| Former Countries by Territory Map | 0 | - | 4.96 | 102,572 |
| Empires by Maps | 0 | - | 4.98 | 120,001 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,690 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,204 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,980 |
| Play-Doh People from History | 0 | - | 4.99 | 94,601 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,444 |
| All Country Flags of the World | 0 | - | 5.00 | 3,649,456 |
| Years in History by Picture | 0 | - | 4.44 | 35,445 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,765 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,716 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,661 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,598 |
| Name that Object #1 | 0 | - | 3.57 | 96,467 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,361 |
| Flags with Crescents | 0 | - | 4.98 | 169,116 |
| Country Flag Trivia | 0 | - | 4.81 | 56,808 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,454 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,256 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,065 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,120 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,027 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,631 |
| National Football Team Logos | 0 | - | 4.85 | 179,991 |
| Pokémon by Picture | 0 | - | 4.41 | 73,546 |
| Old Movies by Picture | 0 | - | 4.51 | 25,055 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,956 |
| Random Logos Quiz | 0 | - | 4.31 | 208,159 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,361 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,980 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,907 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,544 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,747 |
| Fruits by Picture | 0 | - | 4.19 | 806,723 |
| Geography by Picture - B | 0 | - | 4.42 | 55,560 |
| Geography by Picture - H | 0 | - | 4.50 | 58,183 |
| Geography by Picture - N | 0 | - | 4.45 | 42,173 |
| Geography by Picture - R | 0 | - | 4.56 | 40,989 |
| Geography by Picture - T | 0 | - | 4.54 | 57,806 |
| Flags to Languages | 0 | - | 4.95 | 173,418 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,708 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,400 |
| Original 151 Pokémon | 0 | - | 4.96 | 788,913 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,897 |
| Name that Object #2 | 0 | - | 3.64 | 15,433 |
| Name that Object #3 | 0 | - | 3.93 | 14,386 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,284 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,123 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,895 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,611 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,457 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,113 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,521 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,001 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,426 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,264 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,737 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,091 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,354 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,467 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,015 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,758 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,650 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 134,302 |
| Name that Bug | 0 | - | 4.12 | 45,537 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,311 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,877 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,613 |
| Elements by Picture | 0 | - | 4.27 | 69,846 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,285 |
| Islands by Picture | 0 | - | 4.29 | 106,749 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,220 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,361 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,615 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,549 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,164 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,672 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,953 |
| International Footballers by Picture | 0 | - | 4.50 | 55,427 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,185 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,472 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,719 |
| Geography by Picture - A | 0 | - | 4.39 | 60,201 |
| Geography by Picture - D | 0 | - | 4.15 | 45,616 |
| Geography by Picture - F | 0 | - | 4.31 | 50,956 |
| Geography by Picture - G | 0 | - | 4.38 | 47,914 |
| Geography by Picture - J | 0 | - | 4.16 | 38,433 |
| Geography by Picture - K | 0 | - | 4.29 | 33,100 |
| Geography by Picture - C | 0 | - | 4.31 | 57,033 |
| Geography by Picture - L | 0 | - | 4.37 | 58,908 |
| Geography by Picture - M | 0 | - | 4.14 | 40,424 |
| Geography by Picture - P | 0 | - | 4.24 | 42,401 |
| Geography by Picture - S | 0 | - | 4.38 | 47,016 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,012 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Satellite Images #1 | 0 | - | 4.47 | 129,290 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,243 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,865 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,866 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,941 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,864 |
| Soccer Team Logos | 0 | - | 4.26 | 373,707 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,559 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,345 |
| Movie Logos | 0 | - | 4.33 | 237,909 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,581 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,092 |
| History by Picture - A | 0 | - | 4.26 | 45,751 |
| History by Picture - B | 0 | - | 4.40 | 48,902 |
| History by Picture - C | 0 | - | 4.36 | 54,427 |
| History by Picture - F | 0 | - | 4.35 | 37,849 |
| History by Picture - G | 0 | - | 4.40 | 42,106 |
| History by Picture - D | 0 | - | 4.29 | 44,278 |
| History by Picture - E | 0 | - | 4.27 | 43,888 |
| History by Picture - H | 0 | - | 4.37 | 36,761 |
| History by Picture - K | 0 | - | 4.35 | 33,328 |
| History by Picture - M | 0 | - | 4.17 | 36,121 |
| History by Picture - N | 0 | - | 4.40 | 41,226 |
| History by Picture - O | 0 | - | 4.39 | 36,283 |
| History by Picture - T | 0 | - | 4.20 | 33,285 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,182 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,916 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,579 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,328 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,418,208 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,970 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,177 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,732 |
| Foods by Picture | 0 | - | 3.81 | 225,963 |
| Flowers by Picture | 0 | - | 4.46 | 105,587 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,286 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,702 |
| Christmas by Picture | 0 | - | 4.26 | 28,154 |
| Hats by Picture | 0 | - | 4.21 | 17,955 |
| Weapons by Picture | 0 | - | 4.13 | 21,027 |
| Cars by Picture | 0 | - | 3.89 | 41,425 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,285 |
| Authors by Picture | 0 | - | 4.48 | 25,514 |
| Plants by Picture | 0 | - | 4.24 | 14,423 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 82,642 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,171 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,618 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,668 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,839 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,768 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,453 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,330 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,058 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,090 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,534 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,167 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,078 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,331 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,364 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,123 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,608 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,301 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,292 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,146 |
| Women in History by Picture | 0 | - | 4.25 | 25,891 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,103 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,757 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,064 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,936 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,157 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,421 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,192 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,728 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,860 |
| Geography by Picture - E | 0 | - | 3.55 | 47,351 |
| Landforms by Picture | 0 | - | 4.31 | 20,654 |
| Geography by Picture - I | 0 | - | 4.00 | 39,397 |
| Geography by Picture - O | 0 | - | 4.01 | 28,115 |
| Emoji Flags | 0 | - | 4.35 | 44,015 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,781 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,825 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,365 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,274 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,585 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,784 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,211 |
| Airline Logos | 0 | - | 4.45 | 140,549 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,065 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,764 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,426 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,842 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,378 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,951 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,540 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,453 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,174 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,657 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,413 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,927 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,119 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,961 |
| History by Picture - I | 0 | - | 4.26 | 26,196 |
| History by Picture - J | 0 | - | 4.18 | 26,705 |
| History by Picture - L | 0 | - | 4.18 | 30,756 |
| History by Picture - P | 0 | - | 4.08 | 25,272 |
