| Former Countries by Territory Map | 0 | - | 4.96 | 102,649 |
| Empires by Maps | 0 | - | 4.98 | 120,142 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,230 |
| Name that Object #1 | 0 | - | 3.57 | 96,474 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,108 |
| Play-Doh People from History | 0 | - | 4.99 | 94,655 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,484 |
| All Country Flags of the World | 0 | - | 5.00 | 3,653,366 |
| Years in History by Picture | 0 | - | 4.44 | 35,468 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,806 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,452 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,036 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,857 |
| Old Movies by Picture | 0 | - | 4.51 | 25,068 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,975 |
| Name that Object #2 | 0 | - | 3.64 | 15,434 |
| Name that Object #3 | 0 | - | 3.93 | 14,389 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,415 |
| Flags with Crescents | 0 | - | 4.98 | 169,233 |
| Country Flag Trivia | 0 | - | 4.81 | 56,875 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,543 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,319 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,170 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,158 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,095 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,680 |
| Random Logos Quiz | 0 | - | 4.31 | 208,241 |
| National Football Team Logos | 0 | - | 4.85 | 180,120 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,383 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,005 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,927 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,559 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,766 |
| Fruits by Picture | 0 | - | 4.19 | 806,885 |
| Geography by Picture - B | 0 | - | 4.42 | 55,578 |
| Geography by Picture - H | 0 | - | 4.50 | 58,197 |
| Geography by Picture - N | 0 | - | 4.45 | 42,182 |
| Geography by Picture - R | 0 | - | 4.56 | 41,004 |
| Geography by Picture - T | 0 | - | 4.54 | 57,816 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,846 |
| Flags to Languages | 0 | - | 4.95 | 173,483 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,472 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,133 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,539 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,022 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,440 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,280 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,751 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,106 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,368 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,477 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,030 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,768 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,663 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,445 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,238 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,070 |
| Name that Bug | 0 | - | 4.12 | 45,540 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,324 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,910 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,644 |
| Elements by Picture | 0 | - | 4.27 | 69,879 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,293 |
| Islands by Picture | 0 | - | 4.29 | 106,804 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,239 |
| 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 | 50,973 |
| 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 | 57,048 |
| Geography by Picture - L | 0 | - | 4.37 | 58,925 |
| Geography by Picture - M | 0 | - | 4.14 | 40,437 |
| 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 | 183,790 |
| Movie Logos | 0 | - | 4.33 | 238,095 |
| History by Picture - A | 0 | - | 4.26 | 45,776 |
| History by Picture - B | 0 | - | 4.40 | 48,926 |
| History by Picture - C | 0 | - | 4.36 | 54,458 |
| History by Picture - F | 0 | - | 4.35 | 37,869 |
| History by Picture - G | 0 | - | 4.40 | 42,128 |
| History by Picture - D | 0 | - | 4.29 | 44,300 |
| History by Picture - E | 0 | - | 4.27 | 43,915 |
| History by Picture - H | 0 | - | 4.37 | 36,785 |
| History by Picture - K | 0 | - | 4.35 | 33,347 |
| History by Picture - M | 0 | - | 4.17 | 36,139 |
| History by Picture - N | 0 | - | 4.40 | 41,248 |
| History by Picture - O | 0 | - | 4.39 | 36,301 |
| History by Picture - T | 0 | - | 4.20 | 33,304 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,945 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,402 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,684 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,578 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,190 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,713 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,317 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,983 |
| International Footballers by Picture | 0 | - | 4.50 | 55,494 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,296 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,522 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,748 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,129 |
| Flag Maths | 0 | - | 4.64 | 57,751 |
| Satellite Images #1 | 0 | - | 4.47 | 129,318 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,259 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,877 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,882 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,954 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,936 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,900 |
| Soccer Team Logos | 0 | - | 4.26 | 373,965 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,847 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,533 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,663 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,164 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,225 |
| Foods by Picture | 0 | - | 3.81 | 225,999 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,320 |
| Christmas by Picture | 0 | - | 4.26 | 28,159 |
| Hats by Picture | 0 | - | 4.21 | 17,960 |
| Weapons by Picture | 0 | - | 4.13 | 21,040 |
| Cars by Picture | 0 | - | 3.89 | 41,458 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,290 |
| Plants by Picture | 0 | - | 4.24 | 14,430 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,655 |
| Women in History by Picture | 0 | - | 4.25 | 25,904 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,759 |
| Geography by Picture - E | 0 | - | 3.55 | 47,364 |
| Landforms by Picture | 0 | - | 4.31 | 20,663 |
| Geography by Picture - I | 0 | - | 4.00 | 39,410 |
| Geography by Picture - O | 0 | - | 4.01 | 28,127 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,393 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,471 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,190 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,672 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,424 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,943 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,129 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,973 |
| History by Picture - I | 0 | - | 4.26 | 26,221 |
| History by Picture - J | 0 | - | 4.18 | 26,720 |
| 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 | 27,780 |
| History by Picture - U | 0 | - | 4.24 | 25,122 |
| History by Picture - V | 0 | - | 4.30 | 25,093 |
| History by Picture - W | 0 | - | 4.01 | 21,635 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,008 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,212 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,797 |
| Flowers by Picture | 0 | - | 4.46 | 105,609 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,714 |
| Authors by Picture | 0 | - | 4.48 | 25,524 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 86,565 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,658 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,717 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,873 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,800 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,483 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,375 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,074 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,097 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,563 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,188 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,108 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,369 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,391 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,157 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,653 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,351 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,345 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,377 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,130 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,143 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,003 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,206 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,517 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,260 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,782 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,893 |
| Emoji Flags | 0 | - | 4.35 | 44,040 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,805 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,878 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,372 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,314 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,627 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,789 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,303 |
| Airline Logos | 0 | - | 4.45 | 140,598 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,419,752 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,169 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,880 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,485 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,893 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,442 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,035 |
