| Former Countries by Territory Map | 0 | - | 4.96 | 102,661 |
| Empires by Maps | 0 | - | 4.98 | 120,158 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,230 |
| Name that Object #1 | 0 | - | 3.57 | 96,475 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,116 |
| Play-Doh People from History | 0 | - | 4.99 | 94,664 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,494 |
| All Country Flags of the World | 0 | - | 5.00 | 3,653,927 |
| Years in History by Picture | 0 | - | 4.44 | 35,470 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,815 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,538 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,073 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,886 |
| Old Movies by Picture | 0 | - | 4.51 | 25,069 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,977 |
| Name that Object #2 | 0 | - | 3.64 | 15,435 |
| Name that Object #3 | 0 | - | 3.93 | 14,390 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,423 |
| Flags with Crescents | 0 | - | 4.98 | 169,262 |
| Country Flag Trivia | 0 | - | 4.81 | 56,881 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,556 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,326 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,181 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,163 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,098 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,687 |
| Random Logos Quiz | 0 | - | 4.31 | 208,249 |
| National Football Team Logos | 0 | - | 4.85 | 180,128 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,386 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,007 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,931 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,562 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,768 |
| Fruits by Picture | 0 | - | 4.19 | 806,902 |
| Geography by Picture - B | 0 | - | 4.42 | 55,579 |
| Geography by Picture - H | 0 | - | 4.50 | 58,199 |
| Geography by Picture - N | 0 | - | 4.45 | 42,183 |
| Geography by Picture - R | 0 | - | 4.56 | 41,004 |
| Geography by Picture - T | 0 | - | 4.54 | 57,818 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,862 |
| Flags to Languages | 0 | - | 4.95 | 173,492 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,474 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,136 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,540 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,023 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,441 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,282 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,752 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,107 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,371 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,478 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,031 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,770 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,665 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,451 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,250 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,124 |
| Name that Bug | 0 | - | 4.12 | 45,543 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,328 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,922 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,659 |
| Elements by Picture | 0 | - | 4.27 | 69,883 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,296 |
| Islands by Picture | 0 | - | 4.29 | 106,811 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,241 |
| Geography by Picture - A | 0 | - | 4.39 | 60,220 |
| Geography by Picture - D | 0 | - | 4.15 | 45,638 |
| Geography by Picture - F | 0 | - | 4.31 | 50,975 |
| Geography by Picture - G | 0 | - | 4.38 | 47,927 |
| Geography by Picture - J | 0 | - | 4.16 | 38,448 |
| Geography by Picture - K | 0 | - | 4.29 | 33,112 |
| Geography by Picture - C | 0 | - | 4.31 | 57,049 |
| Geography by Picture - L | 0 | - | 4.37 | 58,926 |
| Geography by Picture - M | 0 | - | 4.14 | 40,439 |
| Geography by Picture - P | 0 | - | 4.24 | 42,414 |
| Geography by Picture - S | 0 | - | 4.38 | 47,027 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,807 |
| Movie Logos | 0 | - | 4.33 | 238,118 |
| History by Picture - A | 0 | - | 4.26 | 45,777 |
| History by Picture - B | 0 | - | 4.40 | 48,928 |
| History by Picture - C | 0 | - | 4.36 | 54,460 |
| History by Picture - F | 0 | - | 4.35 | 37,870 |
| History by Picture - G | 0 | - | 4.40 | 42,130 |
| History by Picture - D | 0 | - | 4.29 | 44,301 |
| History by Picture - E | 0 | - | 4.27 | 43,918 |
| History by Picture - H | 0 | - | 4.37 | 36,786 |
| History by Picture - K | 0 | - | 4.35 | 33,348 |
| History by Picture - M | 0 | - | 4.17 | 36,140 |
| History by Picture - N | 0 | - | 4.40 | 41,249 |
| History by Picture - O | 0 | - | 4.39 | 36,304 |
| History by Picture - T | 0 | - | 4.20 | 33,306 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,954 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,408 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,694 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,580 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,192 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,719 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,323 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,992 |
| International Footballers by Picture | 0 | - | 4.50 | 55,502 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,306 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,529 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,750 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,155 |
| Flag Maths | 0 | - | 4.64 | 57,752 |
| Satellite Images #1 | 0 | - | 4.47 | 129,319 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,264 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,878 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,883 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,955 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,941 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,909 |
| Soccer Team Logos | 0 | - | 4.26 | 373,990 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,870 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,576 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,675 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,178 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,229 |
| Foods by Picture | 0 | - | 3.81 | 226,008 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,323 |
| Christmas by Picture | 0 | - | 4.26 | 28,159 |
| Hats by Picture | 0 | - | 4.21 | 17,960 |
| Weapons by Picture | 0 | - | 4.13 | 21,041 |
| Cars by Picture | 0 | - | 3.89 | 41,460 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,290 |
| Plants by Picture | 0 | - | 4.24 | 14,431 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,664 |
| Women in History by Picture | 0 | - | 4.25 | 25,906 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,762 |
| Geography by Picture - E | 0 | - | 3.55 | 47,364 |
| Landforms by Picture | 0 | - | 4.31 | 20,664 |
| Geography by Picture - I | 0 | - | 4.00 | 39,410 |
| Geography by Picture - O | 0 | - | 4.01 | 28,128 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,400 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,472 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,192 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,674 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,425 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,945 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,130 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,973 |
| History by Picture - I | 0 | - | 4.26 | 26,223 |
| History by Picture - J | 0 | - | 4.18 | 26,721 |
| History by Picture - L | 0 | - | 4.18 | 30,775 |
| History by Picture - P | 0 | - | 4.08 | 25,285 |
| History by Picture - Q | 0 | - | 4.03 | 22,077 |
| History by Picture - R | 0 | - | 4.13 | 26,840 |
| History by Picture - S | 0 | - | 4.14 | 27,781 |
| History by Picture - U | 0 | - | 4.24 | 25,124 |
| History by Picture - V | 0 | - | 4.30 | 25,098 |
| History by Picture - W | 0 | - | 4.01 | 21,636 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,012 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,218 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,803 |
| Flowers by Picture | 0 | - | 4.46 | 105,610 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,715 |
| Authors by Picture | 0 | - | 4.48 | 25,524 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 86,874 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,663 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,728 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,877 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,803 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,483 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,377 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,076 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,100 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,565 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,190 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,113 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,375 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,398 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,163 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,672 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,375 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,364 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,444 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,135 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,156 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,008 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,211 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,535 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,270 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,792 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,900 |
| Emoji Flags | 0 | - | 4.35 | 44,042 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,811 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,888 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,373 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,319 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,635 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,790 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,313 |
| Airline Logos | 0 | - | 4.45 | 140,605 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,419,902 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,183 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,893 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,501 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,899 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,450 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,045 |
