| Former Countries by Territory Map | 0 | - | 4.96 | 101,726 |
| Empires by Maps | 0 | - | 4.98 | 118,694 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,016 |
| Name that Object #1 | 0 | - | 3.56 | 96,325 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,919 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,087 |
| All Country Flags of the World | 0 | - | 5.00 | 3,608,395 |
| Years in History by Picture | 0 | - | 4.44 | 35,148 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,291 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,496 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,966 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,069 |
| Old Movies by Picture | 0 | - | 4.51 | 24,841 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,719 |
| Name that Object #2 | 0 | - | 3.64 | 15,339 |
| Name that Object #3 | 0 | - | 3.93 | 14,314 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,877 |
| Flags with Crescents | 0 | - | 4.98 | 167,769 |
| Country Flag Trivia | 0 | - | 4.81 | 56,021 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,543 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,545 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,057 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,539 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,449 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,122 |
| Random Logos Quiz | 0 | - | 4.31 | 207,167 |
| National Football Team Logos | 0 | - | 4.84 | 178,868 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,153 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,750 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,652 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,340 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,547 |
| Fruits by Picture | 0 | - | 4.20 | 804,926 |
| Geography by Picture - B | 0 | - | 4.42 | 55,436 |
| Geography by Picture - H | 0 | - | 4.50 | 58,068 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,889 |
| Geography by Picture - T | 0 | - | 4.54 | 57,694 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,482 |
| Flags to Languages | 0 | - | 4.95 | 172,628 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,300 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,945 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,355 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,832 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,317 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,128 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,606 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,945 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,199 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,339 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,884 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,639 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,502 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,165 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,710 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,762 |
| Name that Bug | 0 | - | 4.12 | 45,460 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,197 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,650 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,438 |
| Elements by Picture | 0 | - | 4.28 | 69,600 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,172 |
| Islands by Picture | 0 | - | 4.29 | 106,011 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,075 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,517 |
| Geography by Picture - F | 0 | - | 4.31 | 50,846 |
| Geography by Picture - G | 0 | - | 4.38 | 47,813 |
| Geography by Picture - J | 0 | - | 4.16 | 38,349 |
| Geography by Picture - K | 0 | - | 4.29 | 33,030 |
| Geography by Picture - C | 0 | - | 4.31 | 56,927 |
| Geography by Picture - L | 0 | - | 4.37 | 58,782 |
| Geography by Picture - M | 0 | - | 4.14 | 40,356 |
| Geography by Picture - P | 0 | - | 4.24 | 42,317 |
| Geography by Picture - S | 0 | - | 4.38 | 46,929 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,808 |
| Movie Logos | 0 | - | 4.33 | 236,163 |
| History by Picture - A | 0 | - | 4.25 | 45,490 |
| History by Picture - B | 0 | - | 4.40 | 48,617 |
| History by Picture - C | 0 | - | 4.36 | 54,122 |
| History by Picture - F | 0 | - | 4.35 | 37,619 |
| History by Picture - G | 0 | - | 4.40 | 41,882 |
| History by Picture - D | 0 | - | 4.29 | 44,041 |
| History by Picture - E | 0 | - | 4.27 | 43,658 |
| History by Picture - H | 0 | - | 4.37 | 36,570 |
| History by Picture - K | 0 | - | 4.35 | 33,138 |
| History by Picture - M | 0 | - | 4.17 | 35,937 |
| History by Picture - N | 0 | - | 4.40 | 41,025 |
| History by Picture - O | 0 | - | 4.39 | 36,070 |
| History by Picture - T | 0 | - | 4.20 | 33,119 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,362 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,040 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,978 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,291 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,952 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,181 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,903 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,797 |
| International Footballers by Picture | 0 | - | 4.50 | 54,841 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,858 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,735 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,342 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,605 |
| Flag Maths | 0 | - | 4.78 | 57,687 |
| Satellite Images #1 | 0 | - | 4.46 | 129,054 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,021 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,673 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,678 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,825 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,512 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,425 |
| Soccer Team Logos | 0 | - | 4.26 | 371,199 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 176,663 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,511 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,876 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,289 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,386 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,903 |
| Foods by Picture | 0 | - | 3.81 | 225,553 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,058 |
| Christmas by Picture | 0 | - | 4.25 | 28,111 |
| Hats by Picture | 0 | - | 4.21 | 17,908 |
| Weapons by Picture | 0 | - | 4.13 | 20,898 |
| Cars by Picture | 0 | - | 3.89 | 41,126 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,237 |
| Plants by Picture | 0 | - | 4.24 | 14,354 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,833 |
| Women in History by Picture | 0 | - | 4.25 | 25,774 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,668 |
| Geography by Picture - E | 0 | - | 3.55 | 47,291 |
| Landforms by Picture | 0 | - | 4.31 | 20,582 |
| Geography by Picture - I | 0 | - | 4.00 | 39,330 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,582 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,300 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,014 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,533 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,297 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,805 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,012 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,857 |
| History by Picture - I | 0 | - | 4.26 | 26,038 |
| History by Picture - J | 0 | - | 4.18 | 26,552 |
| History by Picture - L | 0 | - | 4.18 | 30,584 |
| History by Picture - P | 0 | - | 4.08 | 25,125 |
| History by Picture - Q | 0 | - | 4.03 | 21,935 |
| History by Picture - R | 0 | - | 4.13 | 26,664 |
| History by Picture - S | 0 | - | 4.14 | 27,614 |
| History by Picture - U | 0 | - | 4.24 | 24,961 |
| History by Picture - V | 0 | - | 4.30 | 24,932 |
| History by Picture - W | 0 | - | 4.01 | 21,506 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,536 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,749 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,034 |
| Flowers by Picture | 0 | - | 4.46 | 105,039 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,554 |
| Authors by Picture | 0 | - | 4.48 | 25,405 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,571 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,204 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,265 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,435 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,467 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,132 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,969 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,803 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,927 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,181 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,908 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,496 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,063 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,156 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,946 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,290 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,033 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,987 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,667 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,950 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,806 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,139 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,500 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,305 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,417 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,138 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,396 |
| Emoji Flags | 0 | - | 4.35 | 43,841 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,236 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,262 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,792 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,150 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,680 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,155 |
| Airline Logos | 0 | - | 4.45 | 140,027 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,404,289 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,116 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,975 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,817 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,786 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,298 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,089 |
| Vegetables by Picture | 0 | - | 4.39 | 62,913 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,894 |
