| Former Countries by Territory Map | 0 | - | 4.96 | 102,689 |
| Empires by Maps | 0 | - | 4.98 | 120,235 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,847 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,233 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,158 |
| Play-Doh People from History | 0 | - | 4.99 | 94,684 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,525 |
| All Country Flags of the World | 0 | - | 5.00 | 3,655,914 |
| Years in History by Picture | 0 | - | 4.44 | 35,476 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,828 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,855 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,235 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,980 |
| Name that Object #1 | 0 | - | 3.57 | 96,479 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,446 |
| Flags with Crescents | 0 | - | 4.98 | 169,318 |
| Country Flag Trivia | 0 | - | 4.81 | 56,915 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,590 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,369 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,220 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,187 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,126 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,712 |
| National Football Team Logos | 0 | - | 4.85 | 180,173 |
| Pokémon by Picture | 0 | - | 4.38 | 73,726 |
| Old Movies by Picture | 0 | - | 4.51 | 25,075 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,984 |
| Random Logos Quiz | 0 | - | 4.31 | 208,283 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,397 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,020 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,945 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,569 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,781 |
| Fruits by Picture | 0 | - | 4.19 | 806,987 |
| Geography by Picture - B | 0 | - | 4.42 | 55,587 |
| Geography by Picture - H | 0 | - | 4.50 | 58,210 |
| Geography by Picture - N | 0 | - | 4.45 | 42,188 |
| Geography by Picture - R | 0 | - | 4.56 | 41,009 |
| Geography by Picture - T | 0 | - | 4.54 | 57,824 |
| Flags to Languages | 0 | - | 4.95 | 173,520 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,902 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,472 |
| Original 151 Pokémon | 0 | - | 4.96 | 789,418 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,987 |
| Name that Object #2 | 0 | - | 3.64 | 15,437 |
| Name that Object #3 | 0 | - | 3.93 | 14,393 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,336 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,309 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,957 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,325 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,483 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,149 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,552 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,037 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,450 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,287 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,758 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,117 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,379 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,488 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,041 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,776 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,671 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 134,408 |
| Name that Bug | 0 | - | 4.12 | 45,547 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,332 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,929 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,669 |
| Elements by Picture | 0 | - | 4.27 | 69,899 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,301 |
| Islands by Picture | 0 | - | 4.29 | 106,836 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,248 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,427 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,723 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,593 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,201 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,737 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,996 |
| International Footballers by Picture | 0 | - | 4.50 | 55,529 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,360 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,554 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,768 |
| Geography by Picture - A | 0 | - | 4.39 | 60,230 |
| Geography by Picture - D | 0 | - | 4.15 | 45,645 |
| Geography by Picture - F | 0 | - | 4.31 | 50,983 |
| Geography by Picture - G | 0 | - | 4.38 | 47,935 |
| Geography by Picture - J | 0 | - | 4.16 | 38,453 |
| Geography by Picture - K | 0 | - | 4.29 | 33,116 |
| Geography by Picture - C | 0 | - | 4.31 | 57,054 |
| Geography by Picture - L | 0 | - | 4.37 | 58,937 |
| Geography by Picture - M | 0 | - | 4.14 | 40,446 |
| Geography by Picture - P | 0 | - | 4.24 | 42,422 |
| Geography by Picture - S | 0 | - | 4.38 | 47,033 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,204 |
| Flag Maths | 0 | - | 4.64 | 57,753 |
| Satellite Images #1 | 0 | - | 4.47 | 129,330 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,269 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,886 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,890 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,963 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,924 |
| Soccer Team Logos | 0 | - | 4.26 | 374,103 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 180,003 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,643 |
| Movie Logos | 0 | - | 4.33 | 238,198 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,724 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,197 |
| History by Picture - A | 0 | - | 4.26 | 45,786 |
| History by Picture - B | 0 | - | 4.40 | 48,942 |
| History by Picture - C | 0 | - | 4.36 | 54,471 |
| History by Picture - F | 0 | - | 4.35 | 37,877 |
| History by Picture - G | 0 | - | 4.40 | 42,138 |
| History by Picture - D | 0 | - | 4.29 | 44,308 |
| History by Picture - E | 0 | - | 4.25 | 43,925 |
| History by Picture - H | 0 | - | 4.37 | 36,793 |
| History by Picture - K | 0 | - | 4.35 | 33,356 |
| History by Picture - M | 0 | - | 4.17 | 36,144 |
| History by Picture - N | 0 | - | 4.40 | 41,254 |
| History by Picture - O | 0 | - | 4.39 | 36,314 |
| History by Picture - T | 0 | - | 4.20 | 33,311 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,242 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,950 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,696 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,429 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,420,565 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,041 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,243 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,829 |
| Foods by Picture | 0 | - | 3.81 | 226,025 |
| Flowers by Picture | 0 | - | 4.46 | 105,613 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,333 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,725 |
| Christmas by Picture | 0 | - | 4.26 | 28,160 |
| Hats by Picture | 0 | - | 4.21 | 17,961 |
| Weapons by Picture | 0 | - | 4.13 | 21,045 |
| Cars by Picture | 0 | - | 3.89 | 41,471 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,291 |
| Authors by Picture | 0 | - | 4.48 | 25,527 |
| Plants by Picture | 0 | - | 4.24 | 14,435 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 87,871 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,331 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,681 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,754 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,897 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,815 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,495 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,390 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,083 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,107 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,576 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,200 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,129 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,385 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,403 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,166 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,681 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,388 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,379 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,517 |
| Women in History by Picture | 0 | - | 4.25 | 25,908 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,141 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,762 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,203 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,035 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,231 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,590 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,293 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,813 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,919 |
| Geography by Picture - E | 0 | - | 3.55 | 47,369 |
| Landforms by Picture | 0 | - | 4.31 | 20,667 |
| Geography by Picture - I | 0 | - | 4.00 | 39,414 |
| Geography by Picture - O | 0 | - | 4.01 | 28,134 |
| Emoji Flags | 0 | - | 4.35 | 44,048 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,824 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,911 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,377 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,338 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,656 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,795 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,351 |
| Airline Logos | 0 | - | 4.45 | 140,628 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,211 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,928 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,526 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,916 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,464 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,064 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,606 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,480 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,202 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,681 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,432 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,949 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,136 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,980 |
| History by Picture - I | 0 | - | 4.24 | 26,227 |
| History by Picture - J | 0 | - | 4.18 | 26,725 |
| History by Picture - L | 0 | - | 4.18 | 30,778 |
| History by Picture - P | 0 | - | 4.08 | 25,290 |
