| Famous Foreheads #1 | 0 | - | 4.48 | 70,085 |
| Former Countries by Territory Map | 0 | - | 4.96 | 92,646 |
| Empires by Maps | 0 | - | 4.99 | 105,170 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 45,950 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 306,021 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 258,200 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 97,052 |
| Islands by Shape #2 | 0 | - | 4.88 | 46,611 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 67,122 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 48,912 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 49,200 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.18 | 68,009 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.02 | 58,742 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 75,775 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.12 | 68,328 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.17 | 89,344 |
| Women in History by Picture | 0 | - | 4.31 | 24,537 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 44,305 |
| Famous Foreheads #2 | 0 | - | 3.19 | 14,917 |
| International Footballers by Picture | 0 | - | 4.40 | 49,232 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 223,740 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 147,400 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 84,270 |
| Musicians by Picture #1 | 0 | - | 4.37 | 96,635 |
| Musicians by Picture #2 | 0 | - | 4.24 | 67,703 |
| Musicians by Picture #4 | 0 | - | 4.03 | 58,427 |
| Musicians by Picture #3 | 0 | - | 4.07 | 54,053 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,169 |
| All Country Flags of the World | 0 | - | 5.00 | 3,247,371 |
| Years in History by Picture | 0 | - | 4.44 | 32,016 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,443,088 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,044,780 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 699,608 |
| Name that Object #1 | 0 | - | 3.57 | 95,502 |
| Name that Object #3 | 0 | - | 4.04 | 13,731 |
| Make a Stained Glass Window | 0 | - | 4.99 | 63,163 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.37 | 152,395 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.29 | 124,648 |
| 2000s Celebrities by Picture #1 | 0 | - | 3.90 | 97,624 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.31 | 42,425 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.34 | 44,822 |
| Musicians by Picture #5 | 0 | - | 3.86 | 50,084 |
| Flags with Crescents | 0 | - | 4.98 | 154,034 |
| Country Flag Trivia | 0 | - | 4.81 | 49,756 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 93,294 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 61,709 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 75,615 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 60,114 |
| Flag Maths | 0 | - | 4.92 | 53,821 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.84 | 46,583 |
| National Soccer Team Logos | 0 | - | 4.82 | 166,718 |
| 1930s Celebrities by Picture | 0 | - | 4.30 | 11,446 |
| Old Movies by Picture | 0 | - | 4.51 | 22,923 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 44,610 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 22,772 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.08 | 251,927 |
| Random Logos Quiz | 0 | - | 4.34 | 197,911 |
| Pictures by Letter - J | 0 | - | 4.27 | 37,844 |
| Pictures by Letter - B | 0 | - | 4.27 | 41,413 |
| Pictures by Letter - D | 0 | - | 4.17 | 35,435 |
| Pictures by Letter - M | 0 | - | 4.21 | 35,893 |
| Fruits by Picture | 0 | - | 4.18 | 761,466 |
| Geography by Picture - B | 0 | - | 4.41 | 53,902 |
