| Pictures by Letter - A | 0 | - | 4.17 | 33,131 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,729 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,623 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,312 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,528 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,601 |
| Empires by Maps | 0 | - | 4.98 | 118,571 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,283 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,926 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,339 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,813 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,301 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,115 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,589 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,929 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,185 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,327 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,873 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,619 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,481 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,998 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,825 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,048 |
| All Country Flags of the World | 0 | - | 5.00 | 3,603,902 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,286 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,999 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,522 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,286 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,784 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,995 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,842 |
| Years in History by Picture | 0 | - | 4.44 | 35,123 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,251 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,683 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,560 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,780 |
| Name that Object #1 | 0 | - | 3.56 | 96,309 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,833 |
| Flags with Crescents | 0 | - | 4.98 | 167,617 |
| Country Flag Trivia | 0 | - | 4.81 | 55,962 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,459 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,486 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,942 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,485 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,404 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,064 |
| National Football Team Logos | 0 | - | 4.84 | 178,739 |
| Old Movies by Picture | 0 | - | 4.51 | 24,816 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,692 |
| Random Logos Quiz | 0 | - | 4.32 | 207,062 |
| Fruits by Picture | 0 | - | 4.20 | 804,728 |
| Geography by Picture - B | 0 | - | 4.42 | 55,422 |
| Geography by Picture - H | 0 | - | 4.49 | 58,055 |
| Geography by Picture - N | 0 | - | 4.45 | 42,053 |
| Geography by Picture - R | 0 | - | 4.55 | 40,882 |
| Geography by Picture - T | 0 | - | 4.54 | 57,683 |
| Flags to Languages | 0 | - | 4.95 | 172,531 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,325 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,155 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,297 |
| Name that Object #2 | 0 | - | 3.64 | 15,329 |
| Name that Object #3 | 0 | - | 3.93 | 14,308 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,856 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,567 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,474 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,282 |
| Name that Bug | 0 | - | 4.12 | 45,455 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,190 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,634 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,418 |
| Elements by Picture | 0 | - | 4.28 | 69,559 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,164 |
| Islands by Picture | 0 | - | 4.29 | 105,925 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,055 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,998 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,771 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,255 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,930 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,129 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,779 |
| International Footballers by Picture | 0 | - | 4.50 | 54,782 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,698 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,666 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,307 |
| Geography by Picture - A | 0 | - | 4.39 | 60,057 |
| Geography by Picture - D | 0 | - | 4.15 | 45,498 |
| Geography by Picture - F | 0 | - | 4.31 | 50,832 |
| Geography by Picture - G | 0 | - | 4.38 | 47,794 |
| Geography by Picture - J | 0 | - | 4.16 | 38,338 |
| Geography by Picture - K | 0 | - | 4.28 | 33,018 |
| Geography by Picture - C | 0 | - | 4.31 | 56,916 |
| Geography by Picture - L | 0 | - | 4.37 | 58,766 |
| Geography by Picture - M | 0 | - | 4.14 | 40,349 |
| Geography by Picture - P | 0 | - | 4.24 | 42,302 |
| Geography by Picture - S | 0 | - | 4.38 | 46,915 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,433 |
| Flag Maths | 0 | - | 4.78 | 57,678 |
| Satellite Images #1 | 0 | - | 4.46 | 129,023 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,995 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,658 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,654 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,812 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,386 |
| Soccer Team Logos | 0 | - | 4.26 | 370,950 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,371 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,324 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,712 |
| Movie Logos | 0 | - | 4.33 | 235,984 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,793 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,215 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,292 |
| History by Picture - A | 0 | - | 4.25 | 45,468 |
| History by Picture - B | 0 | - | 4.40 | 48,597 |
| History by Picture - C | 0 | - | 4.36 | 54,093 |
| History by Picture - F | 0 | - | 4.35 | 37,593 |
| History by Picture - G | 0 | - | 4.40 | 41,859 |
| History by Picture - D | 0 | - | 4.29 | 44,016 |
| History by Picture - E | 0 | - | 4.27 | 43,636 |
| History by Picture - H | 0 | - | 4.37 | 36,550 |
| History by Picture - K | 0 | - | 4.35 | 33,114 |
| History by Picture - M | 0 | - | 4.17 | 35,921 |
| History by Picture - N | 0 | - | 4.40 | 41,007 |
| History by Picture - O | 0 | - | 4.39 | 36,048 |
| History by Picture - T | 0 | - | 4.20 | 33,102 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,858 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,708 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,498 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,402,839 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,485 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,683 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,952 |
| Foods by Picture | 0 | - | 3.81 | 225,490 |
| Flowers by Picture | 0 | - | 4.46 | 105,020 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,016 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,536 |
| Christmas by Picture | 0 | - | 4.25 | 28,101 |
| Hats by Picture | 0 | - | 4.21 | 17,905 |
| Weapons by Picture | 0 | - | 4.13 | 20,888 |
| Cars by Picture | 0 | - | 3.89 | 41,099 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,231 |
| Authors by Picture | 0 | - | 4.48 | 25,397 |
| Plants by Picture | 0 | - | 4.24 | 14,337 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,491 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,558 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,142 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,212 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,390 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,434 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,101 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,926 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,780 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,910 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,128 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,881 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,462 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,030 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,136 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,931 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,263 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,007 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,959 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,614 |
| Women in History by Picture | 0 | - | 4.25 | 25,765 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,933 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,658 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,703 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,069 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,451 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,184 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,336 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,079 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,352 |
| Geography by Picture - E | 0 | - | 3.55 | 47,282 |
| Landforms by Picture | 0 | - | 4.31 | 20,575 |
| Geography by Picture - I | 0 | - | 4.00 | 39,317 |
| Emoji Flags | 0 | - | 4.35 | 43,820 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,168 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,248 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,759 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,115 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,675 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,048 |
| Airline Logos | 0 | - | 4.45 | 139,980 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,990 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,853 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,743 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,696 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,210 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,032 |
| History by Picture - I | 0 | - | 4.26 | 26,018 |
| History by Picture - J | 0 | - | 4.18 | 26,535 |
| History by Picture - L | 0 | - | 4.18 | 30,569 |
| History by Picture - P | 0 | - | 4.08 | 25,112 |
| History by Picture - Q | 0 | - | 4.03 | 21,924 |
| History by Picture - R | 0 | - | 4.13 | 26,645 |
| History by Picture - S | 0 | - | 4.14 | 27,598 |
| History by Picture - U | 0 | - | 4.24 | 24,948 |
| History by Picture - V | 0 | - | 4.30 | 24,917 |
| History by Picture - W | 0 | - | 4.01 | 21,501 |
| Vegetables by Picture | 0 | - | 4.39 | 62,869 |
