| Former Countries by Territory Map | 0 | - | 4.96 | 103,534 |
| Empires by Maps | 0 | - | 4.98 | 121,562 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,461 |
| Name that Object #1 | 0 | - | 3.57 | 96,586 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,151 |
| Play-Doh People from History | 0 | - | 4.99 | 95,383 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,982 |
| All Country Flags of the World | 0 | - | 5.00 | 3,703,373 |
| Years in History by Picture | 0 | - | 4.44 | 35,722 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,314 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,975 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,263 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,824 |
| Old Movies by Picture | 0 | - | 4.51 | 25,228 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,264 |
| Name that Object #2 | 0 | - | 3.64 | 15,507 |
| Name that Object #3 | 0 | - | 3.93 | 14,450 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,849 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,933 |
| Flags with Crescents | 0 | - | 4.98 | 171,039 |
| Country Flag Trivia | 0 | - | 4.81 | 57,819 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,691 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,243 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,354 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,794 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,830 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,367 |
| Random Logos Quiz | 0 | - | 4.33 | 209,192 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,355 |
| National Football Team Logos | 0 | - | 4.85 | 181,476 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,604 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,240 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,212 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,766 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,966 |
| Fruits by Picture | 0 | - | 4.19 | 808,836 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,350 |
| Geography by Picture - N | 0 | - | 4.45 | 42,319 |
| Geography by Picture - R | 0 | - | 4.56 | 41,123 |
| Geography by Picture - T | 0 | - | 4.54 | 57,968 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,078 |
| Flags to Languages | 0 | - | 4.95 | 174,339 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,626 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,347 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,728 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,231 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,576 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,428 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,894 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,267 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,541 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,623 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,178 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,906 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,824 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,932 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,909 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,097 |
| Name that Bug | 0 | - | 4.12 | 45,615 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,478 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,217 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,935 |
| Elements by Picture | 0 | - | 4.27 | 70,256 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,481 |
| Islands by Picture | 0 | - | 4.28 | 107,614 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,425 |
| Geography by Picture - A | 0 | - | 4.39 | 60,399 |
| Geography by Picture - D | 0 | - | 4.15 | 45,765 |
| Geography by Picture - F | 0 | - | 4.31 | 51,142 |
| Geography by Picture - G | 0 | - | 4.39 | 48,057 |
| Geography by Picture - J | 0 | - | 4.16 | 38,571 |
| Geography by Picture - K | 0 | - | 4.29 | 33,228 |
| Geography by Picture - C | 0 | - | 4.31 | 57,205 |
| Geography by Picture - L | 0 | - | 4.37 | 59,101 |
| Geography by Picture - M | 0 | - | 4.14 | 40,560 |
| Geography by Picture - P | 0 | - | 4.24 | 42,538 |
| Geography by Picture - S | 0 | - | 4.38 | 47,157 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,793 |
| Movie Logos | 0 | - | 4.33 | 239,986 |
| History by Picture - A | 0 | - | 4.26 | 46,075 |
| History by Picture - B | 0 | - | 4.40 | 49,262 |
| History by Picture - C | 0 | - | 4.36 | 54,790 |
| History by Picture - F | 0 | - | 4.35 | 38,126 |
| History by Picture - G | 0 | - | 4.40 | 42,361 |
| History by Picture - D | 0 | - | 4.29 | 44,580 |
| History by Picture - E | 0 | - | 4.25 | 44,160 |
| History by Picture - H | 0 | - | 4.37 | 37,016 |
| History by Picture - K | 0 | - | 4.35 | 33,556 |
| History by Picture - M | 0 | - | 4.17 | 36,337 |
| History by Picture - N | 0 | - | 4.40 | 41,473 |
| History by Picture - O | 0 | - | 4.39 | 36,503 |
| History by Picture - T | 0 | - | 4.20 | 33,491 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,905 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,951 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,440 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,331 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,781 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,168 |
| International Footballers by Picture | 0 | - | 4.51 | 56,260 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,724 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,385 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,111 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,767 |
| Flag Maths | 0 | - | 4.61 | 57,822 |
| Satellite Images #1 | 0 | - | 4.47 | 129,874 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,589 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,146 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,163 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,159 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,364 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,478 |
| Soccer Team Logos | 0 | - | 4.26 | 376,959 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,478 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,001 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,593 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,629 |
| Foods by Picture | 0 | - | 3.81 | 226,465 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,613 |
| Christmas by Picture | 0 | - | 4.26 | 28,222 |
| Hats by Picture | 0 | - | 4.21 | 18,009 |
| Weapons by Picture | 0 | - | 4.13 | 21,157 |
| Cars by Picture | 0 | - | 3.89 | 41,752 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,364 |
| Plants by Picture | 0 | - | 4.24 | 14,514 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,529 |
| Women in History by Picture | 0 | - | 4.25 | 26,012 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,839 |
| Geography by Picture - E | 0 | - | 3.55 | 47,473 |
| Landforms by Picture | 0 | - | 4.31 | 20,737 |
| Geography by Picture - I | 0 | - | 4.00 | 39,516 |
| Geography by Picture - O | 0 | - | 4.01 | 28,224 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,271 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,632 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,370 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,814 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,549 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,082 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,261 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,091 |
| History by Picture - I | 0 | - | 4.24 | 26,401 |
| History by Picture - J | 0 | - | 4.18 | 26,895 |
| History by Picture - L | 0 | - | 4.18 | 30,961 |
| History by Picture - P | 0 | - | 4.08 | 25,440 |
| History by Picture - Q | 0 | - | 4.03 | 22,224 |
| History by Picture - R | 0 | - | 4.13 | 27,010 |
| History by Picture - S | 0 | - | 4.14 | 27,942 |
| History by Picture - U | 0 | - | 4.25 | 25,288 |
| History by Picture - V | 0 | - | 4.31 | 25,266 |
| History by Picture - W | 0 | - | 4.01 | 21,782 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,716 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,765 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,627 |
| Flowers by Picture | 0 | - | 4.46 | 105,825 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,927 |
| Authors by Picture | 0 | - | 4.48 | 25,616 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,751 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,099 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,264 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,420 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,233 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,998 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,787 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,446 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,293 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,977 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,494 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,710 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,690 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,622 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,332 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,051 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,709 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,761 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,995 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,321 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,401 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,865 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,900 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,801 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,208 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,472 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,448 |
| Emoji Flags | 0 | - | 4.35 | 44,254 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,175 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,518 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,588 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,860 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,172 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,915 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,462 |
| Airline Logos | 0 | - | 4.45 | 141,301 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,435,231 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,247 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,763 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,395 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,136 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,505 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,069 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,767 |