| Geography by Picture - H | 0 | - | 4.49 | 56,663 |
| Geography by Picture - N | 0 | - | 4.43 | 40,841 |
| Geography by Picture - R | 0 | - | 4.55 | 39,727 |
| Geography by Picture - T | 0 | - | 4.54 | 56,260 |
| Flags to Languages | 0 | - | 4.95 | 164,988 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 102,825 |
| History by Picture - N | 0 | - | 4.43 | 38,738 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 45,645 |
| Name that Object #2 | 0 | - | 3.65 | 14,720 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.30 | 159,990 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.13 | 138,076 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.87 | 111,269 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.00 | 140,651 |
| Rappers by Picture | 0 | - | 4.20 | 122,188 |
| Name the Pixelated Landmark | 0 | - | 4.82 | 58,548 |
| Car Logos Quiz #1 | 0 | - | 4.53 | 497,404 |
| Pictures by Letter - A | 0 | - | 4.11 | 31,400 |
| Pictures by Letter - E | 0 | - | 3.47 | 32,931 |
| Pictures by Letter - C | 0 | - | 4.01 | 28,474 |
| Pictures by Letter - G | 0 | - | 4.10 | 26,403 |
| Pictures by Letter - L | 0 | - | 4.12 | 28,855 |
| Pictures by Letter - F | 0 | - | 4.13 | 27,253 |
| Pictures by Letter - Z | 0 | - | 4.13 | 22,182 |
| Pictures by Letter - Y | 0 | - | 4.18 | 24,839 |
| Pictures by Letter - R | 0 | - | 4.08 | 23,336 |
| Pictures by Letter - K | 0 | - | 4.15 | 23,645 |
| Pictures by Letter - I | 0 | - | 4.16 | 28,665 |
| Pictures by Letter - N | 0 | - | 4.11 | 23,040 |
| Pictures by Letter - P | 0 | - | 4.04 | 24,643 |
| Pictures by Letter - U | 0 | - | 4.10 | 19,497 |
| Pictures by Letter - T | 0 | - | 4.33 | 26,118 |
| Name that Bug | 0 | - | 4.10 | 44,589 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,566 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 55,287 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 48,409 |
| Elements by Picture | 0 | - | 4.28 | 66,412 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,112 |
| Islands by Picture | 0 | - | 4.29 | 99,008 |
| Animals by Skeleton Image | 0 | - | 4.80 | 41,514 |
| Animals by Close-up Image | 0 | - | 4.41 | 209,455 |
| Mammals by Picture #3 | 0 | - | 4.43 | 58,279 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 42,284 |
| Extinct Animals by Picture | 0 | - | 4.48 | 32,565 |
| Mammals by Picture #1 | 0 | - | 4.73 | 86,347 |
| Famous Canadians by Picture | 0 | - | 4.47 | 30,293 |
| Geography by Picture - A | 0 | - | 4.37 | 58,477 |
| Geography by Picture - D | 0 | - | 4.14 | 44,336 |
| Geography by Picture - F | 0 | - | 4.30 | 49,541 |
| Geography by Picture - G | 0 | - | 4.39 | 46,597 |
| Geography by Picture - J | 0 | - | 4.15 | 37,347 |
| Geography by Picture - K | 0 | - | 4.28 | 32,027 |
| Geography by Picture - C | 0 | - | 4.30 | 55,537 |
| Geography by Picture - L | 0 | - | 4.35 | 57,284 |
| Geography by Picture - M | 0 | - | 4.12 | 39,353 |
| Geography by Picture - P | 0 | - | 4.25 | 41,248 |
| Geography by Picture - S | 0 | - | 4.36 | 45,761 |
| Random Flags Quiz | 0 | - | 4.42 | 266,542 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 125,780 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 106,248 |
| Satellite Images Quiz #4 | 0 | - | 4.54 | 86,764 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 47,771 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 37,308 |
| Cities by Picture #1 | 0 | - | 4.70 | 81,224 |
| Soccer Team Logos | 0 | - | 4.25 | 348,420 |
| Ultimate Car Logos Quiz | 0 | - | 4.71 | 151,042 |
| Car Logos Quiz #2 | 0 | - | 4.41 | 243,731 |
| Video Game Logos Quiz | 0 | - | 4.36 | 160,063 |
| Movie Logos | 0 | - | 4.31 | 217,176 |
