| Former Countries by Territory Map | 0 | - | 4.96 | 102,615 |
| Empires by Maps | 0 | - | 4.98 | 120,078 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,211 |
| Name that Object #1 | 0 | - | 3.57 | 96,469 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,014 |
| Play-Doh People from History | 0 | - | 4.99 | 94,625 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,466 |
| All Country Flags of the World | 0 | - | 5.00 | 3,651,242 |
| Years in History by Picture | 0 | - | 4.44 | 35,456 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,783 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,031 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,839 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,727 |
| Old Movies by Picture | 0 | - | 4.51 | 25,059 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,963 |
| 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 | 68,387 |
| Flags with Crescents | 0 | - | 4.98 | 169,168 |
| Country Flag Trivia | 0 | - | 4.81 | 56,839 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,494 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,287 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,115 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,139 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,055 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,653 |
| Random Logos Quiz | 0 | - | 4.31 | 208,196 |
| National Football Team Logos | 0 | - | 4.85 | 180,039 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,371 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,991 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,914 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,549 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,755 |
| Fruits by Picture | 0 | - | 4.19 | 806,803 |
| Geography by Picture - B | 0 | - | 4.42 | 55,565 |
| Geography by Picture - H | 0 | - | 4.50 | 58,189 |
| Geography by Picture - N | 0 | - | 4.45 | 42,176 |
| Geography by Picture - R | 0 | - | 4.56 | 40,994 |
| Geography by Picture - T | 0 | - | 4.54 | 57,810 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,783 |
| Flags to Languages | 0 | - | 4.95 | 173,447 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,462 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,121 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,526 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,008 |
| 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 | 24,743 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,095 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,358 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,470 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,022 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,761 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,655 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,417 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,186 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,803 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,317 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,890 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,622 |
| Elements by Picture | 0 | - | 4.27 | 69,864 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,289 |
| Islands by Picture | 0 | - | 4.29 | 106,774 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,229 |
| Geography by Picture - A | 0 | - | 4.39 | 60,207 |
| Geography by Picture - D | 0 | - | 4.15 | 45,622 |
| Geography by Picture - F | 0 | - | 4.31 | 50,962 |
| Geography by Picture - G | 0 | - | 4.38 | 47,918 |
| Geography by Picture - J | 0 | - | 4.16 | 38,438 |
| Geography by Picture - K | 0 | - | 4.29 | 33,103 |
| Geography by Picture - C | 0 | - | 4.31 | 57,037 |
| Geography by Picture - L | 0 | - | 4.37 | 58,915 |
| Geography by Picture - M | 0 | - | 4.14 | 40,426 |
| Geography by Picture - P | 0 | - | 4.24 | 42,404 |
| Geography by Picture - S | 0 | - | 4.38 | 47,019 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,742 |
| Movie Logos | 0 | - | 4.33 | 238,010 |
| History by Picture - A | 0 | - | 4.26 | 45,766 |
| History by Picture - B | 0 | - | 4.40 | 48,912 |
| History by Picture - C | 0 | - | 4.36 | 54,442 |
| History by Picture - F | 0 | - | 4.35 | 37,858 |
| History by Picture - G | 0 | - | 4.40 | 42,114 |
| History by Picture - D | 0 | - | 4.29 | 44,290 |
| History by Picture - E | 0 | - | 4.27 | 43,902 |
| History by Picture - H | 0 | - | 4.37 | 36,773 |
| History by Picture - K | 0 | - | 4.35 | 33,335 |
| History by Picture - M | 0 | - | 4.17 | 36,129 |
| History by Picture - N | 0 | - | 4.40 | 41,235 |
| History by Picture - O | 0 | - | 4.39 | 36,297 |
| History by Picture - T | 0 | - | 4.20 | 33,297 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,916 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,380 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,657 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,566 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,181 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,694 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,301 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,961 |
| International Footballers by Picture | 0 | - | 4.50 | 55,447 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,237 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,499 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,733 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,062 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Satellite Images #1 | 0 | - | 4.47 | 129,308 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,249 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,870 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,873 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,946 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,908 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,878 |
| Soccer Team Logos | 0 | - | 4.26 | 373,815 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,676 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,424 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,617 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,126 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,201 |
| Foods by Picture | 0 | - | 3.81 | 225,983 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,303 |
| Christmas by Picture | 0 | - | 4.26 | 28,157 |
| Hats by Picture | 0 | - | 4.21 | 17,958 |
| Weapons by Picture | 0 | - | 4.13 | 21,037 |
| Cars by Picture | 0 | - | 3.89 | 41,441 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,289 |
| Plants by Picture | 0 | - | 4.24 | 14,428 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,619 |
| Women in History by Picture | 0 | - | 4.25 | 25,897 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,759 |
| Geography by Picture - E | 0 | - | 3.55 | 47,354 |
| Landforms by Picture | 0 | - | 4.31 | 20,660 |
| Geography by Picture - I | 0 | - | 4.00 | 39,401 |
| Geography by Picture - O | 0 | - | 4.01 | 28,118 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,360 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,461 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,178 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,664 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,416 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,933 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,123 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,967 |
| History by Picture - I | 0 | - | 4.26 | 26,208 |
| History by Picture - J | 0 | - | 4.18 | 26,712 |
| History by Picture - L | 0 | - | 4.18 | 30,764 |
| History by Picture - P | 0 | - | 4.08 | 25,278 |
| History by Picture - Q | 0 | - | 4.03 | 22,072 |
| History by Picture - R | 0 | - | 4.13 | 26,833 |
| History by Picture - S | 0 | - | 4.14 | 27,770 |
| History by Picture - U | 0 | - | 4.24 | 25,115 |
| History by Picture - V | 0 | - | 4.30 | 25,080 |
| History by Picture - W | 0 | - | 4.01 | 21,629 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,991 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,195 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,769 |
| Flowers by Picture | 0 | - | 4.46 | 105,601 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,710 |
| Authors by Picture | 0 | - | 4.48 | 25,519 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 85,288 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,630 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,696 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,855 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,788 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,466 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,345 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,063 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,093 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,546 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,180 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,096 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,343 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,374 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,131 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,622 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,315 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,305 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,180 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,112 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,108 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,972 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,182 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,463 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,227 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,755 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,873 |
| Emoji Flags | 0 | - | 4.35 | 44,028 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,789 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,848 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,366 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,296 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,608 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,787 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,258 |
| Airline Logos | 0 | - | 4.45 | 140,572 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,418,916 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,115 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,815 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,454 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,865 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,413 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,989 |
