| Famous Foreheads #1 | 0 | - | 4.48 | 70,094 |
| Former Countries by Territory Map | 0 | - | 4.96 | 92,663 |
| Empires by Maps | 0 | - | 4.99 | 105,199 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 45,955 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 306,053 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 258,228 |
| Name that Historical Figure #5 | 0 | - | 4.41 | 97,068 |
| Islands by Shape #2 | 0 | - | 4.88 | 46,614 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 67,125 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 48,916 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 49,201 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.18 | 68,016 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.02 | 58,750 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 75,782 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.12 | 68,336 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.17 | 89,357 |
| Women in History by Picture | 0 | - | 4.31 | 24,544 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 44,308 |
| Famous Foreheads #2 | 0 | - | 3.19 | 14,917 |
| International Footballers by Picture | 0 | - | 4.40 | 49,244 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 223,766 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 147,421 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 84,285 |
| Musicians by Picture #1 | 0 | - | 4.37 | 96,662 |
| Musicians by Picture #2 | 0 | - | 4.24 | 67,717 |
| Musicians by Picture #4 | 0 | - | 4.03 | 58,439 |
| Musicians by Picture #3 | 0 | - | 4.07 | 54,064 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,181 |
| All Country Flags of the World | 0 | - | 5.00 | 3,248,267 |
| Years in History by Picture | 0 | - | 4.44 | 32,021 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,443,305 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,044,898 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 699,675 |
| Name that Object #1 | 0 | - | 3.57 | 95,505 |
| Name that Object #3 | 0 | - | 4.04 | 13,732 |
| Make a Stained Glass Window | 0 | - | 4.99 | 63,171 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.37 | 152,403 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.29 | 124,661 |
| 2000s Celebrities by Picture #1 | 0 | - | 3.90 | 97,633 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.31 | 42,429 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.34 | 44,827 |
| Musicians by Picture #5 | 0 | - | 3.86 | 50,093 |
| Flags with Crescents | 0 | - | 4.98 | 154,080 |
| Country Flag Trivia | 0 | - | 4.81 | 49,765 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 93,310 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 61,727 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 75,635 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 60,128 |
| Flag Maths | 0 | - | 4.92 | 53,834 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.84 | 46,588 |
| National Soccer Team Logos | 0 | - | 4.83 | 166,746 |
| 1930s Celebrities by Picture | 0 | - | 4.30 | 11,446 |
| Old Movies by Picture | 0 | - | 4.51 | 22,925 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 44,618 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 22,776 |
| Celebrity Mugshots Quiz #1 | 0 | - | 4.08 | 251,944 |
| Random Logos Quiz | 0 | - | 4.34 | 197,936 |
| Pictures by Letter - J | 0 | - | 4.27 | 37,847 |
| Pictures by Letter - B | 0 | - | 4.27 | 41,418 |
| Pictures by Letter - D | 0 | - | 4.17 | 35,438 |
| Pictures by Letter - M | 0 | - | 4.21 | 35,896 |
| Fruits by Picture | 0 | - | 4.18 | 761,551 |
