| Former Countries by Territory Map | 0 | - | 4.96 | 103,047 |
| Empires by Maps | 0 | - | 4.98 | 120,858 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,324 |
| Name that Object #1 | 0 | - | 3.57 | 96,523 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,651 |
| Play-Doh People from History | 0 | - | 4.99 | 94,987 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,721 |
| All Country Flags of the World | 0 | - | 5.00 | 3,676,484 |
| Years in History by Picture | 0 | - | 4.44 | 35,591 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,051 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,360 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,973 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,179 |
| Old Movies by Picture | 0 | - | 4.51 | 25,140 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,105 |
| Name that Object #2 | 0 | - | 3.64 | 15,463 |
| Name that Object #3 | 0 | - | 3.93 | 14,418 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,641 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,657 |
| Flags with Crescents | 0 | - | 4.98 | 169,987 |
| Country Flag Trivia | 0 | - | 4.81 | 57,265 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,057 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,740 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,705 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,445 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,419 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,001 |
| Random Logos Quiz | 0 | - | 4.31 | 208,723 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,519 |
| National Football Team Logos | 0 | - | 4.85 | 180,725 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,497 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,120 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,067 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,665 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,867 |
| Fruits by Picture | 0 | - | 4.19 | 807,836 |
| Geography by Picture - B | 0 | - | 4.42 | 55,662 |
| Geography by Picture - H | 0 | - | 4.50 | 58,272 |
| Geography by Picture - N | 0 | - | 4.45 | 42,241 |
| Geography by Picture - R | 0 | - | 4.56 | 41,063 |
| Geography by Picture - T | 0 | - | 4.54 | 57,889 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,453 |
| Flags to Languages | 0 | - | 4.95 | 173,866 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,546 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,238 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,633 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,120 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,513 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,361 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,827 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,188 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,446 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,551 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,116 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,834 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,749 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,659 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,007 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,489 |
| Name that Bug | 0 | - | 4.12 | 45,582 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,408 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,035 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,764 |
| Elements by Picture | 0 | - | 4.27 | 70,055 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,374 |
| Islands by Picture | 0 | - | 4.28 | 107,196 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,301 |
| Geography by Picture - A | 0 | - | 4.39 | 60,314 |
| Geography by Picture - D | 0 | - | 4.15 | 45,697 |
| Geography by Picture - F | 0 | - | 4.31 | 51,058 |
| Geography by Picture - G | 0 | - | 4.39 | 47,987 |
| Geography by Picture - J | 0 | - | 4.16 | 38,503 |
| Geography by Picture - K | 0 | - | 4.29 | 33,166 |
| Geography by Picture - C | 0 | - | 4.31 | 57,118 |
| Geography by Picture - L | 0 | - | 4.37 | 59,029 |
| Geography by Picture - M | 0 | - | 4.14 | 40,497 |
| Geography by Picture - P | 0 | - | 4.24 | 42,470 |
| Geography by Picture - S | 0 | - | 4.38 | 47,077 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,285 |
| Movie Logos | 0 | - | 4.33 | 239,000 |
| History by Picture - A | 0 | - | 4.26 | 45,904 |
| History by Picture - B | 0 | - | 4.40 | 49,087 |
| History by Picture - C | 0 | - | 4.36 | 54,596 |
| History by Picture - F | 0 | - | 4.35 | 37,972 |
| History by Picture - G | 0 | - | 4.40 | 42,224 |
| History by Picture - D | 0 | - | 4.29 | 44,409 |
| History by Picture - E | 0 | - | 4.25 | 44,024 |
| History by Picture - H | 0 | - | 4.37 | 36,870 |
| History by Picture - K | 0 | - | 4.35 | 33,431 |
| History by Picture - M | 0 | - | 4.17 | 36,218 |
| History by Picture - N | 0 | - | 4.40 | 41,341 |
| History by Picture - O | 0 | - | 4.39 | 36,385 |
| History by Picture - T | 0 | - | 4.20 | 33,382 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,286 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,503 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,749 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,311 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,974 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,546 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,080 |
| International Footballers by Picture | 0 | - | 4.50 | 55,819 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,962 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,927 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,929 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,859 |
| Flag Maths | 0 | - | 4.64 | 57,785 |
| Satellite Images #1 | 0 | - | 4.47 | 129,454 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,376 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,971 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,996 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,028 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,136 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,138 |
| Soccer Team Logos | 0 | - | 4.26 | 375,370 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,525 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,585 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,393 |
| Foods by Picture | 0 | - | 3.81 | 226,240 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,466 |
| Christmas by Picture | 0 | - | 4.26 | 28,199 |
| Hats by Picture | 0 | - | 4.21 | 17,985 |
| Weapons by Picture | 0 | - | 4.13 | 21,087 |
| Cars by Picture | 0 | - | 3.89 | 41,592 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,315 |
| Plants by Picture | 0 | - | 4.24 | 14,472 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,047 |
| Women in History by Picture | 0 | - | 4.25 | 25,953 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,798 |
| Geography by Picture - E | 0 | - | 3.55 | 47,414 |
| Landforms by Picture | 0 | - | 4.31 | 20,697 |
| Geography by Picture - I | 0 | - | 4.00 | 39,461 |
| Geography by Picture - O | 0 | - | 4.01 | 28,168 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,785 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,544 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,285 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,743 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,490 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,012 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,196 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,039 |
| History by Picture - I | 0 | - | 4.24 | 26,294 |
| History by Picture - J | 0 | - | 4.18 | 26,796 |
| History by Picture - L | 0 | - | 4.18 | 30,853 |
| History by Picture - P | 0 | - | 4.08 | 25,349 |
| History by Picture - Q | 0 | - | 4.03 | 22,138 |
| History by Picture - R | 0 | - | 4.13 | 26,910 |
| History by Picture - S | 0 | - | 4.14 | 27,846 |
| History by Picture - U | 0 | - | 4.24 | 25,196 |
| History by Picture - V | 0 | - | 4.30 | 25,173 |
| History by Picture - W | 0 | - | 4.01 | 21,690 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,435 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,503 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,186 |
| Flowers by Picture | 0 | - | 4.46 | 105,720 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,820 |
| Authors by Picture | 0 | - | 4.48 | 25,553 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,239 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,910 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,984 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,144 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,997 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,623 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,580 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,244 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,188 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,777 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,326 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,321 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,527 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,497 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,237 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,833 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,530 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,550 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,731 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,219 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,737 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,387 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,531 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,136 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,699 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,107 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,138 |
| Emoji Flags | 0 | - | 4.35 | 44,145 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,969 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,178 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,436 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,577 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,872 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,842 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,859 |
| Airline Logos | 0 | - | 4.45 | 140,953 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,427,387 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,715 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,310 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,044 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,839 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,170 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,743 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,385 |
