| Pictures by Letter - A | 0 | - | 4.17 | 33,079 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,678 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,556 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,260 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,486 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,285 |
| Empires by Maps | 0 | - | 4.98 | 118,117 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,248 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,875 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,294 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,761 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,083 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,554 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,890 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,143 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,297 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,832 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,584 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,439 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,941 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,533 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,940 |
| All Country Flags of the World | 0 | - | 5.00 | 3,593,354 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,252 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,958 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,495 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,263 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,753 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,967 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,816 |
| Years in History by Picture | 0 | - | 4.44 | 35,041 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,113 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,471 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,557 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,061 |
| Name that Object #1 | 0 | - | 3.56 | 96,259 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,707 |
| Flags with Crescents | 0 | - | 4.98 | 167,241 |
| Country Flag Trivia | 0 | - | 4.81 | 55,757 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,213 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,330 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,708 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,325 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,253 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,920 |
| National Football Team Logos | 0 | - | 4.84 | 178,368 |
| Old Movies by Picture | 0 | - | 4.51 | 24,747 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,622 |
| Random Logos Quiz | 0 | - | 4.32 | 206,832 |
| Fruits by Picture | 0 | - | 4.20 | 804,272 |
| Geography by Picture - B | 0 | - | 4.42 | 55,382 |
| Geography by Picture - H | 0 | - | 4.49 | 58,015 |
| Geography by Picture - N | 0 | - | 4.45 | 42,030 |
| Geography by Picture - R | 0 | - | 4.55 | 40,862 |
| Geography by Picture - T | 0 | - | 4.54 | 57,647 |
| Flags to Languages | 0 | - | 4.95 | 172,322 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 112,950 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,135 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,147 |
| Name that Object #2 | 0 | - | 3.64 | 15,295 |
| Name that Object #3 | 0 | - | 3.93 | 14,280 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,754 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,199 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,335 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 530,954 |
| Name that Bug | 0 | - | 4.12 | 45,430 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,166 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,575 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,369 |
| Elements by Picture | 0 | - | 4.27 | 69,477 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,136 |
| Islands by Picture | 0 | - | 4.29 | 105,728 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 23,997 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,906 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,465 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,176 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,874 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,013 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,730 |
| International Footballers by Picture | 0 | - | 4.50 | 54,559 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,279 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,466 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,225 |
| Geography by Picture - A | 0 | - | 4.39 | 60,016 |
| Geography by Picture - D | 0 | - | 4.15 | 45,465 |
| Geography by Picture - F | 0 | - | 4.31 | 50,804 |
| Geography by Picture - G | 0 | - | 4.38 | 47,773 |
| Geography by Picture - J | 0 | - | 4.16 | 38,313 |
| Geography by Picture - K | 0 | - | 4.28 | 32,995 |
| Geography by Picture - C | 0 | - | 4.31 | 56,890 |
| Geography by Picture - L | 0 | - | 4.37 | 58,727 |
| Geography by Picture - M | 0 | - | 4.14 | 40,326 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,893 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,039 |
| Flag Maths | 0 | - | 4.78 | 57,663 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,952 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,950 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,615 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,612 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,774 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,260 |
| Soccer Team Logos | 0 | - | 4.26 | 370,155 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,587 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,821 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,437 |
| Movie Logos | 0 | - | 4.33 | 235,458 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,619 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,070 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,108 |
| History by Picture - A | 0 | - | 4.25 | 45,407 |
| History by Picture - B | 0 | - | 4.40 | 48,517 |
| History by Picture - C | 0 | - | 4.36 | 54,021 |
| History by Picture - F | 0 | - | 4.35 | 37,535 |
| History by Picture - G | 0 | - | 4.40 | 41,787 |
| History by Picture - D | 0 | - | 4.32 | 43,954 |
| History by Picture - E | 0 | - | 4.27 | 43,575 |
| History by Picture - H | 0 | - | 4.37 | 36,481 |
| History by Picture - K | 0 | - | 4.35 | 33,061 |
| History by Picture - M | 0 | - | 4.17 | 35,868 |
| History by Picture - N | 0 | - | 4.40 | 40,946 |
| History by Picture - O | 0 | - | 4.39 | 35,981 |
| History by Picture - T | 0 | - | 4.20 | 33,043 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,774 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,302 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,305 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,398,525 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,372 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,532 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,769 |
| Foods by Picture | 0 | - | 3.81 | 225,373 |
| Flowers by Picture | 0 | - | 4.46 | 104,974 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,931 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,500 |
| Christmas by Picture | 0 | - | 4.25 | 28,091 |
| Hats by Picture | 0 | - | 4.21 | 17,896 |
| Weapons by Picture | 0 | - | 4.13 | 20,855 |
| Cars by Picture | 0 | - | 3.89 | 41,026 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,215 |
| Authors by Picture | 0 | - | 4.48 | 25,380 |
| Plants by Picture | 0 | - | 4.24 | 14,326 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,330 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,390 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,956 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,083 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,251 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,332 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,024 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,833 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,711 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,864 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,033 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,797 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,340 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,959 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,071 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,887 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,173 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,918 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,863 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,464 |
| Women in History by Picture | 0 | - | 4.25 | 25,738 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,890 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,636 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,430 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,860 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,293 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,873 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,122 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,909 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,239 |
| Geography by Picture - E | 0 | - | 3.55 | 47,266 |
| Landforms by Picture | 0 | - | 4.31 | 20,564 |
| Geography by Picture - I | 0 | - | 4.00 | 39,303 |
| Emoji Flags | 0 | - | 4.35 | 43,782 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,416 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,014 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,211 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,674 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,020 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,649 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,769 |
| Airline Logos | 0 | - | 4.45 | 139,845 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,711 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,607 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,559 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,533 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,050 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,938 |
| History by Picture - I | 0 | - | 4.26 | 25,963 |
| History by Picture - J | 0 | - | 4.23 | 26,485 |
| History by Picture - L | 0 | - | 4.18 | 30,516 |
| History by Picture - P | 0 | - | 4.08 | 25,071 |
| History by Picture - Q | 0 | - | 4.03 | 21,886 |
| History by Picture - R | 0 | - | 4.13 | 26,593 |
| History by Picture - S | 0 | - | 4.14 | 27,547 |
| History by Picture - U | 0 | - | 4.24 | 24,892 |
| History by Picture - V | 0 | - | 4.30 | 24,867 |
| History by Picture - W | 0 | - | 4.01 | 21,462 |
| Vegetables by Picture | 0 | - | 4.39 | 62,761 |
