| Former Countries by Territory Map | 0 | - | 4.96 | 103,294 |
| Empires by Maps | 0 | - | 4.98 | 121,193 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,525 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,391 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,864 |
| Play-Doh People from History | 0 | - | 4.99 | 95,180 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,839 |
| All Country Flags of the World | 0 | - | 5.00 | 3,688,754 |
| Years in History by Picture | 0 | - | 4.44 | 35,654 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,169 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,579 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,037 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,915 |
| Name that Object #1 | 0 | - | 3.57 | 96,554 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,738 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,793 |
| Flags with Crescents | 0 | - | 4.98 | 170,563 |
| Country Flag Trivia | 0 | - | 4.81 | 57,549 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,335 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,957 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,991 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,597 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,603 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,176 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,361 |
| National Football Team Logos | 0 | - | 4.85 | 181,072 |
| Old Movies by Picture | 0 | - | 4.51 | 25,170 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,185 |
| Random Logos Quiz | 0 | - | 4.33 | 208,944 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,538 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,165 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,125 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,710 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,906 |
| Fruits by Picture | 0 | - | 4.19 | 808,315 |
| Geography by Picture - B | 0 | - | 4.42 | 55,699 |
| Geography by Picture - H | 0 | - | 4.50 | 58,302 |
| Geography by Picture - N | 0 | - | 4.45 | 42,278 |
| Geography by Picture - R | 0 | - | 4.56 | 41,089 |
| Geography by Picture - T | 0 | - | 4.54 | 57,923 |
| Flags to Languages | 0 | - | 4.95 | 174,068 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,775 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,790 |
| Original 151 Pokémon | 0 | - | 4.96 | 791,859 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,431 |
| Name that Object #2 | 0 | - | 3.64 | 15,479 |
| Name that Object #3 | 0 | - | 3.93 | 14,434 |
| Pokémon by Picture | 0 | - | 4.38 | 74,470 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,656 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,424 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,243 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,739 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,573 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,279 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,669 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,161 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,535 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,388 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,858 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,217 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,487 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,581 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,136 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,855 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,774 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 134,951 |
| Name that Bug | 0 | - | 4.12 | 45,600 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,441 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,099 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,814 |
| Elements by Picture | 0 | - | 4.27 | 70,136 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,403 |
| Islands by Picture | 0 | - | 4.28 | 107,390 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,372 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,696 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,841 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,374 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,119 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,124 |
| International Footballers by Picture | 0 | - | 4.51 | 56,032 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,312 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,135 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,018 |
| Geography by Picture - A | 0 | - | 4.39 | 60,345 |
| Geography by Picture - D | 0 | - | 4.15 | 45,724 |
| Geography by Picture - F | 0 | - | 4.31 | 51,097 |
| Geography by Picture - G | 0 | - | 4.39 | 48,023 |
| Geography by Picture - J | 0 | - | 4.16 | 38,531 |
| Geography by Picture - K | 0 | - | 4.29 | 33,191 |
| Geography by Picture - C | 0 | - | 4.31 | 57,153 |
| Geography by Picture - L | 0 | - | 4.37 | 59,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,525 |
| Geography by Picture - P | 0 | - | 4.24 | 42,506 |
| Geography by Picture - S | 0 | - | 4.38 | 47,117 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,277 |
| Flag Maths | 0 | - | 4.64 | 57,803 |
| Satellite Images #1 | 0 | - | 4.47 | 129,530 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,443 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,025 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,051 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,064 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,266 |
| Soccer Team Logos | 0 | - | 4.26 | 376,123 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,963 |
| Movie Logos | 0 | - | 4.33 | 239,445 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,780 |
| History by Picture - A | 0 | - | 4.26 | 45,991 |
| History by Picture - B | 0 | - | 4.40 | 49,173 |
| History by Picture - C | 0 | - | 4.36 | 54,701 |
| History by Picture - F | 0 | - | 4.35 | 38,055 |
| History by Picture - G | 0 | - | 4.40 | 42,299 |
| History by Picture - D | 0 | - | 4.29 | 44,496 |
| History by Picture - E | 0 | - | 4.25 | 44,098 |
| History by Picture - H | 0 | - | 4.37 | 36,947 |
| History by Picture - K | 0 | - | 4.35 | 33,498 |
| History by Picture - M | 0 | - | 4.17 | 36,272 |
| History by Picture - N | 0 | - | 4.40 | 41,409 |
| History by Picture - O | 0 | - | 4.39 | 36,443 |
| History by Picture - T | 0 | - | 4.20 | 33,427 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,487 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 30,125 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,288 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,982 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,431,024 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,574 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,635 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,393 |
| Foods by Picture | 0 | - | 3.81 | 226,360 |
| Flowers by Picture | 0 | - | 4.46 | 105,763 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,549 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,874 |
| Christmas by Picture | 0 | - | 4.26 | 28,207 |
| Hats by Picture | 0 | - | 4.21 | 17,997 |
| Weapons by Picture | 0 | - | 4.13 | 21,123 |
| Cars by Picture | 0 | - | 3.89 | 41,662 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,335 |
| Authors by Picture | 0 | - | 4.48 | 25,587 |
| Plants by Picture | 0 | - | 4.24 | 14,493 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,500 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,917 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,998 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,119 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,274 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,097 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,691 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,673 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,332 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,223 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,872 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,393 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,425 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,612 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,559 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,285 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,926 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,609 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,652 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,851 |
| Women in History by Picture | 0 | - | 4.25 | 25,978 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,265 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,819 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,040 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,627 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,704 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,479 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,966 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,304 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,305 |
| Geography by Picture - E | 0 | - | 3.55 | 47,444 |
| Landforms by Picture | 0 | - | 4.31 | 20,716 |
| Geography by Picture - I | 0 | - | 4.00 | 39,486 |
| Geography by Picture - O | 0 | - | 4.01 | 28,193 |
| Emoji Flags | 0 | - | 4.35 | 44,189 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,069 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,332 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,475 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,712 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,016 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,871 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,139 |
| Airline Logos | 0 | - | 4.45 | 141,118 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,974 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,505 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,194 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,987 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,345 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,889 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,562 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,909 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,577 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,313 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,768 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,513 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,033 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,215 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,056 |
| History by Picture - I | 0 | - | 4.24 | 26,354 |
| History by Picture - J | 0 | - | 4.18 | 26,850 |
| History by Picture - L | 0 | - | 4.18 | 30,905 |
| History by Picture - P | 0 | - | 4.08 | 25,392 |
