| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,401,973 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,188 |
| Pokémon by Picture | 0 | - | 4.38 | 72,441 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,549 |
| Empires by Maps | 0 | - | 4.98 | 118,504 |
| All Country Flags of the World | 0 | - | 5.00 | 3,602,015 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,561 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,679,304 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,005,892 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,434 |
| Horror Movies by Picture | 0 | - | 4.53 | 55,307 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,993 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,810 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,772 |
| Play-Doh People from History | 0 | - | 4.99 | 93,857 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,305 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,737 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,888 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,030 |
| Flags with Crescents | 0 | - | 4.98 | 167,557 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,333 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,390 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,660 |
| Country Flag Trivia | 0 | - | 4.81 | 55,935 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,417 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,454 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,909 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,460 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,378 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,907 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,034 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,570 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,977 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,902 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,218,355 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 527,228 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 605,447 |
| National Football Team Logos | 0 | - | 4.84 | 178,660 |
| Random Brand Logos | 0 | - | 4.45 | 399,498 |
| British Monopoly Board | 0 | - | 4.52 | 41,034 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,269 |
| The Bible by Picture | 0 | - | 4.23 | 19,978 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 47,691 |
| Simpsons Characters by Picture | 0 | - | 4.41 | 21,598 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,841 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,133 |
| Flags to Languages | 0 | - | 4.95 | 172,486 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,439 |
| Clothing Brand Logos | 0 | - | 4.24 | 222,014 |
| Soft Drink Brand Logos | 0 | - | 4.24 | 173,885 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,154 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,300 |
| Battle to Country | 0 | - | 4.91 | 52,525 |
| Monarchies of Europe | 0 | - | 4.90 | 97,313 |
| Monarchies of Asia | 0 | - | 4.97 | 70,603 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,704 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,455 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,594 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,923 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 66,057 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,044 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,216 |
| Orthodox Countries | 0 | - | 4.91 | 130,385 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,097 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,470 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,767 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Animals in the Bible | 0 | - | 4.83 | 35,812 |
| Fruits by Picture | 0 | - | 4.20 | 804,632 |
| Years in History by Picture | 0 | - | 4.44 | 35,107 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,529 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,639 |
| Where Are These Doors? | 0 | - | 4.45 | 29,596 |
| Stranger Things Characters by Picture | 0 | - | 4.31 | 31,357 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,227 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,507 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,753 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,846 |
| Famous Australians by Picture | 0 | - | 4.25 | 28,601 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,510 |
| Geography by Picture - B | 0 | - | 4.42 | 55,414 |
| Geography by Picture - H | 0 | - | 4.49 | 58,047 |
| Geography by Picture - N | 0 | - | 4.45 | 42,048 |
| Geography by Picture - R | 0 | - | 4.55 | 40,877 |
| Geography by Picture - T | 0 | - | 4.54 | 57,676 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,786 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,905 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,460 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,048 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,280 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,755 |
| Phineas and Ferb Theme Song Lyrics | 0 | - | 4.38 | 91,763 |
| American Monopoly Board - Map Quiz | 0 | - | 4.52 | 21,137 |
| Play Scrabble by Guessing Countries | 0 | - | 4.97 | 130,910 |
| Visual Satisfaction - Match the Colors #1 | 0 | - | 4.99 | 32,100 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,257 |
| Countries in World War I | 0 | - | 4.88 | 226,616 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,411 |
| Star Wars Quotes | 0 | - | 4.84 | 173,435 |
| Name the English Monarchs | 0 | - | 4.92 | 497,910 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,247 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,120 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,492 |
| Top 100 Greatest NBA Players | 0 | - | 4.42 | 685,432 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,491 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,110 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,176 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,153 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,261 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,364 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,250 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,084 |
| Countries in a Penrose Tiling of the World Map | 0 | - | 4.95 | 55,956 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,526 |
| Hindu Countries | 0 | - | 4.85 | 49,580 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 521,361 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,976 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 89,158 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,727 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,954 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,197 |
| Countries Mentioned in the Wikipedia Page of Germany | 0 | - | 4.81 | 63,609 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,515 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,539 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,526 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,173 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,972 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,721 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,097 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,567 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,665 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,470 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,656 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,914 |
| Flowers by Picture | 0 | - | 4.46 | 105,007 |
| Name that Bug | 0 | - | 4.12 | 45,450 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,188 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,532 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,623 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,407 |
| Elements by Picture | 0 | - | 4.28 | 69,549 |
| Old Movies by Picture | 0 | - | 4.51 | 24,799 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,683 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,157 |
| Authors by Picture | 0 | - | 4.48 | 25,392 |
| Islands by Picture | 0 | - | 4.29 | 105,896 |
| Name that Object #1 | 0 | - | 3.56 | 96,303 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,465 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,046 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,983 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,064 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,188 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,844 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,364 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,411 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,576 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,083 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,906 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,766 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,899 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,113 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,237 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,914 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,865 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,104 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,442 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,019 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,131 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,924 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,254 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,996 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,940 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,593 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,774 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,926 |
| Famous French People by Picture | 0 | - | 3.70 | 27,807 |
| International Footballers by Picture | 0 | - | 4.50 | 54,735 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,626 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,654 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,036 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,627 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,428 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,297 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,137 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,295 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,051 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,332 |
| Geography by Picture - A | 0 | - | 4.39 | 60,051 |
| Geography by Picture - D | 0 | - | 4.15 | 45,493 |
| Geography by Picture - F | 0 | - | 4.31 | 50,825 |
| Geography by Picture - G | 0 | - | 4.38 | 47,787 |
| Geography by Picture - J | 0 | - | 4.16 | 38,334 |
| Geography by Picture - K | 0 | - | 4.28 | 33,015 |
| Geography by Picture - C | 0 | - | 4.31 | 56,908 |
| Geography by Picture - L | 0 | - | 4.37 | 58,761 |
| Geography by Picture - M | 0 | - | 4.14 | 40,346 |
| Geography by Picture - P | 0 | - | 4.24 | 42,298 |
| Geography by Picture - S | 0 | - | 4.38 | 46,909 |
