| Pictures by Letter - A | 0 | - | 4.17 | 33,329 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,950 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,867 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,513 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,724 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,442 |
| Empires by Maps | 0 | - | 4.98 | 119,818 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,429 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,086 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,500 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,971 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,410 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,243 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,071 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,334 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,453 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,995 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,742 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,627 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,172 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,789 |
| Play-Doh People from History | 0 | - | 4.99 | 94,514 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,392 |
| All Country Flags of the World | 0 | - | 5.00 | 3,642,879 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,431 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,149 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,639 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,393 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,909 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,103 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,945 |
| Years in History by Picture | 0 | - | 4.44 | 35,408 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,695 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,557 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,087 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,214 |
| Name that Object #1 | 0 | - | 3.57 | 96,455 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,299 |
| Flags with Crescents | 0 | - | 4.98 | 168,886 |
| Country Flag Trivia | 0 | - | 4.81 | 56,674 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,299 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,147 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,903 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,033 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,938 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,547 |
| National Football Team Logos | 0 | - | 4.85 | 179,838 |
| Old Movies by Picture | 0 | - | 4.51 | 25,027 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,913 |
| Random Logos Quiz | 0 | - | 4.31 | 208,004 |
| Fruits by Picture | 0 | - | 4.19 | 806,433 |
| Geography by Picture - B | 0 | - | 4.42 | 55,545 |
| Geography by Picture - H | 0 | - | 4.50 | 58,168 |
| Geography by Picture - N | 0 | - | 4.45 | 42,153 |
| Geography by Picture - R | 0 | - | 4.56 | 40,970 |
| Geography by Picture - T | 0 | - | 4.54 | 57,786 |
| Flags to Languages | 0 | - | 4.95 | 173,283 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,562 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,349 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,806 |
| Name that Object #2 | 0 | - | 3.64 | 15,420 |
| Name that Object #3 | 0 | - | 3.93 | 14,376 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,234 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,916 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,830 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 536,927 |
| Name that Bug | 0 | - | 4.12 | 45,523 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,290 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,844 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,586 |
| Elements by Picture | 0 | - | 4.27 | 69,799 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,265 |
| Islands by Picture | 0 | - | 4.29 | 106,616 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,202 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,308 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,533 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,506 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,136 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,589 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,930 |
| International Footballers by Picture | 0 | - | 4.50 | 55,321 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 284,003 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,357 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,664 |
| Geography by Picture - A | 0 | - | 4.39 | 60,183 |
| Geography by Picture - D | 0 | - | 4.15 | 45,598 |
| Geography by Picture - F | 0 | - | 4.31 | 50,932 |
| Geography by Picture - G | 0 | - | 4.38 | 47,901 |
| Geography by Picture - J | 0 | - | 4.16 | 38,417 |
| Geography by Picture - K | 0 | - | 4.29 | 33,083 |
| Geography by Picture - C | 0 | - | 4.31 | 57,020 |
| Geography by Picture - L | 0 | - | 4.37 | 58,886 |
| Geography by Picture - M | 0 | - | 4.14 | 40,410 |
| Geography by Picture - P | 0 | - | 4.24 | 42,388 |
| Geography by Picture - S | 0 | - | 4.38 | 46,999 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,790 |
| Flag Maths | 0 | - | 4.64 | 57,737 |
| Satellite Images #1 | 0 | - | 4.46 | 129,258 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,214 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,833 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,834 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,917 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,785 |
| Soccer Team Logos | 0 | - | 4.26 | 373,340 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,043 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,105 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,567 |
| Movie Logos | 0 | - | 4.33 | 237,650 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,459 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,983 |
| History by Picture - A | 0 | - | 4.25 | 45,713 |
| History by Picture - B | 0 | - | 4.40 | 48,864 |
| History by Picture - C | 0 | - | 4.36 | 54,385 |
| History by Picture - F | 0 | - | 4.35 | 37,816 |
| History by Picture - G | 0 | - | 4.40 | 42,075 |
| History by Picture - D | 0 | - | 4.29 | 44,245 |
| History by Picture - E | 0 | - | 4.27 | 43,851 |
| History by Picture - H | 0 | - | 4.37 | 36,734 |
| History by Picture - K | 0 | - | 4.35 | 33,304 |
| History by Picture - M | 0 | - | 4.17 | 36,097 |
| History by Picture - N | 0 | - | 4.40 | 41,192 |
| History by Picture - O | 0 | - | 4.39 | 36,252 |
| History by Picture - T | 0 | - | 4.20 | 33,265 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,145 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,439 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,214 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,415,963 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,888 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,100 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,611 |
| Foods by Picture | 0 | - | 3.81 | 225,902 |
| Flowers by Picture | 0 | - | 4.46 | 105,551 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,254 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,670 |
| Christmas by Picture | 0 | - | 4.25 | 28,144 |
| Hats by Picture | 0 | - | 4.21 | 17,944 |
| Weapons by Picture | 0 | - | 4.13 | 21,015 |
| Cars by Picture | 0 | - | 3.89 | 41,372 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,281 |
| Authors by Picture | 0 | - | 4.48 | 25,501 |
| Plants by Picture | 0 | - | 4.24 | 14,408 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,014 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,961 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,565 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,600 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,780 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,741 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,405 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,281 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,020 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,063 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,482 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,127 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,028 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,285 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,321 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,094 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,554 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,264 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,238 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,063 |
| Women in History by Picture | 0 | - | 4.25 | 25,871 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,079 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,743 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,907 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,814 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,066 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,273 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,080 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,647 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,786 |
| Geography by Picture - E | 0 | - | 3.55 | 47,340 |
| Landforms by Picture | 0 | - | 4.31 | 20,642 |
| Geography by Picture - I | 0 | - | 4.00 | 39,382 |
| Geography by Picture - O | 0 | - | 4.01 | 28,103 |
| Emoji Flags | 0 | - | 4.35 | 43,988 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,744 |
| Languages by Combined Flags | 0 | - | 4.54 | 99,740 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,352 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,205 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,515 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,765 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,015 |
| Airline Logos | 0 | - | 4.45 | 140,464 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,917 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,622 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,339 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,765 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,295 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,861 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,463 |
| History by Picture - I | 0 | - | 4.26 | 26,167 |
| History by Picture - J | 0 | - | 4.18 | 26,686 |
| History by Picture - L | 0 | - | 4.18 | 30,726 |
| History by Picture - P | 0 | - | 4.08 | 25,252 |
| History by Picture - Q | 0 | - | 4.03 | 22,048 |
| History by Picture - R | 0 | - | 4.13 | 26,803 |
| History by Picture - S | 0 | - | 4.14 | 27,741 |
| History by Picture - U | 0 | - | 4.24 | 25,084 |
| History by Picture - V | 0 | - | 4.30 | 25,056 |
