| 7 Deadly Sins | 0 | - | 4.88 | 399,776 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,096,834 |
| Fruits by Picture | 0 | - | 4.19 | 807,052 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,435 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,253 |
| Santa's Reindeer | 0 | - | 4.47 | 193,182 |
| Elements by Picture | 0 | - | 4.27 | 69,906 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,306 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,716 |
| Empires by Maps | 0 | - | 4.98 | 120,288 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 88,664 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,781 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,909 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,822 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,256 |
| Birthstones by Month | 0 | - | 4.42 | 80,653 |
| Foods by Picture | 0 | - | 3.81 | 226,041 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,240 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,347 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,178 |
| Play-Doh People from History | 0 | - | 4.99 | 94,717 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,537 |
| All Country Flags of the World | 0 | - | 5.00 | 3,657,378 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,960 |
| Vegetables by Picture | 0 | - | 4.36 | 63,334 |
| Metals of Antiquity | 0 | - | 4.95 | 93,397 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,103 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,342 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,074 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,619,234 |
| Famous Duos #2 | 0 | - | 4.21 | 117,028 |
| Famous Duos Quiz #1 | 0 | - | 4.15 | 84,044 |
| Things that are Orange by Picture | 0 | - | 4.20 | 26,719 |
| Things that are Green by Picture | 0 | - | 4.15 | 29,962 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,461 |
| Flags with Crescents | 0 | - | 4.98 | 169,358 |
| Country Flag Trivia | 0 | - | 4.81 | 56,942 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,631 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,392 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,256 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,205 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,156 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,729 |
| National Football Team Logos | 0 | - | 4.85 | 180,210 |
| Random Symbol to Element | 0 | - | 4.88 | 93,000 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,705 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,138 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,474 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,123 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,376 |
| The Seven Continents Map Quiz | 0 | - | 3.89 | 266,347 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,102 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,207 |
| Countries with Four Letters | 0 | - | 4.99 | 422,035 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,823 |
| Random Country to Capital | 0 | - | 4.98 | 919,585 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,945 |
| Name a Valid World City | 0 | - | 4.83 | 71,093 |
| Short Term Memory Test - Countries | 0 | - | 4.78 | 45,968 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,433 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,458 |
| Years in History by Picture | 0 | - | 4.44 | 35,482 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,848 |
| Flags to Languages | 0 | - | 4.95 | 173,540 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,482 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,474 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,610 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,497 |
| Countries with Glaciers | 0 | - | 4.97 | 105,379 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,994 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,564 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,047 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,544 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,007 |
| Islands by Country #1 | 0 | - | 4.88 | 175,202 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,467 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,804 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,680 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,602 |
| Countries by Emojis | 0 | - | 4.99 | 239,391 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,321 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 180,351 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,839 |
| Country Chain | 0 | - | 4.96 | 216,981 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,402 |
| Random Countries Mouse Hunt! | 0 | - | 4.81 | 184,222 |
| Random Countries Mouse Hunt 2: Mousenado! | 0 | - | 4.98 | 129,870 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 2,163,407 |
| Capital Cities Chain | 0 | - | 4.83 | 82,652 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,805 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,301 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,786 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,354 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,429 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,320 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,706 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,212 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,083 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,456 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,445 |
| Name a Valid Country #10 | 0 | - | 4.93 | 42,807 |
| Visual Memory Test - Countries on a World Map | 0 | - | 4.99 | 66,995 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,011 |
| Old Movies by Picture | 0 | - | 4.51 | 25,080 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,994 |
| Things that are Red by Picture | 0 | - | 3.76 | 14,287 |
| Things that are Yellow by Picture | 0 | - | 3.94 | 12,045 |
| Things that are Blue by Picture | 0 | - | 3.67 | 13,421 |
| Things that are White by Picture | 0 | - | 3.81 | 12,439 |
| Things that are Black by Picture | 0 | - | 3.51 | 13,467 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,363 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,362 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,193 |
| Geography by Picture - R | 0 | - | 4.56 | 41,014 |
| Geography by Picture - T | 0 | - | 4.54 | 57,827 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,964 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,481 |
| Random Logos Quiz | 0 | - | 4.31 | 208,319 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,949 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,401 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,022 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,952 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,575 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,787 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,265 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,905 |
| The Sun Quiz | 0 | - | 4.93 | 34,630 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,707 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,962 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,608 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,144 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,983 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,038 |
| The Eleven Colors | 0 | - | 4.74 | 235,047 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 338,421 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,314 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,804 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,102 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,354 |
| The Only Country ... | 0 | - | 4.91 | 80,935 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,001 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,042 |
| Random Countries by Borders | 0 | - | 4.99 | 82,366 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,324 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,900 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 433,494 |
| Random Point on Land to Country | 0 | - | 4.99 | 234,447 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 51,981 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,712 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,403 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,700 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,860 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,835 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,033 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,875 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,843 |
| Name that Bug | 0 | - | 4.12 | 45,553 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,339 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,937 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,675 |
| Islands by Picture | 0 | - | 4.29 | 106,862 |
| Name that Object #1 | 0 | - | 3.57 | 96,487 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,254 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,360 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,725 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,765 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,610 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,207 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,753 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,002 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,599 |
| International Footballers by Picture | 0 | - | 4.50 | 55,553 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,401 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,572 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,774 |
| Geography by Picture - A | 0 | - | 4.39 | 60,233 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,987 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,456 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,056 |
| Geography by Picture - L | 0 | - | 4.37 | 58,942 |
| Geography by Picture - M | 0 | - | 4.14 | 40,448 |
| Geography by Picture - P | 0 | - | 4.24 | 42,429 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,238 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,450 |
| Flag Maths | 0 | - | 4.64 | 57,756 |
| Satellite Images #1 | 0 | - | 4.47 | 129,338 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,277 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,895 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,898 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,965 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,941 |
| Soccer Team Logos | 0 | - | 4.26 | 374,187 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,421,032 |