| Brand Logos That Start With M | 0 | - | 4.42 | 55,254 |
| Brand Logos That Start With B | 0 | - | 4.45 | 53,897 |
| Brand Logos That Start with A | 0 | - | 4.54 | 62,783 |
| History by Picture - A | 0 | - | 4.23 | 42,754 |
| History by Picture - B | 0 | - | 4.38 | 45,657 |
| History by Picture - C | 0 | - | 4.36 | 51,040 |
| History by Picture - F | 0 | - | 4.33 | 35,235 |
| History by Picture - G | 0 | - | 4.39 | 39,449 |
| History by Picture - D | 0 | - | 4.29 | 41,381 |
| History by Picture - E | 0 | - | 4.29 | 41,121 |
| History by Picture - H | 0 | - | 4.37 | 34,333 |
| History by Picture - M | 0 | - | 4.19 | 33,949 |
| History by Picture - O | 0 | - | 4.38 | 33,920 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 53,405 |
| Famous Australians by Picture | 0 | - | 4.24 | 27,067 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 135,837 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 99,596 |
| Art Works Picture Quiz #2 | 0 | - | 4.48 | 88,799 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 261,330 |
| Foods by Picture | 0 | - | 3.79 | 220,681 |
| Shapes and Symbols #2 | 0 | - | 4.03 | 56,223 |
| Flowers by Picture | 0 | - | 4.47 | 102,932 |
| Junk Foods by Picture | 0 | - | 3.69 | 92,606 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 42,798 |
| Christmas by Picture | 0 | - | 4.28 | 26,806 |
| Hats by Picture | 0 | - | 4.21 | 17,500 |
| Weapons by Picture | 0 | - | 4.10 | 19,931 |
| Cars by Picture | 0 | - | 3.92 | 38,495 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,576 |
| Authors by Picture | 0 | - | 4.47 | 24,532 |
| Plants by Picture | 0 | - | 4.20 | 13,726 |
| Fruit and Vegetable Emojis | 0 | - | 4.41 | 68,681 |
| WWII Figures by Picture | 0 | - | 4.83 | 45,007 |
| College Sports Logos Quiz #3 | 0 | - | 4.33 | 50,076 |
| Planets By Picture Quiz | 0 | - | 4.49 | 52,023 |
| Songs by Picture Quiz #1 | 0 | - | 4.65 | 60,720 |
| Animals A-Z by Picture | 0 | - | 4.11 | 62,605 |
| Mammals by Picture #4 | 0 | - | 4.05 | 32,102 |
| Birds by Picture #1 | 0 | - | 4.46 | 37,598 |
| Mammals by Picture #2 | 0 | - | 4.29 | 55,183 |
| First Names A - Z by Picture | 0 | - | 4.05 | 17,857 |
| Famous Germans by Picture | 0 | - | 4.09 | 16,081 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,132 |
| Geography by Picture - E | 0 | - | 3.54 | 46,392 |
| Landforms by Picture | 0 | - | 4.35 | 19,761 |
| Geography by Picture - I | 0 | - | 3.98 | 38,449 |
| Emoji Flags | 0 | - | 4.35 | 42,181 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 71,831 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 61,721 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 66,035 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 26,755 |
| Landmarks Picture Quiz #1 | 0 | - | 4.18 | 369,696 |
| Airline Logos | 0 | - | 4.44 | 134,241 |
| Fast Food Logos Quiz | 0 | - | 4.42 | 236,822 |
| Mostly-American Candy Logos | 0 | - | 4.07 | 147,820 |
| Brand Logos That Start With S | 0 | - | 4.39 | 50,928 |
| Brand Logos That Start With D | 0 | - | 4.33 | 55,211 |
| Brand Logos That Start With L | 0 | - | 4.40 | 53,726 |
| Brand Logos That Start With C | 0 | - | 4.13 | 44,872 |
| Pictures by Letter - H | 0 | - | 3.92 | 29,025 |
| Pictures by Letter - O | 0 | - | 3.99 | 27,408 |
| Pictures by Letter - Q | 0 | - | 3.89 | 19,259 |
| Pictures by Letter - S | 0 | - | 3.88 | 19,694 |
| Pictures by Letter - W | 0 | - | 3.90 | 19,009 |
| Pictures by Letter - V | 0 | - | 3.95 | 16,881 |
| History by Picture - I | 0 | - | 4.26 | 24,386 |
| History by Picture - J | 0 | - | 4.23 | 24,886 |
| History by Picture - K | 0 | - | 4.37 | 31,171 |
| History by Picture - L | 0 | - | 4.21 | 28,855 |
