| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,714 |
| Animals in the Bible | 0 | - | 4.83 | 36,388 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,626 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,762 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,355 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,945 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,803 |
| Orthodox Countries | 0 | - | 4.92 | 131,169 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,579 |
| Biblical Geography | 0 | - | 4.40 | 67,117 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 45,017 |
| Catholic Countries | 0 | - | 4.79 | 214,295 |
| The Life of King David | 0 | - | 4.37 | 14,107 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,415,727 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,322 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,429 |
| Empires by Maps | 0 | - | 4.98 | 119,807 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,156 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,168 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,770 |
| Play-Doh People from History | 0 | - | 4.99 | 94,506 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,791 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,165 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,333 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,385 |
| All Country Flags of the World | 0 | - | 5.00 | 3,642,219 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,449 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,033 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,189 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,795 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,686,509 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,010,388 |
| Horror Movies by Picture | 0 | - | 4.53 | 55,923 |
| African Countries with the Most Muslims | 0 | - | 4.81 | 100,717 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,292 |
| Flags with Crescents | 0 | - | 4.98 | 168,868 |
| Country Flag Trivia | 0 | - | 4.81 | 56,663 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,289 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,141 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,889 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,023 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,925 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,313 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,540 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,636 |
| Brand Logos Quiz #5 | 0 | - | 4.37 | 1,062,338 |
| Brand Logos Quiz #6 | 0 | - | 4.31 | 782,512 |
| Brand Logos Quiz #3 | 0 | - | 4.33 | 1,223,126 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 529,733 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 608,177 |
| National Football Team Logos | 0 | - | 4.85 | 179,826 |
| Random Brand Logos | 0 | - | 4.44 | 401,449 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,524 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,735 |
| Years in History by Picture | 0 | - | 4.44 | 35,404 |
| Where Are These Doors? | 0 | - | 4.45 | 29,890 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,686 |
| Flags to Languages | 0 | - | 4.95 | 173,272 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,287 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,339 |
| Buddhist Countries | 0 | - | 4.96 | 143,600 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,796 |
| Fruits by Picture | 0 | - | 4.19 | 806,399 |
| Old Movies by Picture | 0 | - | 4.51 | 25,026 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,910 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 48,833 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,228 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,284 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,894 |
| Geography by Picture - B | 0 | - | 4.42 | 55,538 |
| Geography by Picture - H | 0 | - | 4.50 | 58,166 |
| Geography by Picture - N | 0 | - | 4.45 | 42,150 |
| Geography by Picture - R | 0 | - | 4.56 | 40,969 |
| Geography by Picture - T | 0 | - | 4.54 | 57,784 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,824 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 536,874 |
| Random Logos Quiz | 0 | - | 4.31 | 207,985 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,545 |
| Clothing Brand Logos | 0 | - | 4.24 | 223,363 |
| Soft Drink Brand Logos | 0 | - | 4.23 | 174,704 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,326 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,947 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,855 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,510 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,718 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,025 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,007 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,771 |
| Battle to Country | 0 | - | 4.91 | 53,072 |
| Monarchies of Europe | 0 | - | 4.90 | 97,863 |
| Monarchies of Asia | 0 | - | 4.97 | 70,921 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,020 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,561 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,836 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 336,831 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,741 |
| Name that Bug | 0 | - | 4.12 | 45,523 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,290 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,844 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,584 |
| Elements by Picture | 0 | - | 4.27 | 69,797 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,262 |
| Islands by Picture | 0 | - | 4.29 | 106,605 |
| Name that Object #1 | 0 | - | 3.57 | 96,453 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,200 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,932 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,305 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,427 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,083 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,528 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,501 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,134 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,579 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,929 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,580 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,810 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,910 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,726 |
| International Footballers by Picture | 0 | - | 4.50 | 55,310 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,989 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,352 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,664 |
| Geography by Picture - A | 0 | - | 4.39 | 60,178 |
| Geography by Picture - D | 0 | - | 4.15 | 45,595 |
| Geography by Picture - F | 0 | - | 4.31 | 50,929 |
| Geography by Picture - G | 0 | - | 4.38 | 47,899 |
| Geography by Picture - J | 0 | - | 4.16 | 38,414 |
| Geography by Picture - K | 0 | - | 4.29 | 33,083 |
| Geography by Picture - C | 0 | - | 4.31 | 57,018 |
| Geography by Picture - L | 0 | - | 4.37 | 58,884 |
| Geography by Picture - M | 0 | - | 4.14 | 40,409 |
| Geography by Picture - P | 0 | - | 4.24 | 42,386 |
| Geography by Picture - S | 0 | - | 4.38 | 46,997 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,765 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,202 |
| Flag Maths | 0 | - | 4.64 | 57,736 |
| Satellite Images #1 | 0 | - | 4.46 | 129,254 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,210 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,830 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,830 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,915 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,778 |
| Soccer Team Logos | 0 | - | 4.26 | 373,293 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,997 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,077 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,552 |
| Movie Logos | 0 | - | 4.33 | 237,623 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,452 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,974 |
| History by Picture - A | 0 | - | 4.25 | 45,707 |
| History by Picture - B | 0 | - | 4.40 | 48,860 |
| History by Picture - C | 0 | - | 4.36 | 54,382 |
| History by Picture - F | 0 | - | 4.35 | 37,814 |
| History by Picture - G | 0 | - | 4.40 | 42,072 |
| History by Picture - D | 0 | - | 4.29 | 44,240 |
| History by Picture - E | 0 | - | 4.27 | 43,845 |
| History by Picture - H | 0 | - | 4.37 | 36,732 |
| History by Picture - K | 0 | - | 4.35 | 33,300 |
| History by Picture - M | 0 | - | 4.17 | 36,094 |
| History by Picture - N | 0 | - | 4.40 | 41,189 |
| History by Picture - O | 0 | - | 4.39 | 36,250 |
| History by Picture - T | 0 | - | 4.20 | 33,262 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,139 |
| Movies by Screenshot | 0 | - | 4.45 | 90,205 |
| Visual Satisfaction - Match the Colors #1 | 0 | - | 4.99 | 34,029 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,383 |
| Star Wars Quotes | 0 | - | 4.85 | 182,895 |
| Name the English Monarchs | 0 | - | 4.91 | 501,027 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,787 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,688 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,776 |
| Top 100 Greatest NBA Players | 0 | - | 4.42 | 690,203 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,513 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,560 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,909 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,686 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,040 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,421 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,946 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,743 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,626 |
| Play Scrabble by Guessing Countries | 0 | - | 4.97 | 131,780 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 56,475 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,765 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 527,550 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,740 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 90,037 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,026 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,417 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 64,179 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,380 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,342 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,153 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,488 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,670 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,566 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,988 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,255 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,003 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,882 |
