| Former Countries by Territory Map | 0 | - | 4.96 | 102,574 |
| Empires by Maps | 0 | - | 4.98 | 120,004 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,696 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,204 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,985 |
| Play-Doh People from History | 0 | - | 4.99 | 94,604 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,448 |
| All Country Flags of the World | 0 | - | 5.00 | 3,649,616 |
| Years in History by Picture | 0 | - | 4.44 | 35,445 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,767 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,731 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,674 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,611 |
| Name that Object #1 | 0 | - | 3.57 | 96,467 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,362 |
| Flags with Crescents | 0 | - | 4.98 | 169,123 |
| Country Flag Trivia | 0 | - | 4.81 | 56,809 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,458 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,260 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,068 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,120 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,029 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,631 |
| National Football Team Logos | 0 | - | 4.85 | 179,996 |
| Pokémon by Picture | 0 | - | 4.41 | 73,550 |
| Old Movies by Picture | 0 | - | 4.51 | 25,055 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,957 |
| Random Logos Quiz | 0 | - | 4.31 | 208,160 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,361 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,981 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,908 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,544 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,748 |
| Fruits by Picture | 0 | - | 4.19 | 806,724 |
| 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 | 40,990 |
| Geography by Picture - T | 0 | - | 4.54 | 57,806 |
| Flags to Languages | 0 | - | 4.95 | 173,421 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,713 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,401 |
| Original 151 Pokémon | 0 | - | 4.96 | 788,925 |
| 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 | 55,285 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,129 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,896 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,628 |
| 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 | 30,522 |
| 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 | 24,738 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,092 |
| 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 | 134,303 |
| 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 | 57,879 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,614 |
| Elements by Picture | 0 | - | 4.27 | 69,846 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,285 |
| Islands by Picture | 0 | - | 4.29 | 106,753 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,223 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,362 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,618 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,550 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,165 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,673 |
| 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 | 284,187 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,472 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,720 |
| Geography by Picture - A | 0 | - | 4.39 | 60,202 |
| 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 | 280,015 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Satellite Images #1 | 0 | - | 4.47 | 129,291 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,244 |
| 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 | 373,724 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,566 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,357 |
| Movie Logos | 0 | - | 4.33 | 237,915 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,585 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,097 |
| History by Picture - A | 0 | - | 4.26 | 45,752 |
| 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 | 42,107 |
| History by Picture - D | 0 | - | 4.29 | 44,279 |
| History by Picture - E | 0 | - | 4.27 | 43,889 |
| History by Picture - H | 0 | - | 4.37 | 36,763 |
| History by Picture - K | 0 | - | 4.35 | 33,328 |
| History by Picture - M | 0 | - | 4.17 | 36,122 |
| 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 | 57,183 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,916 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,582 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,329 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,418,261 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,972 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,179 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,734 |
| Foods by Picture | 0 | - | 3.81 | 225,965 |
| Flowers by Picture | 0 | - | 4.46 | 105,588 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,287 |
| 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 | 41,427 |
| 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 | 82,881 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,174 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,618 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,670 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,839 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,769 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,453 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,332 |
| 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 | 58,168 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,081 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,333 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,364 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,124 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,610 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,302 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,293 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,148 |
| Women in History by Picture | 0 | - | 4.25 | 25,891 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,104 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,757 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,065 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,937 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,157 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,427 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,194 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,731 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,860 |
| Geography by Picture - E | 0 | - | 3.55 | 47,351 |
| Landforms by Picture | 0 | - | 4.31 | 20,655 |
| Geography by Picture - I | 0 | - | 4.00 | 39,397 |
| Geography by Picture - O | 0 | - | 4.01 | 28,115 |
| Emoji Flags | 0 | - | 4.35 | 44,016 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,781 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,828 |
| 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 | 70,587 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,784 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,216 |
| Airline Logos | 0 | - | 4.45 | 140,550 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,070 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,769 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,429 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,845 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,382 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,955 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,544 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,455 |
| 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 | 26,197 |
| 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 |
