| Fruits by Picture | 0 | - | 4.20 | 804,577 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,838 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,444 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,904 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,787 |
| Vegetables by Picture | 0 | - | 4.39 | 62,839 |
| Foods by Picture | 0 | - | 3.81 | 225,454 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,990 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,829 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,331 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,841 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,976 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,566 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,229 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,909 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,094 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,802 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,514 |
| Empires by Maps | 0 | - | 4.98 | 118,444 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,354 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,401 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,073 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,098 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,415 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,456 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,527 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,092 |
| Countries by Milk Production | 0 | - | 4.54 | 43,613 |
| Animal Emojis | 0 | - | 4.69 | 83,290 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,731 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,990 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,742 |
| Play-Doh People from History | 0 | - | 4.99 | 93,841 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,298 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,891 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,761 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,894 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,854 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,021 |
| All Country Flags of the World | 0 | - | 5.00 | 3,600,970 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 138,949 |
| Foods of the World by Description | 0 | - | 4.18 | 45,934 |
| Citrus Fruits | 0 | - | 3.65 | 41,948 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,113 |
| Countries that Produce the Most Cheese | 0 | - | 4.74 | 63,055 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 664,733 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,456 |
| Landforms by Country | 0 | - | 4.52 | 51,914 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,936 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,834 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,130 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,295 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,586 |
| The Wonderful World of Wine | 0 | - | 4.48 | 11,157 |
| Movies with Food in the Title | 0 | - | 4.14 | 231,857 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,355 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,183 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,900 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,463 |
| Things that are Orange by Picture | 0 | - | 4.20 | 26,574 |
| Things that are Green by Picture | 0 | - | 4.15 | 29,782 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,797 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,588 |
| Flags with Crescents | 0 | - | 4.98 | 167,526 |
| Country Flag Trivia | 0 | - | 4.81 | 55,912 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,388 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,437 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,885 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,446 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,367 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,011 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,531 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| National Football Team Logos | 0 | - | 4.84 | 178,634 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,479 |
| Real or Fake: Japanese Kit Kat Flavours | 0 | - | 4.53 | 19,825 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,465 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,010 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,751 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,124 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,084 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,211 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,817 |
| National Animals | 0 | - | 4.24 | 89,144 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,728 |
| Bear in the Answers | 0 | - | 4.29 | 61,612 |
| Countries with Four Letters | 0 | - | 4.99 | 418,465 |
| Random Symbol to Element | 0 | - | 4.88 | 92,203 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,761 |
| Random Country to Capital | 0 | - | 4.98 | 911,488 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,534 |
| Name a Valid World City | 0 | - | 4.83 | 70,116 |
| Short Term Memory Test - Countries | 0 | - | 4.83 | 45,237 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,815 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,173 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,593 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,304 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,411 |
| Years in History by Picture | 0 | - | 4.44 | 35,098 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,395 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,212 |
| Flags to Languages | 0 | - | 4.95 | 172,466 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,234 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,735 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,151 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,773 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,291 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,355 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,594 |
| Islands by Country #1 | 0 | - | 4.87 | 174,470 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,903 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,270 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,326 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,027 |
| Countries by Emojis | 0 | - | 4.99 | 236,129 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,295 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,415 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,096 |
| Country Chain | 0 | - | 4.96 | 215,701 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,758 |
| Random Countries Mouse Hunt! | 0 | - | 4.81 | 182,039 |
| Random Countries Mouse Hunt 2: Mousenado! | 0 | - | 4.98 | 128,288 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 2,145,219 |
| Capital Cities Chain | 0 | - | 4.84 | 81,905 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,983 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,960 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,774 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,398 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,352 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,527 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,764 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,366 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,447 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,992 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,209 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,407 |
| Visual Memory Test - Countries on a World Map | 0 | - | 4.99 | 66,312 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,390 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,382 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,252 |
| Old Movies by Picture | 0 | - | 4.51 | 24,788 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,671 |
| Things that are Red by Picture | 0 | - | 3.76 | 14,200 |
| Things that are Yellow by Picture | 0 | - | 3.94 | 11,957 |
| Things that are Blue by Picture | 0 | - | 3.67 | 13,328 |
| Things that are White by Picture | 0 | - | 3.81 | 12,365 |
| Things that are Black by Picture | 0 | - | 3.51 | 13,376 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,471 |
| Geography by Picture - B | 0 | - | 4.42 | 55,407 |
| Geography by Picture - H | 0 | - | 4.49 | 58,040 |
| Geography by Picture - N | 0 | - | 4.45 | 42,045 |
| Geography by Picture - R | 0 | - | 4.55 | 40,876 |
| Geography by Picture - T | 0 | - | 4.54 | 57,673 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,419 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,936 |
| Random Logos Quiz | 0 | - | 4.32 | 206,990 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,237 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,120 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,717 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,609 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,302 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,519 |
| Books with Food in the Title | 0 | - | 3.93 | 39,593 |
| American Foods | 0 | - | 3.66 | 39,275 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,942 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,088 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,466 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,662 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,618 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,310 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,590 |
| The Eleven Colors | 0 | - | 4.73 | 233,276 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,641 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,996 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,424 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,440 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,186 |
| The Only Country ... | 0 | - | 4.91 | 79,854 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,291 |
| The Sun Quiz | 0 | - | 4.93 | 34,104 |
| Sea in the Answers | 0 | - | 4.10 | 48,552 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,328 |
| Random Countries by Borders | 0 | - | 4.99 | 81,660 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,993 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,185 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 426,404 |
| Random Point on Land to Country | 0 | - | 4.99 | 231,818 |
| Random Countries on a Topological Map | 0 | - | 4.90 | 51,190 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,416 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,535 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,779 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,294 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,769 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,041 |
| Big Cats | 0 | - | 3.91 | 67,672 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,471 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,020 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,476 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,291 |