| Geography by Picture - B | 0 | - | 4.41 | 53,903 |
| Geography by Picture - H | 0 | - | 4.49 | 56,664 |
| Geography by Picture - N | 0 | - | 4.43 | 40,842 |
| Geography by Picture - R | 0 | - | 4.55 | 39,727 |
| Geography by Picture - T | 0 | - | 4.54 | 56,264 |
| Flags to Languages | 0 | - | 4.95 | 165,002 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 102,840 |
| History by Picture - N | 0 | - | 4.43 | 38,745 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 45,655 |
| Name that Object #2 | 0 | - | 3.65 | 14,721 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.30 | 160,019 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.13 | 138,094 |
| Celebrity Mugshots Quiz #2 | 0 | - | 3.87 | 111,280 |
| Celebrity Mugshots Quiz #3 | 0 | - | 4.00 | 140,659 |
| Rappers by Picture | 0 | - | 4.20 | 122,211 |
| Name the Pixelated Landmark | 0 | - | 4.82 | 58,557 |
| Car Logos Quiz #1 | 0 | - | 4.53 | 497,461 |
| Pictures by Letter - A | 0 | - | 4.11 | 31,401 |
| Pictures by Letter - E | 0 | - | 3.47 | 32,934 |
| Pictures by Letter - C | 0 | - | 4.01 | 28,477 |
| Pictures by Letter - G | 0 | - | 4.10 | 26,404 |
| Pictures by Letter - L | 0 | - | 4.12 | 28,856 |
| Pictures by Letter - F | 0 | - | 4.13 | 27,256 |
| Pictures by Letter - Z | 0 | - | 4.15 | 22,185 |
| Pictures by Letter - Y | 0 | - | 4.19 | 24,841 |
| Pictures by Letter - R | 0 | - | 4.10 | 23,339 |
| Pictures by Letter - K | 0 | - | 4.14 | 23,647 |
| Pictures by Letter - I | 0 | - | 4.16 | 28,668 |
| Pictures by Letter - N | 0 | - | 4.11 | 23,045 |
| Pictures by Letter - P | 0 | - | 4.04 | 24,647 |
| Pictures by Letter - U | 0 | - | 4.07 | 19,501 |
| Pictures by Letter - T | 0 | - | 4.32 | 26,121 |
| Name that Bug | 0 | - | 4.10 | 44,592 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,568 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 55,296 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 48,418 |
| Elements by Picture | 0 | - | 4.28 | 66,425 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,119 |
| Islands by Picture | 0 | - | 4.29 | 99,030 |
| Animals by Skeleton Image | 0 | - | 4.80 | 41,522 |
| Animals by Close-up Image | 0 | - | 4.41 | 209,466 |
| Mammals by Picture #3 | 0 | - | 4.43 | 58,285 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 42,289 |
| Extinct Animals by Picture | 0 | - | 4.48 | 32,569 |
| Mammals by Picture #1 | 0 | - | 4.73 | 86,355 |
| Famous Canadians by Picture | 0 | - | 4.47 | 30,293 |
| Geography by Picture - A | 0 | - | 4.37 | 58,481 |
| Geography by Picture - D | 0 | - | 4.14 | 44,338 |
| Geography by Picture - F | 0 | - | 4.30 | 49,542 |
| Geography by Picture - G | 0 | - | 4.39 | 46,601 |
| 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 | 55,540 |
| Geography by Picture - L | 0 | - | 4.35 | 57,287 |
| 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 | 45,762 |
| Random Flags Quiz | 0 | - | 4.42 | 266,579 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 125,785 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 106,253 |
| Satellite Images Quiz #4 | 0 | - | 4.54 | 86,770 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 47,778 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 37,311 |
| Cities by Picture #1 | 0 | - | 4.70 | 81,237 |
| Soccer Team Logos | 0 | - | 4.25 | 348,459 |
| Ultimate Car Logos Quiz | 0 | - | 4.71 | 151,116 |
| Car Logos Quiz #2 | 0 | - | 4.42 | 243,761 |
| Video Game Logos Quiz | 0 | - | 4.36 | 160,082 |
| Movie Logos | 0 | - | 4.31 | 217,233 |
| Brand Logos That Start With M | 0 | - | 4.42 | 55,269 |
| Brand Logos That Start With B | 0 | - | 4.45 | 53,910 |
