| Which City in Canada? | 0 | - | 4.83 | 57,160 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,375 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,531 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,297 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,313 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,272 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,138 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,104 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,622 |
| US States and State Capitals | 0 | - | 4.99 | 163,658 |
| Name a City - European Countries | 0 | - | 4.90 | 65,686 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,262 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,354 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,008 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,018 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,452 |
| Europe Capital to Country | 0 | - | 4.99 | 251,005 |
| Asia Capital to Country | 0 | - | 4.96 | 126,905 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,271 |
| European Capitals by Map | 0 | - | 4.99 | 140,131 |
| African Capitals by Map | 0 | - | 4.99 | 134,251 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,860 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,702 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,336 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,680 |
| European Coastal Capitals | 0 | - | 4.95 | 90,863 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,693 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,971 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,681 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,941 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,777 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,278 |
| Official Cities in the UK | 0 | - | 4.89 | 284,692 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,997 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,201 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,196 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,722 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,765 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,236 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,567 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,059 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,323 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,268 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,572 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,441 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,443 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,163 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,448 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,530 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,272 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,086 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,714 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,483 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,854 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,807 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,054 |
| Capitals of the Stans | 0 | - | 4.95 | 26,935 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,503 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,724 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,825 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,401 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,823 |
| Random European Capital to Country | 0 | - | 4.98 | 191,524 |
| Random European Country to Capital | 0 | - | 4.93 | 165,458 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,672 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,034 |
| Random African Capital to Country | 0 | - | 4.97 | 100,936 |
| Random African Country to Capital | 0 | - | 4.94 | 71,431 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,630 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,248 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,904 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,283 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,628 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,401 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,008 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,452 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,741 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,634 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,414 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,417 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,354 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,998 |
| Find the City #1 | 0 | - | 4.97 | 43,023 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,600 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,594 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,728 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,555 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,413 |
| Countries by Capital City | 0 | - | 5.00 | 68,706 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,411 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,857 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,325 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,054 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,448 |
| Moved Capital Cities | 0 | - | 4.96 | 74,383 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,947 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,100 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,986 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,662 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,340 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,194 |
| Which City in Europe? | 0 | - | 4.83 | 107,608 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,741 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,041 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,748 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,811 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,927 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,650 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,884 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,950 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,332 |
| Random Country to Capital | 0 | - | 4.98 | 923,260 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,960 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,893 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,730 |
| Miami City Trivia | 0 | - | 4.60 | 11,245 |
| All About Atlanta | 0 | - | 4.60 | 11,265 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,784 |
| Dallas City Trivia | 0 | - | 4.46 | 6,848 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,617 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,269 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,691 |
| Rivers of the United States | 0 | - | 4.93 | 66,374 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,104 |
| North American Sports Cities | 0 | - | 4.83 | 172,695 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,420 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,129 |
| Cities in European History #1 | 0 | - | 4.63 | 134,243 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,804 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,908 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,163 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,611 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,075 |
| Name a Valid World City | 0 | - | 4.83 | 71,522 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,543 |
| Cities by Former Name | 0 | - | 4.83 | 91,760 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,506 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,777 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,447 |
| World Capitals by Map | 0 | - | 5.00 | 287,616 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,507 |
| Capitals Starting With H | 0 | - | 4.91 | 92,761 |
| Capitals Starting With K | 0 | - | 4.88 | 83,815 |
| Capitals Starting With L | 0 | - | 4.81 | 88,282 |
| Capitals Starting With M | 0 | - | 4.93 | 108,123 |
| Capitals Starting With P | 0 | - | 4.88 | 78,387 |
| Capitals Starting With R | 0 | - | 4.87 | 82,008 |
| Capitals Starting With S | 0 | - | 4.90 | 85,993 |
| Capitals Starting With T | 0 | - | 4.84 | 76,344 |
| Capitals Starting With W | 0 | - | 4.87 | 91,420 |
| Capitals Starting With A | 0 | - | 4.97 | 128,341 |
| Capitals Starting With B | 0 | - | 4.89 | 118,758 |
| Capitals Starting With D | 0 | - | 4.93 | 96,664 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,542 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,317 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,770 |
| Which City in the United States? | 0 | - | 4.21 | 57,069 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,469 |
| Which City in Latin America? | 0 | - | 4.63 | 47,080 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,806 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,412 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,982 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,244 |
| U.S. State Flags | 0 | - | 4.89 | 171,429 |
| Hawaiian Islands | 0 | - | 4.83 | 42,784 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,662 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,390 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,604 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,565 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,620 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,870 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,637 |
| North America Cities by Map | 0 | - | 4.41 | 47,858 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,344 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,586 |
| Random European City to Country | 0 | - | 4.69 | 117,987 |
| Random Asian City to Country | 0 | - | 4.56 | 44,563 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,209 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,070 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,447 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,470 |
| Former Capitals | 0 | - | 4.88 | 71,538 |
| Capital Cities Chain | 0 | - | 4.84 | 82,993 |
| Coldest World Capitals | 0 | - | 4.95 | 133,676 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,792 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,147 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,972 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,644 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,001 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,813 |
| New York City A-Z | 0 | - | 4.18 | 32,332 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,665 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,580 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,257 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,856 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,513 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,683 |
| Every City in Texas on a Map | 0 | - | 4.37 | 15,527 |
