| Former Countries by Territory Map | 0 | - | 4.96 | 101,324 |
| Empires by Maps | 0 | - | 4.98 | 118,179 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,949 |
| Name that Object #1 | 0 | - | 3.56 | 96,270 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,590 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,952 |
| All Country Flags of the World | 0 | - | 5.00 | 3,594,762 |
| Years in History by Picture | 0 | - | 4.44 | 35,052 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,127 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,723 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,668 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,146 |
| Old Movies by Picture | 0 | - | 4.51 | 24,756 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,625 |
| Name that Object #2 | 0 | - | 3.64 | 15,303 |
| Name that Object #3 | 0 | - | 3.93 | 14,288 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,713 |
| Flags with Crescents | 0 | - | 4.98 | 167,301 |
| Country Flag Trivia | 0 | - | 4.81 | 55,793 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,254 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,346 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,746 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,355 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,282 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,941 |
| Random Logos Quiz | 0 | - | 4.32 | 206,866 |
| National Football Team Logos | 0 | - | 4.84 | 178,422 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,088 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,684 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,568 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,270 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,493 |
| Fruits by Picture | 0 | - | 4.20 | 804,323 |
| Geography by Picture - B | 0 | - | 4.42 | 55,385 |
| Geography by Picture - H | 0 | - | 4.49 | 58,018 |
| Geography by Picture - N | 0 | - | 4.45 | 42,032 |
| Geography by Picture - R | 0 | - | 4.55 | 40,866 |
| Geography by Picture - T | 0 | - | 4.54 | 57,649 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 112,988 |
| Flags to Languages | 0 | - | 4.95 | 172,343 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,254 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,882 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,298 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,769 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,276 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,086 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,556 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,896 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,152 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,300 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,833 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,585 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,443 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,137 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,241 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,134 |
| Name that Bug | 0 | - | 4.12 | 45,434 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,582 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,371 |
| Elements by Picture | 0 | - | 4.27 | 69,489 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,140 |
| Islands by Picture | 0 | - | 4.29 | 105,766 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,003 |
| Geography by Picture - A | 0 | - | 4.39 | 60,021 |
| Geography by Picture - D | 0 | - | 4.15 | 45,467 |
| Geography by Picture - F | 0 | - | 4.31 | 50,807 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,315 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,891 |
| Geography by Picture - L | 0 | - | 4.37 | 58,731 |
| Geography by Picture - M | 0 | - | 4.14 | 40,328 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,894 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,472 |
| Movie Logos | 0 | - | 4.33 | 235,511 |
| History by Picture - A | 0 | - | 4.25 | 45,417 |
| History by Picture - B | 0 | - | 4.40 | 48,531 |
| History by Picture - C | 0 | - | 4.36 | 54,031 |
| History by Picture - F | 0 | - | 4.35 | 37,543 |
| History by Picture - G | 0 | - | 4.40 | 41,799 |
| History by Picture - D | 0 | - | 4.32 | 43,962 |
| History by Picture - E | 0 | - | 4.27 | 43,585 |
| History by Picture - H | 0 | - | 4.37 | 36,494 |
| History by Picture - K | 0 | - | 4.35 | 33,070 |
| History by Picture - M | 0 | - | 4.17 | 35,877 |
| History by Picture - N | 0 | - | 4.40 | 40,959 |
| History by Picture - O | 0 | - | 4.39 | 35,993 |
| History by Picture - T | 0 | - | 4.20 | 33,054 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,170 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,923 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,487 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,185 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,881 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,035 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,766 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,733 |
| International Footballers by Picture | 0 | - | 4.50 | 54,589 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,335 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,491 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,236 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,093 |
| Flag Maths | 0 | - | 4.78 | 57,664 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,959 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,954 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,616 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,617 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,775 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,359 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,284 |
| Soccer Team Logos | 0 | - | 4.26 | 370,250 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,689 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,899 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,647 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,091 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,136 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,782 |
| Foods by Picture | 0 | - | 3.81 | 225,388 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,938 |
| Christmas by Picture | 0 | - | 4.25 | 28,094 |
| Hats by Picture | 0 | - | 4.21 | 17,899 |
| Weapons by Picture | 0 | - | 4.13 | 20,858 |
| Cars by Picture | 0 | - | 3.89 | 41,036 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,217 |
| Plants by Picture | 0 | - | 4.24 | 14,328 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,337 |
| Women in History by Picture | 0 | - | 4.25 | 25,744 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,639 |
| Geography by Picture - E | 0 | - | 3.55 | 47,268 |
| Landforms by Picture | 0 | - | 4.31 | 20,565 |
| Geography by Picture - I | 0 | - | 4.00 | 39,304 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,326 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,257 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,961 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,498 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,264 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,754 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,968 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,817 |
| History by Picture - I | 0 | - | 4.26 | 25,972 |
| History by Picture - J | 0 | - | 4.23 | 26,494 |
| History by Picture - L | 0 | - | 4.18 | 30,527 |
| History by Picture - P | 0 | - | 4.08 | 25,081 |
| History by Picture - Q | 0 | - | 4.03 | 21,895 |
| History by Picture - R | 0 | - | 4.13 | 26,601 |
| History by Picture - S | 0 | - | 4.14 | 27,556 |
| History by Picture - U | 0 | - | 4.24 | 24,900 |
| History by Picture - V | 0 | - | 4.30 | 24,874 |
| History by Picture - W | 0 | - | 4.01 | 21,470 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,395 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,557 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,781 |
| Flowers by Picture | 0 | - | 4.46 | 104,983 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,510 |
| Authors by Picture | 0 | - | 4.48 | 25,383 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,351 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,969 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,099 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,270 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,343 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,035 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,843 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,725 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,868 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,049 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,807 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,353 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,968 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,075 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,894 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,184 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,931 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,874 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,491 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,895 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,466 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,889 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,316 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,911 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,153 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,929 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,250 |
| Emoji Flags | 0 | - | 4.35 | 43,789 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,036 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,214 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,685 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,027 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,655 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,801 |
| Airline Logos | 0 | - | 4.45 | 139,865 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,094 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,750 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,647 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,578 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,558 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,077 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,953 |
| Vegetables by Picture | 0 | - | 4.39 | 62,774 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,783 |
