22,188 |
| History by Picture - R | 0 | - | 4.13 | 26,969 |
| History by Picture - S | 0 | - | 4.14 | 27,900 |
| History by Picture - U | 0 | - | 4.25 | 25,248 |
