| Pictures by Letter - A | 0 | - | 4.17 | 33,283 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,899 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,793 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,463 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,678 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,281 |
| Empires by Maps | 0 | - | 4.98 | 119,550 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,386 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,039 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,455 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,932 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,378 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,206 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,684 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,032 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,297 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,419 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,959 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,714 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,595 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,132 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,587 |
| Play-Doh People from History | 0 | - | 4.99 | 94,364 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,309 |
| All Country Flags of the World | 0 | - | 5.00 | 3,634,523 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,392 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,112 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,610 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,364 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,875 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,073 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,918 |
| Years in History by Picture | 0 | - | 4.44 | 35,357 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,574 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,996 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,147 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,697 |
| Name that Object #1 | 0 | - | 3.57 | 96,419 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,191 |
| Flags with Crescents | 0 | - | 4.98 | 168,593 |
| Country Flag Trivia | 0 | - | 4.81 | 56,518 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,106 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,012 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,665 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,907 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,796 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,454 |
| National Football Team Logos | 0 | - | 4.85 | 179,628 |
| Old Movies by Picture | 0 | - | 4.51 | 24,989 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,864 |
| Random Logos Quiz | 0 | - | 4.31 | 207,802 |
| Fruits by Picture | 0 | - | 4.20 | 806,094 |
| Geography by Picture - B | 0 | - | 4.42 | 55,513 |
| Geography by Picture - H | 0 | - | 4.50 | 58,134 |
| Geography by Picture - N | 0 | - | 4.45 | 42,125 |
| Geography by Picture - R | 0 | - | 4.56 | 40,953 |
| Geography by Picture - T | 0 | - | 4.54 | 57,763 |
| Flags to Languages | 0 | - | 4.95 | 173,115 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,308 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,256 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,687 |
| Name that Object #2 | 0 | - | 3.64 | 15,392 |
| Name that Object #3 | 0 | - | 3.93 | 14,353 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,147 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,654 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,743 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,993 |
| Name that Bug | 0 | - | 4.12 | 45,509 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,266 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,806 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,562 |
| Elements by Picture | 0 | - | 4.27 | 69,764 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,240 |
| Islands by Picture | 0 | - | 4.29 | 106,456 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,178 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,224 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,406 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,459 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,093 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,494 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,901 |
| International Footballers by Picture | 0 | - | 4.50 | 55,209 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,776 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,222 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,594 |
| Geography by Picture - A | 0 | - | 4.39 | 60,149 |
| Geography by Picture - D | 0 | - | 4.15 | 45,573 |
| Geography by Picture - F | 0 | - | 4.31 | 50,908 |
| Geography by Picture - G | 0 | - | 4.38 | 47,878 |
| Geography by Picture - J | 0 | - | 4.16 | 38,395 |
| Geography by Picture - K | 0 | - | 4.29 | 33,066 |
| Geography by Picture - C | 0 | - | 4.31 | 56,999 |
| Geography by Picture - L | 0 | - | 4.37 | 58,859 |
| Geography by Picture - M | 0 | - | 4.14 | 40,395 |
| Geography by Picture - P | 0 | - | 4.24 | 42,368 |
| Geography by Picture - S | 0 | - | 4.38 | 46,983 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,493 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Satellite Images #1 | 0 | - | 4.46 | 129,208 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,164 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,798 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,802 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,894 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,704 |
| Soccer Team Logos | 0 | - | 4.26 | 372,805 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,456 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,737 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,381 |
| Movie Logos | 0 | - | 4.33 | 237,272 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,303 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,850 |
| History by Picture - A | 0 | - | 4.25 | 45,667 |
| History by Picture - B | 0 | - | 4.40 | 48,815 |
| History by Picture - C | 0 | - | 4.36 | 54,330 |
| History by Picture - F | 0 | - | 4.35 | 37,779 |
| History by Picture - G | 0 | - | 4.40 | 42,038 |
| History by Picture - D | 0 | - | 4.29 | 44,197 |
| History by Picture - E | 0 | - | 4.27 | 43,812 |
| History by Picture - H | 0 | - | 4.37 | 36,702 |
| History by Picture - K | 0 | - | 4.35 | 33,266 |
| History by Picture - M | 0 | - | 4.17 | 36,060 |
| History by Picture - N | 0 | - | 4.40 | 41,156 |
| History by Picture - O | 0 | - | 4.39 | 36,208 |
| History by Picture - T | 0 | - | 4.20 | 33,233 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,084 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,285 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,063 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,412,972 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,787 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,024 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,473 |
| Foods by Picture | 0 | - | 3.81 | 225,801 |
| Flowers by Picture | 0 | - | 4.46 | 105,148 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,202 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,641 |
| Christmas by Picture | 0 | - | 4.25 | 28,134 |
| Hats by Picture | 0 | - | 4.21 | 17,932 |
| Weapons by Picture | 0 | - | 4.13 | 20,992 |
| Cars by Picture | 0 | - | 3.89 | 41,306 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,267 |
| Authors by Picture | 0 | - | 4.48 | 25,478 |
| Plants by Picture | 0 | - | 4.24 | 14,389 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,896 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,434 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,468 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,518 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,696 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,674 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,328 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,199 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,964 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,042 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,403 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,077 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,937 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,242 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,286 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,058 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,505 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,220 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,181 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,979 |
| Women in History by Picture | 0 | - | 4.25 | 25,845 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,042 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,720 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,722 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,669 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 92,947 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,023 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,892 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,503 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,673 |
| Geography by Picture - E | 0 | - | 3.55 | 47,326 |
| Landforms by Picture | 0 | - | 4.31 | 20,625 |
| Geography by Picture - I | 0 | - | 4.00 | 39,365 |
| Emoji Flags | 0 | - | 4.35 | 43,951 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,685 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,594 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,329 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,112 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,431 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,736 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,813 |
| Airline Logos | 0 | - | 4.45 | 140,346 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,688 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,448 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,216 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,669 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,172 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,721 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,382 |
| History by Picture - I | 0 | - | 4.26 | 26,139 |
| History by Picture - J | 0 | - | 4.18 | 26,654 |
| History by Picture - L | 0 | - | 4.18 | 30,693 |
| History by Picture - P | 0 | - | 4.08 | 25,228 |
| History by Picture - Q | 0 | - | 4.03 | 22,015 |
| History by Picture - R | 0 | - | 4.13 | 26,767 |
| History by Picture - S | 0 | - | 4.14 | 27,712 |
| History by Picture - U | 0 | - | 4.24 | 25,052 |
| History by Picture - V | 0 | - | 4.30 | 25,020 |
