| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,398,832 |
| Game of Thrones Houses | 0 | - | 4.52 | 86,397 |
| Game of Thrones Characters by Death | 0 | - | 4.41 | 54,217 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,309 |
| Empires by Maps | 0 | - | 4.98 | 118,157 |
| Simpsons Characters by Picture | 0 | - | 4.41 | 21,559 |
| All Country Flags of the World | 0 | - | 5.00 | 3,594,220 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,677,726 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,004,936 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,275 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,946 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,560 |
| Play-Doh People from History | 0 | - | 4.99 | 93,694 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,212 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,658 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,805 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,948 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,613 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,618 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,113 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,516 |
| Books of "A Song of Ice and Fire" | 0 | - | 4.50 | 13,890 |
| Game of Thrones - The Book | 0 | - | 4.40 | 91,621 |
| Game of Thrones - Were You Even Paying Attention? | 0 | - | 4.10 | 32,243 |
| Pokémon by Picture | 0 | - | 4.38 | 72,236 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,712 |
| Flags with Crescents | 0 | - | 4.98 | 167,277 |
| Country Flag Trivia | 0 | - | 4.81 | 55,780 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,239 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,339 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,729 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,341 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,270 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,817 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,933 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,328 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,037 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,059 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,217,340 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 526,666 |
| Brand Logos Quiz #7 | 0 | - | 4.36 | 604,852 |
| National Football Team Logos | 0 | - | 4.84 | 178,404 |
| Random Brand Logos | 0 | - | 4.45 | 399,052 |
| Game of Thrones Multiple Choice | 0 | - | 4.07 | 32,166 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,161 |
| The Bible by Picture | 0 | - | 4.23 | 19,952 |
| Years in History by Picture | 0 | - | 4.44 | 35,048 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,759 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,122 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,095 |
| Flags to Languages | 0 | - | 4.95 | 172,333 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,355 |
| Clothing Brand Logos | 0 | - | 4.24 | 221,728 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 173,699 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,636 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,136 |
| Star Wars... or Star Trek? | 0 | - | 4.70 | 32,329 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,210 |
| Battle to Country | 0 | - | 4.91 | 52,438 |
| Monarchies of Europe | 0 | - | 4.90 | 97,203 |
| Monarchies of Asia | 0 | - | 4.97 | 70,538 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,651 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,249 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,468 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,798 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 65,951 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,876 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,108 |
| Orthodox Countries | 0 | - | 4.91 | 130,251 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,037 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,429 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 331,968 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| Animals in the Bible | 0 | - | 4.83 | 35,719 |
| Fruits by Picture | 0 | - | 4.20 | 804,301 |
| Old Movies by Picture | 0 | - | 4.51 | 24,754 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,624 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,407 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,322 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,498 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,746 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,838 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,583 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,222 |
| Geography by Picture - B | 0 | - | 4.42 | 55,385 |
| Geography by Picture - H | 0 | - | 4.49 | 58,016 |
| Geography by Picture - N | 0 | - | 4.45 | 42,031 |
| Geography by Picture - R | 0 | - | 4.55 | 40,865 |
| Geography by Picture - T | 0 | - | 4.54 | 57,648 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,313 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,066 |
| Random Logos Quiz | 0 | - | 4.32 | 206,849 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 112,962 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,086 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,682 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,564 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,267 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,491 |
| Phineas and Ferb Theme Song Lyrics | 0 | - | 4.38 | 91,709 |
| Kardashian Family Members by Picture | 0 | - | 2.22 | 34,336 |
| Element... or Pokémon? | 0 | - | 4.98 | 129,975 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,265 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,119 |
| Star Wars Quotes | 0 | - | 4.84 | 173,247 |
| Name the English Monarchs | 0 | - | 4.92 | 497,353 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,163 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,025 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,447 |
| Top 100 Greatest NBA Players | 0 | - | 4.42 | 684,428 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,042 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,042 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,126 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,038 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,086 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,289 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,154 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| Play Scrabble by Guessing Countries | 0 | - | 4.97 | 130,736 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 55,843 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,478 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 520,291 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,801 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 88,946 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,665 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,151 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 63,477 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,352 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,213 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,386 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,901 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,847 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,548 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,968 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,435 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,608 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,384 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,549 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,773 |
| Flowers by Picture | 0 | - | 4.46 | 104,978 |
| Name that Bug | 0 | - | 4.12 | 45,431 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,168 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,506 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,578 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,369 |
| Elements by Picture | 0 | - | 4.27 | 69,487 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,138 |
| Islands by Picture | 0 | - | 4.29 | 105,748 |
| Name that Object #1 | 0 | - | 3.56 | 96,265 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,340 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,002 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,913 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,094 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,783 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,257 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,338 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,473 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,028 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,041 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,182 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,878 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,024 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,349 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,730 |
| International Footballers by Picture | 0 | - | 4.50 | 54,578 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,313 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,479 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,229 |
| Geography by Picture - A | 0 | - | 4.39 | 60,018 |
| Geography by Picture - D | 0 | - | 4.15 | 45,467 |
| Geography by Picture - F | 0 | - | 4.31 | 50,807 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,314 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,891 |
| Geography by Picture - L | 0 | - | 4.37 | 58,728 |
| Geography by Picture - M | 0 | - | 4.14 | 40,328 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,894 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,065 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,631 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,655 |
| Flag Maths | 0 | - | 4.78 | 57,663 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,420 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,026 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,956 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,953 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,615 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,679 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,021 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,613 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,774 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,786 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,271 |
| Soccer Team Logos | 0 | - | 4.26 | 370,214 |
| Airline Logos | 0 | - | 4.45 | 139,857 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,651 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,733 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,864 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,453 |
| Movie Logos | 0 | - | 4.33 | 235,482 |
