| Birds by Picture #2 | 0 | - | 4.33 | 35,989 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,459 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,352 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,895 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,960 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,280 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,947 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,169 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,121 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,956 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,798 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,925 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,905 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,604 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,028 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,743 |
| Name that Bug | 0 | - | 4.12 | 45,459 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,460 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,416 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,691 |
| Empires by Maps | 0 | - | 4.98 | 118,661 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,513 |
| Animals of Australia | 0 | - | 4.52 | 42,169 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,012 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,236 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,893 |
| Play-Doh People from History | 0 | - | 4.99 | 93,938 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,369 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,779 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,560 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,083 |
| All Country Flags of the World | 0 | - | 5.00 | 3,606,905 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,295 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,846 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,992 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,865 |
| Flags with Crescents | 0 | - | 4.98 | 167,718 |
| Country Flag Trivia | 0 | - | 4.81 | 56,003 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,523 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,534 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,024 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,521 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,440 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,102 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,708 |
| National Football Team Logos | 0 | - | 4.84 | 178,829 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,087 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,040 |
| National Animals | 0 | - | 4.24 | 89,174 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,649 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,339 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,448 |
| Years in History by Picture | 0 | - | 4.44 | 35,137 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,281 |
| Flags to Languages | 0 | - | 4.95 | 172,598 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,298 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,825 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,163 |
| Disney Animals | 0 | - | 4.27 | 238,737 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,461 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,237 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,344 |
| Fruits by Picture | 0 | - | 4.20 | 804,866 |
| Old Movies by Picture | 0 | - | 4.51 | 24,833 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,711 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,665 |
| Geography by Picture - B | 0 | - | 4.42 | 55,431 |
| Geography by Picture - H | 0 | - | 4.49 | 58,064 |
| Geography by Picture - N | 0 | - | 4.45 | 42,060 |
| Geography by Picture - R | 0 | - | 4.55 | 40,886 |
| Geography by Picture - T | 0 | - | 4.54 | 57,692 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,504 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,635 |
| Random Logos Quiz | 0 | - | 4.32 | 207,136 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,442 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,145 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,739 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,644 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,328 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,541 |
| Animals in the Bible | 0 | - | 4.83 | 35,875 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,079 |
| Animals in World History | 0 | - | 4.74 | 44,241 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,534 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,486 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,195 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,645 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,431 |
| Elements by Picture | 0 | - | 4.28 | 69,584 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,172 |
| Islands by Picture | 0 | - | 4.29 | 105,991 |
| Name that Object #1 | 0 | - | 3.56 | 96,319 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,067 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,585 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,798 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,872 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,790 |
| International Footballers by Picture | 0 | - | 4.50 | 54,829 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,817 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,712 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,331 |
| Geography by Picture - A | 0 | - | 4.39 | 60,064 |
| Geography by Picture - D | 0 | - | 4.15 | 45,512 |
| Geography by Picture - F | 0 | - | 4.31 | 50,842 |
| Geography by Picture - G | 0 | - | 4.38 | 47,806 |
| Geography by Picture - J | 0 | - | 4.16 | 38,345 |
| Geography by Picture - K | 0 | - | 4.28 | 33,028 |
| Geography by Picture - C | 0 | - | 4.31 | 56,925 |
| Geography by Picture - L | 0 | - | 4.37 | 58,778 |
| Geography by Picture - M | 0 | - | 4.14 | 40,354 |
| Geography by Picture - P | 0 | - | 4.24 | 42,313 |
| Geography by Picture - S | 0 | - | 4.38 | 46,926 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,552 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,557 |
| Flag Maths | 0 | - | 4.78 | 57,685 |
| Satellite Images #1 | 0 | - | 4.46 | 129,044 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,014 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,671 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,580 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,673 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,821 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,415 |
| Soccer Team Logos | 0 | - | 4.26 | 371,134 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,906 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,561 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,456 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,783 |
| Movie Logos | 0 | - | 4.33 | 236,117 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,846 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,265 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,354 |
| History by Picture - A | 0 | - | 4.25 | 45,480 |
| History by Picture - B | 0 | - | 4.40 | 48,607 |
| History by Picture - C | 0 | - | 4.36 | 54,108 |
| History by Picture - F | 0 | - | 4.35 | 37,606 |
| History by Picture - G | 0 | - | 4.40 | 41,873 |
| History by Picture - D | 0 | - | 4.29 | 44,029 |
| History by Picture - E | 0 | - | 4.27 | 43,648 |
| History by Picture - H | 0 | - | 4.37 | 36,563 |
| History by Picture - K | 0 | - | 4.35 | 33,124 |
| History by Picture - M | 0 | - | 4.17 | 35,933 |
| History by Picture - N | 0 | - | 4.40 | 41,019 |
| History by Picture - O | 0 | - | 4.39 | 36,064 |
| History by Picture - T | 0 | - | 4.20 | 33,112 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,896 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,643 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,623 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,527 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,790 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,815 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,895 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,179 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,518 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,722 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,016 |
| Flowers by Picture | 0 | - | 4.46 | 105,032 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Name that Object #2 | 0 | - | 3.64 | 15,337 |
| Authors by Picture | 0 | - | 4.48 | 25,405 |
| Name that Object #3 | 0 | - | 3.93 | 14,312 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,538 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,194 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,250 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,426 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,457 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,486 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,057 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,151 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,942 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,280 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,026 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,981 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,654 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,945 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,768 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,114 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,481 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,272 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,399 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,125 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,386 |
| Emoji Flags | 0 | - | 4.35 | 43,835 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,028 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,499 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,221 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,257 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,783 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,139 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,677 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,129 |
| Airline Logos | 0 | - | 4.45 | 140,012 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,082 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,929 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,797 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,754 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,272 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,070 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,295 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,940 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,351 |
