| Asia Capitals Quiz | 0 | - | 4.98 | 700,326 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,079 |
| Asia Capital to Country | 0 | - | 4.96 | 127,742 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,165 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,289 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,327 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,528 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,459 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,863 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,142 |
| Capitals of the Stans | 0 | - | 4.95 | 27,259 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,726 |
| Random Asian City to Country | 0 | - | 4.56 | 44,648 |
| Name a City - European Countries | 0 | - | 4.89 | 66,450 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,411 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,961 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,660 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,219 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,354 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,608 |
| Which City in Europe? | 0 | - | 4.83 | 108,033 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,734 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,425 |
| Europe Capital to Country | 0 | - | 4.99 | 252,706 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,376 |
| European Capitals by Map | 0 | - | 4.99 | 142,682 |
| African Capitals by Map | 0 | - | 4.99 | 142,683 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,183 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,441 |
| European Coastal Capitals | 0 | - | 4.95 | 91,543 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,470 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,835 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,972 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,598 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,848 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,064 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,545 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,146 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,003 |
| Official Cities in the UK | 0 | - | 4.89 | 287,042 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,297 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,806 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,398 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,755 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,374 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,701 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,103 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,852 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,035 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,916 |
| Which City in Asia? | 0 | - | 4.52 | 51,633 |
| Which City in Canada? | 0 | - | 4.83 | 57,429 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,347 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,165 |
| Random European City to Country | 0 | - | 4.69 | 118,573 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,019 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,365 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,519 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,288 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,850 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,044 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,201 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,859 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,006 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,680 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,643 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,556 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,657 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,183 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,198 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,398 |
| Random European Capital to Country | 0 | - | 4.98 | 192,417 |
| Random European Country to Capital | 0 | - | 4.93 | 166,119 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,127 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,625 |
| Random African Capital to Country | 0 | - | 4.97 | 101,543 |
| Random African Country to Capital | 0 | - | 4.95 | 71,929 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 105,037 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,560 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,858 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,385 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,361 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,094 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,574 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,821 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,073 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,264 |
| Random U.S. City to State | 0 | - | 4.45 | 77,059 |
| Name a City - Asian Countries | 0 | - | 4.36 | 19,717 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,226 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,630 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,122 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,392 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,521 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,108 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,481 |
| Countries by Capital City | 0 | - | 5.00 | 69,711 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,233 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,398 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,609 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,007 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,307 |
| Moved Capital Cities | 0 | - | 4.96 | 74,760 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,263 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,879 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,869 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,387 |
| European Cities by Clue | 0 | - | 4.70 | 89,227 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,929 |
| Hindu Countries | 0 | - | 4.86 | 50,699 |
| Countries that Beat China | 0 | - | 4.85 | 117,036 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,608 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,669 |
| Asia Map Quiz | 0 | - | 4.99 | 927,118 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,610 |
| North American Sports Cities | 0 | - | 4.82 | 173,349 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,619 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,085 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,924 |
| Cities by Former Name | 0 | - | 4.83 | 92,218 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,000 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,063 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,011 |
| World Capitals by Map | 0 | - | 5.00 | 290,145 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,969 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,075 |
| Random Country to Capital | 0 | - | 4.98 | 930,795 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,224 |
| Capitals Starting With H | 0 | - | 4.91 | 93,488 |
| Capitals Starting With K | 0 | - | 4.89 | 84,545 |
| Capitals Starting With L | 0 | - | 4.81 | 96,141 |
| Capitals Starting With M | 0 | - | 4.94 | 109,434 |
| Capitals Starting With P | 0 | - | 4.88 | 79,155 |
| Capitals Starting With R | 0 | - | 4.89 | 82,637 |
| Capitals Starting With S | 0 | - | 4.90 | 86,730 |
| Capitals Starting With T | 0 | - | 4.86 | 76,977 |
| Capitals Starting With W | 0 | - | 4.87 | 91,813 |
| Capitals Starting With A | 0 | - | 4.97 | 129,334 |
| Capitals Starting With B | 0 | - | 4.89 | 119,696 |
| Capitals Starting With D | 0 | - | 4.94 | 97,349 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,432 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,181 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,306 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,702 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,605 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,304 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,241 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,230 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,342 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 88,358 |
| Cities in European History #1 | 0 | - | 4.63 | 134,932 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,483 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,926 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,249 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,646 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,289 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,978 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,021 |
| Which City in Africa? | 0 | - | 4.77 | 58,048 |
| Which City in Latin America? | 0 | - | 4.63 | 47,184 |
| Which City in Australia? | 0 | - | 4.62 | 34,608 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,869 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,662 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,264 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,785 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,782 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,731 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,842 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,817 |
| North America Cities by Map | 0 | - | 4.41 | 47,981 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,111 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,912 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,863 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,730 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,854 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,020 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Capital Cities Chain | 0 | - | 4.84 | 83,567 |
| Coldest World Capitals | 0 | - | 4.95 | 134,348 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,289 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,772 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,896 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,463 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,776 |
| US States and State Capitals | 0 | - | 4.99 | 166,141 |
| Which City in Germany? | 0 | - | 4.50 | 137,623 |
| Which City in Italy? | 0 | - | 4.68 | 90,683 |
| Which City in France? | 0 | - | 4.67 | 73,474 |
| Which City in Spain? | 0 | - | 4.50 | 50,166 |
| Hong Kong Facts | 0 | - | 4.49 | 29,381 |
| Countries of the Middle East | 0 | - | 4.96 | 203,356 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,085 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,543 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,781 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,111 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,368 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,973 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,860 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,920 |
