| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,071 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,880 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,533 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,393 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,177 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,371 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,455 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,663 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,550 |
| Name a City - European Countries | 0 | - | 4.90 | 65,813 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,956 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,807 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,385 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,218 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,105 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,601 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,933 |
| Europe Capital to Country | 0 | - | 4.99 | 251,237 |
| Asia Capital to Country | 0 | - | 4.96 | 127,008 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,439 |
| European Capitals by Map | 0 | - | 4.99 | 140,794 |
| African Capitals by Map | 0 | - | 4.99 | 139,521 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,237 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,474 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,838 |
| European Coastal Capitals | 0 | - | 4.95 | 90,958 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,936 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,322 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,915 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,986 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,037 |
| Official Cities in the UK | 0 | - | 4.89 | 284,967 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,516 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,236 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,951 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,846 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,293 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,668 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,132 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,383 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,675 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,501 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,365 |
| US States and State Capitals | 0 | - | 4.99 | 163,948 |
| Which City in New York State? | 0 | - | 4.60 | 16,023 |
| Which City in California? | 0 | - | 4.56 | 32,105 |
| Boroughs of New York City | 0 | - | 4.47 | 84,803 |
| California A-Z | 0 | - | 4.49 | 28,817 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,192 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,645 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,548 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,846 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,777 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,892 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,351 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,017 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,335 |
| Chicago A-Z | 0 | - | 4.25 | 15,532 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,504 |
| Capitals of the Stans | 0 | - | 4.95 | 27,002 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,464 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,413 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,093 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,518 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,207 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,302 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,920 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,419 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,881 |
| Random European Capital to Country | 0 | - | 4.98 | 191,645 |
| Random European Country to Capital | 0 | - | 4.93 | 165,528 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,795 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,140 |
| Random African Capital to Country | 0 | - | 4.97 | 101,021 |
| Random African Country to Capital | 0 | - | 4.94 | 71,498 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,794 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,292 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,771 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,461 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,529 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,090 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,800 |
| British Places A-Z | 0 | - | 4.29 | 80,001 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,843 |
| Random U.S. City to State | 0 | - | 4.45 | 76,660 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,825 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,357 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,598 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,075 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,972 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,040 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,171 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,087 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,095 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,237 |
| Which City in Europe? | 0 | - | 4.83 | 107,680 |
| Which City in Texas? | 0 | - | 4.45 | 25,126 |
| Which City in Florida? | 0 | - | 4.61 | 11,007 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,751 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,409 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,288 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,208 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,630 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,997 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,173 |
| North American Sports Cities | 0 | - | 4.83 | 172,782 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,446 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,851 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,774 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,592 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,480 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,687 |
| Name a Valid World City | 0 | - | 4.83 | 71,599 |
| Find the City #1 | 0 | - | 4.97 | 43,100 |
| Cities by Former Name | 0 | - | 4.83 | 91,812 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,545 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,734 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,680 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,828 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,852 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,716 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,570 |
| Countries by Capital City | 0 | - | 5.00 | 68,845 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,502 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,935 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,618 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,521 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,517 |
| Moved Capital Cities | 0 | - | 4.96 | 74,432 |
| World Capitals by Map | 0 | - | 5.00 | 288,038 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,592 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,400 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,693 |
| Random Country to Capital | 0 | - | 4.98 | 924,084 |
| Capitals Starting With H | 0 | - | 4.91 | 92,829 |
| Capitals Starting With K | 0 | - | 4.88 | 83,881 |
| Capitals Starting With L | 0 | - | 4.81 | 88,348 |
| Capitals Starting With M | 0 | - | 4.93 | 108,241 |
| Capitals Starting With P | 0 | - | 4.88 | 78,464 |
| Capitals Starting With R | 0 | - | 4.87 | 82,070 |
| Capitals Starting With S | 0 | - | 4.90 | 86,054 |
| Capitals Starting With T | 0 | - | 4.84 | 76,397 |
| Capitals Starting With W | 0 | - | 4.87 | 91,450 |
| Capitals Starting With A | 0 | - | 4.97 | 128,425 |
| Capitals Starting With B | 0 | - | 4.88 | 118,843 |
| Capitals Starting With D | 0 | - | 4.93 | 96,731 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,193 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,088 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,824 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,739 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,637 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,130 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,259 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,907 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,286 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,419 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,542 |
| Which City in Canada? | 0 | - | 4.83 | 57,201 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,072 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,819 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,497 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,253 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,681 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,817 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,924 |
| Cities in European History #1 | 0 | - | 4.63 | 134,325 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,657 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,399 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,824 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,612 |
| North America Cities by Map | 0 | - | 4.41 | 47,876 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,920 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,176 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,546 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,752 |
| ALL California Cities | 0 | - | 4.37 | 43,151 |
| Random European City to Country | 0 | - | 4.69 | 118,162 |
| Random Asian City to Country | 0 | - | 4.56 | 44,571 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,372 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,211 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,285 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| Former Capitals | 0 | - | 4.88 | 71,563 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,016 |
| Capital Cities Chain | 0 | - | 4.84 | 83,070 |
| Coldest World Capitals | 0 | - | 4.95 | 133,965 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,862 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,204 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,221 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,162 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,012 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,605 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,012 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,687 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,829 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,518 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,435 |
| Scotland A-Z | 0 | - | 4.73 | 41,366 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,983 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,607 |
