| Former Countries by Territory Map | 0 | - | 4.96 | 102,589 |
| Empires by Maps | 0 | - | 4.98 | 120,040 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,206 |
| Name that Object #1 | 0 | - | 3.57 | 96,468 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,003 |
| Play-Doh People from History | 0 | - | 4.99 | 94,615 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,458 |
| All Country Flags of the World | 0 | - | 5.00 | 3,650,376 |
| Years in History by Picture | 0 | - | 4.44 | 35,449 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,777 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,887 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,773 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,679 |
| Old Movies by Picture | 0 | - | 4.51 | 25,056 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,959 |
| 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 | 68,371 |
| Flags with Crescents | 0 | - | 4.98 | 169,142 |
| Country Flag Trivia | 0 | - | 4.81 | 56,823 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,479 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,273 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,098 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,130 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,045 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,645 |
| Random Logos Quiz | 0 | - | 4.31 | 208,178 |
| National Football Team Logos | 0 | - | 4.85 | 180,023 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,363 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,986 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,910 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,545 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,751 |
| Fruits by Picture | 0 | - | 4.19 | 806,758 |
| Geography by Picture - B | 0 | - | 4.42 | 55,561 |
| Geography by Picture - H | 0 | - | 4.50 | 58,184 |
| Geography by Picture - N | 0 | - | 4.45 | 42,174 |
| Geography by Picture - R | 0 | - | 4.56 | 40,992 |
| Geography by Picture - T | 0 | - | 4.54 | 57,808 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,750 |
| Flags to Languages | 0 | - | 4.95 | 173,431 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,459 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,115 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,526 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,004 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,431 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,268 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,739 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,093 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,357 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,468 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,019 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,761 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,651 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,408 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,153 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,727 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,312 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,882 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,616 |
| Elements by Picture | 0 | - | 4.27 | 69,857 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,287 |
| Islands by Picture | 0 | - | 4.29 | 106,764 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,227 |
| Geography by Picture - A | 0 | - | 4.39 | 60,203 |
| Geography by Picture - D | 0 | - | 4.15 | 45,619 |
| Geography by Picture - F | 0 | - | 4.31 | 50,960 |
| Geography by Picture - G | 0 | - | 4.38 | 47,916 |
| Geography by Picture - J | 0 | - | 4.16 | 38,434 |
| Geography by Picture - K | 0 | - | 4.29 | 33,101 |
| Geography by Picture - C | 0 | - | 4.31 | 57,034 |
| Geography by Picture - L | 0 | - | 4.37 | 58,910 |
| Geography by Picture - M | 0 | - | 4.14 | 40,425 |
| Geography by Picture - P | 0 | - | 4.24 | 42,402 |
| Geography by Picture - S | 0 | - | 4.38 | 47,017 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,716 |
| Movie Logos | 0 | - | 4.33 | 237,965 |
| History by Picture - A | 0 | - | 4.26 | 45,762 |
| History by Picture - B | 0 | - | 4.40 | 48,907 |
| History by Picture - C | 0 | - | 4.36 | 54,435 |
| History by Picture - F | 0 | - | 4.35 | 37,855 |
| History by Picture - G | 0 | - | 4.40 | 42,113 |
| History by Picture - D | 0 | - | 4.29 | 44,286 |
| History by Picture - E | 0 | - | 4.27 | 43,897 |
| History by Picture - H | 0 | - | 4.37 | 36,769 |
| History by Picture - K | 0 | - | 4.35 | 33,332 |
| History by Picture - M | 0 | - | 4.17 | 36,127 |
| History by Picture - N | 0 | - | 4.40 | 41,231 |
| History by Picture - O | 0 | - | 4.39 | 36,286 |
| History by Picture - T | 0 | - | 4.20 | 33,292 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,904 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,374 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,636 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,557 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,174 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,689 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,293 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,955 |
| International Footballers by Picture | 0 | - | 4.50 | 55,436 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,206 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,482 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,728 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,032 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Satellite Images #1 | 0 | - | 4.47 | 129,300 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,246 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,868 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,871 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,945 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,903 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,874 |
| Soccer Team Logos | 0 | - | 4.26 | 373,775 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,621 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,399 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,600 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,112 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,188 |
| Foods by Picture | 0 | - | 3.81 | 225,972 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,293 |
| Christmas by Picture | 0 | - | 4.26 | 28,156 |
| Hats by Picture | 0 | - | 4.21 | 17,957 |
| Weapons by Picture | 0 | - | 4.13 | 21,031 |
| Cars by Picture | 0 | - | 3.89 | 41,435 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,286 |
| Plants by Picture | 0 | - | 4.24 | 14,424 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,595 |
| Women in History by Picture | 0 | - | 4.25 | 25,893 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,759 |
| Geography by Picture - E | 0 | - | 3.55 | 47,352 |
| Landforms by Picture | 0 | - | 4.31 | 20,658 |
| Geography by Picture - I | 0 | - | 4.00 | 39,398 |
| Geography by Picture - O | 0 | - | 4.01 | 28,116 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,346 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,459 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,176 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,660 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,414 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,929 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,122 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,964 |
| History by Picture - I | 0 | - | 4.26 | 26,203 |
| History by Picture - J | 0 | - | 4.18 | 26,709 |
| History by Picture - L | 0 | - | 4.18 | 30,762 |
| History by Picture - P | 0 | - | 4.08 | 25,275 |
| History by Picture - Q | 0 | - | 4.03 | 22,069 |
| History by Picture - R | 0 | - | 4.13 | 26,829 |
| History by Picture - S | 0 | - | 4.14 | 27,766 |
| History by Picture - U | 0 | - | 4.24 | 25,109 |
| History by Picture - V | 0 | - | 4.30 | 25,077 |
| History by Picture - W | 0 | - | 4.01 | 21,626 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,981 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,187 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,753 |
| Flowers by Picture | 0 | - | 4.46 | 105,592 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,707 |
| Authors by Picture | 0 | - | 4.48 | 25,517 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 84,126 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,627 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,682 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,849 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,780 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,460 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,338 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,060 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,092 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,540 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,174 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,089 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,335 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,367 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,126 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,612 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,305 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,296 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,158 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,106 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,084 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,951 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,169 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,449 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,213 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,741 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,865 |
| Emoji Flags | 0 | - | 4.35 | 44,020 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,786 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,837 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,365 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,283 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,599 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,785 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,237 |
| Airline Logos | 0 | - | 4.45 | 140,559 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,418,617 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,090 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,790 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,442 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,853 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,395 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,974 |
