| Famous Foreheads #1 | 0 | - | 4.49 | 67,533 |
| Former Countries by Territory Map | 0 | - | 4.96 | 87,507 |
| Empires by Maps | 0 | - | 4.98 | 97,328 |
| 1940s Celebrities by Picture | 0 | - | 4.45 | 44,738 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 298,523 |
| Name that Historical Figure #2 | 0 | - | 4.44 | 251,532 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 93,064 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,353 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.25 | 65,415 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.23 | 47,541 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.22 | 48,055 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.15 | 66,004 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.01 | 57,154 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.12 | 73,875 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.11 | 66,197 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.13 | 86,110 |
| Women in History by Picture | 0 | - | 4.36 | 23,830 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.28 | 43,273 |
| Famous Foreheads #2 | 0 | - | 3.16 | 14,438 |
| International Footballers by Picture | 0 | - | 4.40 | 46,152 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 217,444 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 142,647 |
| Name that Historical Figure #6 | 0 | - | 4.22 | 80,750 |
| Musicians by Picture #1 | 0 | - | 4.37 | 89,717 |
| Musicians by Picture #2 | 0 | - | 4.24 | 62,697 |
| Musicians by Picture #4 | 0 | - | 4.06 | 54,779 |
| Musicians by Picture #3 | 0 | - | 4.11 | 51,223 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,841 |
| All Country Flags of the World | 0 | - | 5.00 | 3,059,638 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,390,845 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,015,753 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 680,661 |
| 1930s Celebrities by Picture | 0 | - | 4.36 | 11,151 |
| Name that Object #1 | 0 | - | 3.57 | 95,055 |
| Make a Stained Glass Window | 0 | - | 4.99 | 60,191 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.37 | 150,334 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.32 | 122,148 |
| 2000s Celebrities by Picture #1 | 0 | - | 3.90 | 95,155 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.30 | 40,817 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.33 | 42,878 |
| Musicians by Picture #5 | 0 | - | 3.86 | 47,651 |
| Flags with Crescents | 0 | - | 4.98 | 146,500 |
| Country Flag Trivia | 0 | - | 4.81 | 45,365 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 78,148 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,648 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 69,729 |
| Flag Maths | 0 | - | 4.92 | 51,093 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,235 |
| National Soccer Team Logos | 0 | - | 4.84 | 159,048 |
| Old Movies by Picture | 0 | - | 4.51 | 21,966 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 43,446 |
| Years in History by Picture | 0 | - | 4.43 | 30,582 |
| Classic Movies by Movie Posters | 0 | - | 4.43 | 21,702 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.08 | 248,923 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.01 | 139,068 |
| Random Logos Quiz | 0 | - | 4.33 | 192,099 |
| Pictures by Letter - J | 0 | - | 4.27 | 36,557 |
| Pictures by Letter - B | 0 | - | 4.31 | 40,029 |
| Pictures by Letter - D | 0 | - | 4.11 | 34,245 |
| Pictures by Letter - M | 0 | - | 4.24 | 34,728 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.95 | 42,470 |
| Fruits by Picture | 0 | - | 4.20 | 743,573 |
| Geography by Picture - H | 0 | - | 4.51 | 55,640 |