| Brand Logos That Start with A | 0 | - | 4.54 | 62,796 |
| History by Picture - A | 0 | - | 4.23 | 42,765 |
| History by Picture - B | 0 | - | 4.38 | 45,666 |
| History by Picture - C | 0 | - | 4.36 | 51,046 |
| History by Picture - F | 0 | - | 4.33 | 35,244 |
| History by Picture - G | 0 | - | 4.39 | 39,453 |
| History by Picture - D | 0 | - | 4.29 | 41,386 |
| History by Picture - E | 0 | - | 4.29 | 41,126 |
| History by Picture - H | 0 | - | 4.37 | 34,337 |
| History by Picture - M | 0 | - | 4.19 | 33,954 |
| History by Picture - O | 0 | - | 4.38 | 33,925 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 53,423 |
| Famous Australians by Picture | 0 | - | 4.24 | 27,071 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 135,854 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 99,603 |
| Art Works Picture Quiz #2 | 0 | - | 4.48 | 88,803 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 261,352 |
| Foods by Picture | 0 | - | 3.79 | 220,703 |
| Shapes and Symbols #2 | 0 | - | 4.03 | 56,224 |
| Flowers by Picture | 0 | - | 4.47 | 102,938 |
| Junk Foods by Picture | 0 | - | 3.69 | 92,623 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 42,807 |
| Christmas by Picture | 0 | - | 4.28 | 26,807 |
| Hats by Picture | 0 | - | 4.21 | 17,500 |
| Weapons by Picture | 0 | - | 4.10 | 19,935 |
| Cars by Picture | 0 | - | 3.92 | 38,498 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,577 |
| Authors by Picture | 0 | - | 4.47 | 24,534 |
| Plants by Picture | 0 | - | 4.20 | 13,727 |
| Fruit and Vegetable Emojis | 0 | - | 4.41 | 68,691 |
| WWII Figures by Picture | 0 | - | 4.83 | 45,014 |
| College Sports Logos Quiz #3 | 0 | - | 4.33 | 50,084 |
| Planets By Picture Quiz | 0 | - | 4.49 | 52,046 |
| Songs by Picture Quiz #1 | 0 | - | 4.65 | 60,732 |
| Animals A-Z by Picture | 0 | - | 4.11 | 62,613 |
| Mammals by Picture #4 | 0 | - | 4.05 | 32,104 |
| Birds by Picture #1 | 0 | - | 4.46 | 37,604 |
| Mammals by Picture #2 | 0 | - | 4.29 | 55,188 |
| First Names A - Z by Picture | 0 | - | 4.05 | 17,860 |
| Famous Germans by Picture | 0 | - | 4.09 | 16,082 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,132 |
| Geography by Picture - E | 0 | - | 3.54 | 46,392 |
| Landforms by Picture | 0 | - | 4.35 | 19,762 |
| Geography by Picture - I | 0 | - | 3.98 | 38,449 |
| Emoji Flags | 0 | - | 4.35 | 42,183 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 71,835 |
| Satellite Images - Island Chains | 0 | - | 4.44 | 61,740 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 66,049 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 26,758 |
| Landmarks Picture Quiz #1 | 0 | - | 4.18 | 369,719 |
| Airline Logos | 0 | - | 4.44 | 134,257 |
| Fast Food Logos Quiz | 0 | - | 4.42 | 236,851 |
| Mostly-American Candy Logos | 0 | - | 4.07 | 147,862 |
| Brand Logos That Start With S | 0 | - | 4.39 | 50,943 |
| Brand Logos That Start With D | 0 | - | 4.33 | 55,223 |
| Brand Logos That Start With L | 0 | - | 4.40 | 53,742 |
| Brand Logos That Start With C | 0 | - | 4.13 | 44,881 |
| Pictures by Letter - H | 0 | - | 3.92 | 29,027 |
| Pictures by Letter - O | 0 | - | 3.99 | 27,409 |
| Pictures by Letter - Q | 0 | - | 3.89 | 19,263 |
| Pictures by Letter - S | 0 | - | 3.85 | 19,698 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,012 |
| Pictures by Letter - V | 0 | - | 3.95 | 16,886 |
| History by Picture - I | 0 | - | 4.26 | 24,390 |
| History by Picture - J | 0 | - | 4.23 | 24,889 |
| History by Picture - K | 0 | - | 4.37 | 31,177 |
| History by Picture - L | 0 | - | 4.21 | 28,859 |
