| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,398 |
| Animals in the Bible | 0 | - | 4.83 | 36,875 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,190 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,766 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,227 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,050 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,545 |
| Orthodox Countries | 0 | - | 4.92 | 132,483 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,870 |
| Biblical Geography | 0 | - | 4.40 | 67,280 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,993 |
| Catholic Countries | 0 | - | 4.79 | 215,359 |
| The Life of King David | 0 | - | 4.37 | 14,138 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,432,439 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,897 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,375 |
| Empires by Maps | 0 | - | 4.98 | 121,321 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,969 |
| Commonly Mixed-Up Countries - Multiple Choice | 0 | - | 4.98 | 52,925 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,412 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,958 |
| Play-Doh People from History | 0 | - | 4.99 | 95,247 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,372 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,790 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,861 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,884 |
| All Country Flags of the World | 0 | - | 5.00 | 3,693,558 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,358 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,447 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,210 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,056 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,694,909 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,015,784 |
| Horror Movies by Picture | 0 | - | 4.54 | 56,604 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,116 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,768 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,844 |
| Flags with Crescents | 0 | - | 4.98 | 170,717 |
| Country Flag Trivia | 0 | - | 4.81 | 57,640 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,448 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,044 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,117 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,665 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,681 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,829 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,251 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,230 |
| Brand Logos Quiz #5 | 0 | - | 4.37 | 1,067,577 |
| Brand Logos Quiz #6 | 0 | - | 4.30 | 786,772 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,709 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,228,759 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 532,808 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 611,566 |
| National Football Team Logos | 0 | - | 4.85 | 181,210 |
| Random Brand Logos | 0 | - | 4.45 | 403,933 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,693 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,442 |
| Years in History by Picture | 0 | - | 4.44 | 35,673 |
| Where Are These Doors? | 0 | - | 4.45 | 30,135 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,211 |
| Flags to Languages | 0 | - | 4.95 | 174,162 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,907 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,845 |
| Buddhist Countries | 0 | - | 4.96 | 144,797 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,510 |
| Fruits by Picture | 0 | - | 4.19 | 808,490 |
| Old Movies by Picture | 0 | - | 4.51 | 25,186 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,209 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 49,866 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,689 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,454 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,564 |
| Geography by Picture - B | 0 | - | 4.42 | 55,714 |
| Geography by Picture - H | 0 | - | 4.50 | 58,315 |
| Geography by Picture - N | 0 | - | 4.45 | 42,289 |
| Geography by Picture - R | 0 | - | 4.56 | 41,097 |
| Geography by Picture - T | 0 | - | 4.54 | 57,938 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,280 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,204 |
| Random Logos Quiz | 0 | - | 4.33 | 209,026 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,884 |
| Clothing Brand Logos | 0 | - | 4.24 | 224,985 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 175,838 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,559 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,194 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,155 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,729 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,925 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,888 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,267 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,448 |
| Battle to Country | 0 | - | 4.91 | 53,699 |
| Monarchies of Europe | 0 | - | 4.90 | 98,544 |
| Monarchies of Asia | 0 | - | 4.97 | 71,347 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,348 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,109 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,281 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 341,747 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,137 |
| Name that Bug | 0 | - | 4.12 | 45,603 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,453 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,120 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,838 |
| Elements by Picture | 0 | - | 4.27 | 70,169 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,428 |
| Islands by Picture | 0 | - | 4.28 | 107,465 |
| Name that Object #1 | 0 | - | 3.57 | 96,557 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,394 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,970 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,387 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,435 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,763 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,863 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,392 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,181 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,139 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,674 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,877 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,986 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,889 |
| International Footballers by Picture | 0 | - | 4.51 | 56,103 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,448 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,215 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,055 |
| Geography by Picture - A | 0 | - | 4.39 | 60,366 |
| Geography by Picture - D | 0 | - | 4.15 | 45,736 |
| Geography by Picture - F | 0 | - | 4.31 | 51,115 |
| Geography by Picture - G | 0 | - | 4.39 | 48,036 |
| Geography by Picture - J | 0 | - | 4.16 | 38,544 |
| Geography by Picture - K | 0 | - | 4.29 | 33,206 |
| Geography by Picture - C | 0 | - | 4.31 | 57,169 |
| Geography by Picture - L | 0 | - | 4.37 | 59,077 |
| Geography by Picture - M | 0 | - | 4.14 | 40,539 |
| Geography by Picture - P | 0 | - | 4.24 | 42,520 |
| Geography by Picture - S | 0 | - | 4.38 | 47,127 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,430 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,086 |
| Flag Maths | 0 | - | 4.61 | 57,808 |
| Satellite Images #1 | 0 | - | 4.47 | 129,558 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,463 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,044 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,066 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,080 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,329 |
| Soccer Team Logos | 0 | - | 4.26 | 376,402 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,157 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,615 |
| Movie Logos | 0 | - | 4.33 | 239,626 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,843 |
| History by Picture - A | 0 | - | 4.26 | 46,020 |
| History by Picture - B | 0 | - | 4.40 | 49,199 |
| History by Picture - C | 0 | - | 4.36 | 54,726 |
| History by Picture - F | 0 | - | 4.35 | 38,074 |
| History by Picture - G | 0 | - | 4.40 | 42,318 |
| History by Picture - D | 0 | - | 4.29 | 44,524 |
| History by Picture - E | 0 | - | 4.25 | 44,114 |
| History by Picture - H | 0 | - | 4.37 | 36,970 |
| History by Picture - K | 0 | - | 4.35 | 33,510 |
| History by Picture - M | 0 | - | 4.17 | 36,293 |
| History by Picture - N | 0 | - | 4.40 | 41,432 |
| History by Picture - O | 0 | - | 4.39 | 36,458 |
| History by Picture - T | 0 | - | 4.20 | 33,447 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,526 |
| Movies by Screenshot | 0 | - | 4.45 | 91,656 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,473 |
| Star Wars Quotes | 0 | - | 4.86 | 185,462 |
| Name the English Monarchs | 0 | - | 4.91 | 504,968 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,534 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,467 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,597 |
| Top 100 Greatest NBA Players | 0 | - | 4.41 | 695,384 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,750 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,070 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,787 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,599 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,236 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,122 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,977 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,304 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,556 |
| Play Scrabble by Guessing Countries | 0 | - | 4.97 | 132,812 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 57,148 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,007 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 535,042 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,680 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 91,039 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,411 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,693 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.82 | 64,929 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,736 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,865 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,012 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,207 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,685 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,635 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,834 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,350 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,411 |
| Visual Satisfaction - Match the Colors #1 | 0 | - | 4.99 | 36,529 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,614 |