| Geography by Picture - N | 0 | - | 4.46 | 39,953 |
| Geography by Picture - R | 0 | - | 4.54 | 38,940 |
| Geography by Picture - T | 0 | - | 4.56 | 55,259 |
| Flags to Languages | 0 | - | 4.95 | 160,697 |
| All North American Pro Sports Logos | 0 | - | 4.75 | 96,951 |
| History by Picture - N | 0 | - | 4.41 | 37,119 |
| Name that Object #2 | 0 | - | 3.65 | 14,415 |
| Name that Object #3 | 0 | - | 4.00 | 13,335 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.28 | 153,354 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.13 | 132,484 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.86 | 110,158 |
| Rappers by Picture | 0 | - | 4.24 | 115,516 |
| Name the Pixelated Landmark | 0 | - | 4.82 | 56,131 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 478,471 |
| Pictures by Letter - A | 0 | - | 4.08 | 30,403 |
| Pictures by Letter - E | 0 | - | 3.49 | 32,054 |
| Pictures by Letter - C | 0 | - | 4.06 | 27,525 |
| Pictures by Letter - G | 0 | - | 4.07 | 25,436 |
| Pictures by Letter - L | 0 | - | 4.12 | 27,911 |
| Pictures by Letter - F | 0 | - | 4.18 | 26,219 |
| Pictures by Letter - Z | 0 | - | 4.17 | 21,459 |
| Pictures by Letter - Y | 0 | - | 4.19 | 24,057 |
| Pictures by Letter - R | 0 | - | 4.10 | 22,556 |
| Pictures by Letter - K | 0 | - | 4.14 | 22,791 |
| Pictures by Letter - I | 0 | - | 4.15 | 27,635 |
| Pictures by Letter - N | 0 | - | 4.11 | 22,185 |
| Pictures by Letter - P | 0 | - | 4.06 | 23,832 |
| Pictures by Letter - U | 0 | - | 4.09 | 18,775 |
| Pictures by Letter - T | 0 | - | 4.33 | 25,207 |
| Name that Bug | 0 | - | 4.11 | 44,119 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,840 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.18 | 53,818 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 47,142 |
| Elements by Picture | 0 | - | 4.30 | 64,312 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 27,408 |
| Islands by Picture | 0 | - | 4.29 | 94,194 |
| Animals by Skeleton Image | 0 | - | 4.79 | 39,360 |
| Animals by Close-up Image | 0 | - | 4.41 | 205,394 |
| Mammals by Picture #3 | 0 | - | 4.42 | 56,276 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 40,299 |
| Mammals by Picture #1 | 0 | - | 4.75 | 83,470 |
| Famous Canadians by Picture | 0 | - | 4.46 | 30,042 |
| Geography by Picture - A | 0 | - | 4.35 | 57,368 |
| Geography by Picture - B | 0 | - | 4.37 | 52,864 |
| Geography by Picture - D | 0 | - | 4.13 | 43,509 |
| Geography by Picture - F | 0 | - | 4.29 | 48,684 |
| Geography by Picture - G | 0 | - | 4.39 | 45,726 |
| Geography by Picture - J | 0 | - | 4.14 | 36,671 |
| Geography by Picture - C | 0 | - | 4.28 | 54,608 |
| Geography by Picture - L | 0 | - | 4.34 | 56,265 |
| Geography by Picture - M | 0 | - | 4.11 | 38,663 |
| Geography by Picture - P | 0 | - | 4.26 | 40,477 |
| Geography by Picture - S | 0 | - | 4.35 | 44,930 |
| Random Flags Quiz | 0 | - | 4.41 | 259,493 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,732 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,506 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,068 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,321 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,087 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,396 |
| Soccer Team Logos | 0 | - | 4.22 | 335,204 |
| Ultimate Car Logos Quiz | 0 | - | 4.71 | 133,174 |
| Video Game Logos Quiz | 0 | - | 4.37 | 154,002 |
| Movie Logos | 0 | - | 4.29 | 204,336 |
| Brand Logos That Start With M | 0 | - | 4.41 | 50,777 |
| Brand Logos That Start With B | 0 | - | 4.44 | 49,998 |
| Brand Logos That Start with A | 0 | - | 4.52 | 58,161 |
| History by Picture - A | 0 | - | 4.23 | 41,148 |
