| Former Countries by Territory Map | 0 | - | 4.96 | 102,640 |
| Empires by Maps | 0 | - | 4.98 | 120,122 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,225 |
| Name that Object #1 | 0 | - | 3.57 | 96,472 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,087 |
| Play-Doh People from History | 0 | - | 4.99 | 94,640 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,479 |
| All Country Flags of the World | 0 | - | 5.00 | 3,652,822 |
| Years in History by Picture | 0 | - | 4.44 | 35,458 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,797 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,298 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,954 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,807 |
| Old Movies by Picture | 0 | - | 4.51 | 25,066 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,971 |
| Name that Object #2 | 0 | - | 3.64 | 15,434 |
| Name that Object #3 | 0 | - | 3.93 | 14,388 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,409 |
| Flags with Crescents | 0 | - | 4.98 | 169,211 |
| Country Flag Trivia | 0 | - | 4.81 | 56,869 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,527 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,309 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,151 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,154 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,079 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,674 |
| Random Logos Quiz | 0 | - | 4.31 | 208,226 |
| National Football Team Logos | 0 | - | 4.85 | 180,093 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,381 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,000 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,924 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,556 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,763 |
| Fruits by Picture | 0 | - | 4.19 | 806,858 |
| Geography by Picture - B | 0 | - | 4.42 | 55,575 |
| Geography by Picture - H | 0 | - | 4.50 | 58,196 |
| Geography by Picture - N | 0 | - | 4.45 | 42,181 |
| Geography by Picture - R | 0 | - | 4.56 | 41,003 |
| Geography by Picture - T | 0 | - | 4.54 | 57,814 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,813 |
| Flags to Languages | 0 | - | 4.95 | 173,472 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,470 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,131 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,538 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,017 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,437 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,276 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,749 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,105 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,365 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,475 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,029 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,766 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,662 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,439 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,227 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,008 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,322 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,903 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,637 |
| Elements by Picture | 0 | - | 4.27 | 69,875 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,292 |
| Islands by Picture | 0 | - | 4.29 | 106,795 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,236 |
| Geography by Picture - A | 0 | - | 4.39 | 60,215 |
| Geography by Picture - D | 0 | - | 4.15 | 45,634 |
| Geography by Picture - F | 0 | - | 4.31 | 50,972 |
| Geography by Picture - G | 0 | - | 4.38 | 47,925 |
| Geography by Picture - J | 0 | - | 4.16 | 38,447 |
| Geography by Picture - K | 0 | - | 4.29 | 33,111 |
| Geography by Picture - C | 0 | - | 4.31 | 57,045 |
| Geography by Picture - L | 0 | - | 4.37 | 58,924 |
| Geography by Picture - M | 0 | - | 4.14 | 40,435 |
| Geography by Picture - P | 0 | - | 4.24 | 42,413 |
| Geography by Picture - S | 0 | - | 4.38 | 47,025 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,781 |
| Movie Logos | 0 | - | 4.33 | 238,074 |
| History by Picture - A | 0 | - | 4.26 | 45,772 |
| History by Picture - B | 0 | - | 4.40 | 48,921 |
| History by Picture - C | 0 | - | 4.36 | 54,453 |
| History by Picture - F | 0 | - | 4.35 | 37,865 |
| History by Picture - G | 0 | - | 4.40 | 42,122 |
| History by Picture - D | 0 | - | 4.29 | 44,295 |
| History by Picture - E | 0 | - | 4.27 | 43,910 |
| History by Picture - H | 0 | - | 4.37 | 36,778 |
| History by Picture - K | 0 | - | 4.35 | 33,343 |
| History by Picture - M | 0 | - | 4.17 | 36,135 |
| History by Picture - N | 0 | - | 4.40 | 41,243 |
| History by Picture - O | 0 | - | 4.39 | 36,300 |
| History by Picture - T | 0 | - | 4.20 | 33,301 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,941 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,394 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,680 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,576 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,187 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,706 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,311 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,976 |
| International Footballers by Picture | 0 | - | 4.50 | 55,477 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,277 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,518 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,745 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,108 |
| Flag Maths | 0 | - | 4.64 | 57,749 |
| Satellite Images #1 | 0 | - | 4.47 | 129,317 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,257 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,875 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,879 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,952 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,929 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,894 |
| Soccer Team Logos | 0 | - | 4.26 | 373,930 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,801 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,504 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,654 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,147 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,218 |
| Foods by Picture | 0 | - | 3.81 | 225,993 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,314 |
| Christmas by Picture | 0 | - | 4.26 | 28,157 |
| Hats by Picture | 0 | - | 4.21 | 17,960 |
| Weapons by Picture | 0 | - | 4.13 | 21,040 |
| Cars by Picture | 0 | - | 3.89 | 41,456 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,289 |
| Plants by Picture | 0 | - | 4.24 | 14,429 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,646 |
| Women in History by Picture | 0 | - | 4.25 | 25,902 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,759 |
| Geography by Picture - E | 0 | - | 3.55 | 47,361 |
| Landforms by Picture | 0 | - | 4.31 | 20,662 |
| Geography by Picture - I | 0 | - | 4.00 | 39,409 |
| Geography by Picture - O | 0 | - | 4.01 | 28,126 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,383 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,469 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,188 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,671 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,421 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,939 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,127 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,972 |
| History by Picture - I | 0 | - | 4.26 | 26,215 |
| History by Picture - J | 0 | - | 4.18 | 26,714 |
| History by Picture - L | 0 | - | 4.18 | 30,771 |
| History by Picture - P | 0 | - | 4.08 | 25,280 |
| History by Picture - Q | 0 | - | 4.03 | 22,074 |
| History by Picture - R | 0 | - | 4.13 | 26,837 |
| History by Picture - S | 0 | - | 4.14 | 27,775 |
| History by Picture - U | 0 | - | 4.24 | 25,118 |
| History by Picture - V | 0 | - | 4.30 | 25,088 |
| History by Picture - W | 0 | - | 4.01 | 21,633 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,003 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,207 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,790 |
| Flowers by Picture | 0 | - | 4.46 | 105,607 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,714 |
| Authors by Picture | 0 | - | 4.48 | 25,522 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 86,244 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,648 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,715 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,869 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,798 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,476 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,371 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,071 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,096 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,555 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,187 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,106 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,360 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,387 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,145 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,647 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,340 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,333 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,311 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,126 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,133 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,995 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,200 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,502 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,249 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,776 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,888 |
| Emoji Flags | 0 | - | 4.35 | 44,037 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,798 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,871 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,369 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,309 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,623 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,789 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,289 |
| Airline Logos | 0 | - | 4.45 | 140,593 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,419,526 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,156 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,845 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,473 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,885 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,429 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,017 |