| History by Picture - B | 0 | - | 4.36 | 43,952 |
| History by Picture - C | 0 | - | 4.36 | 49,128 |
| History by Picture - F | 0 | - | 4.33 | 33,799 |
| History by Picture - G | 0 | - | 4.39 | 38,027 |
| History by Picture - D | 0 | - | 4.32 | 39,812 |
| History by Picture - E | 0 | - | 4.28 | 39,627 |
| History by Picture - H | 0 | - | 4.38 | 32,939 |
| History by Picture - M | 0 | - | 4.19 | 32,745 |
| History by Picture - O | 0 | - | 4.37 | 32,636 |
| Name that Nut, Seed, or Bean | 0 | - | 4.66 | 51,305 |
| Famous Australians by Picture | 0 | - | 4.29 | 25,874 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 117,038 |
| Brand Logos Quiz #1 | 0 | - | 4.81 | 2,158,644 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 97,677 |
| Art Works Picture Quiz #2 | 0 | - | 4.47 | 87,088 |
| Musical Instruments by Picture #1 | 0 | - | 4.54 | 257,551 |
| Foods by Picture | 0 | - | 3.79 | 217,984 |
| Shapes and Symbols #2 | 0 | - | 4.02 | 55,747 |
| Flowers by Picture | 0 | - | 4.46 | 101,792 |
| Junk Foods by Picture | 0 | - | 3.71 | 90,662 |
| Christmas by Picture | 0 | - | 4.28 | 26,326 |
| Hats by Picture | 0 | - | 4.21 | 17,218 |
| Weapons by Picture | 0 | - | 4.07 | 19,330 |
| Cars by Picture | 0 | - | 3.93 | 36,973 |
| Reptile Picture Quiz | 0 | - | 4.27 | 13,241 |
| Authors by Picture | 0 | - | 4.47 | 23,932 |
| Plants by Picture | 0 | - | 4.17 | 13,364 |
| WWII Figures by Picture | 0 | - | 4.87 | 41,789 |
| College Sports Logos Quiz #3 | 0 | - | 4.35 | 47,461 |
| Planets By Picture Quiz | 0 | - | 4.52 | 49,626 |
| Songs by Picture Quiz #1 | 0 | - | 4.66 | 58,264 |
| Songs by Picture Quiz #2 | 0 | - | 4.43 | 52,539 |
| Animals A-Z by Picture | 0 | - | 4.12 | 60,384 |
| Birds by Picture #1 | 0 | - | 4.44 | 35,479 |
| Extinct Animals by Picture | 0 | - | 4.48 | 31,227 |
| Mammals by Picture #2 | 0 | - | 4.27 | 53,465 |
| First Names A - Z by Picture | 0 | - | 4.04 | 17,460 |
| Famous Germans by Picture | 0 | - | 4.09 | 15,715 |
| Famous Italians by Picture | 0 | - | 4.03 | 20,638 |
| Geography by Picture - E | 0 | - | 3.53 | 45,787 |
| Landforms by Picture | 0 | - | 4.33 | 19,188 |
| Geography by Picture - I | 0 | - | 3.97 | 37,842 |
| Geography by Picture - K | 0 | - | 4.26 | 31,390 |
| Emoji Flags | 0 | - | 4.34 | 41,128 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,733 |
| Satellite Images - Island Chains | 0 | - | 4.42 | 58,828 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 63,450 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 26,204 |
| Landmarks Picture Quiz #1 | 0 | - | 4.21 | 363,610 |
| Airline Logos | 0 | - | 4.43 | 129,995 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 229,823 |
| Car Logos Quiz #2 | 0 | - | 4.39 | 218,727 |
| Mostly-American Candy Logos | 0 | - | 4.12 | 140,992 |
| Brand Logos That Start With S | 0 | - | 4.37 | 46,883 |
| Brand Logos That Start With D | 0 | - | 4.35 | 51,294 |
| Brand Logos That Start With L | 0 | - | 4.36 | 49,475 |
| Brand Logos That Start With C | 0 | - | 4.14 | 41,898 |
| Pictures by Letter - H | 0 | - | 3.90 | 28,175 |
| Pictures by Letter - O | 0 | - | 3.98 | 26,610 |
| Pictures by Letter - Q | 0 | - | 3.89 | 18,631 |
| Pictures by Letter - S | 0 | - | 3.86 | 19,003 |
| Pictures by Letter - W | 0 | - | 3.88 | 18,397 |
| Pictures by Letter - V | 0 | - | 3.93 | 16,283 |
| History by Picture - I | 0 | - | 4.27 | 23,408 |
| History by Picture - J | 0 | - | 4.22 | 23,853 |
| History by Picture - K | 0 | - | 4.37 | 29,967 |
| History by Picture - L | 0 | - | 4.21 | 27,797 |
| History by Picture - P | 0 | - | 4.10 | 22,683 |
| History by Picture - Q | 0 | - | 4.02 | 19,854 |
