| Nordic Countries and Capitals | 0 | - | 4.95 | 83,424 |
| Europe Capital to Country | 0 | - | 4.99 | 249,143 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,319 |
| European Capitals by Map | 0 | - | 4.99 | 138,051 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,708 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,078 |
| European Coastal Capitals | 0 | - | 4.95 | 90,213 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,127 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,783 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,774 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,980 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,064 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,367 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,808 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,802 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,962 |
| Asia Capital to Country | 0 | - | 4.96 | 126,263 |
| African Capitals by Map | 0 | - | 4.99 | 132,989 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,834 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,395 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,526 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,392 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,643 |
| Random European Capital to Country | 0 | - | 4.98 | 190,296 |
| Random European Country to Capital | 0 | - | 4.93 | 161,888 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,900 |
| Official Cities in the UK | 0 | - | 4.89 | 282,453 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,640 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,522 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,087 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,576 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,921 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,328 |
| Capitals of the Stans | 0 | - | 4.95 | 26,651 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,769 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,439 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,796 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,498 |
| Name a City - European Countries | 0 | - | 4.91 | 65,002 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,019 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,961 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,073 |
| Random African Capital to Country | 0 | - | 4.97 | 100,257 |
| Random African Country to Capital | 0 | - | 4.94 | 70,862 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,926 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,562 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,841 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,898 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,023 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,588 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,205 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,597 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,263 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,001 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,122 |
| Cities in European History #1 | 0 | - | 4.63 | 133,622 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,898 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,859 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,236 |
| Boroughs of London | 0 | - | 4.63 | 87,471 |
| London Geography | 0 | - | 4.47 | 59,591 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,992 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,346 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,167 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,953 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,704 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,974 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,190 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,352 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,566 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,666 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,454 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,320 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,058 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,480 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,694 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,540 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,745 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,759 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,303 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,559 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,594 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,216 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,565 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,498 |
| Find the City #1 | 0 | - | 4.97 | 42,548 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,703 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,114 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,144 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,710 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,319 |
| Countries by Capital City | 0 | - | 5.00 | 67,633 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,829 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,323 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,056 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,786 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,117 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,859 |
| Moved Capital Cities | 0 | - | 4.96 | 73,946 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,897 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,248 |
| Which City in Europe? | 0 | - | 4.83 | 107,074 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,984 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,308 |
| North American Sports Cities | 0 | - | 4.83 | 171,538 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,079 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,822 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,107 |
| Name a Valid World City | 0 | - | 4.83 | 70,749 |
| Cities by Former Name | 0 | - | 4.84 | 91,318 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,260 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,487 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,654 |
| World Capitals by Map | 0 | - | 5.00 | 285,066 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,028 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,571 |
| Random Country to Capital | 0 | - | 4.98 | 916,154 |
| Capitals Starting With H | 0 | - | 4.90 | 91,807 |
| Capitals Starting With K | 0 | - | 4.85 | 76,004 |
| Capitals Starting With L | 0 | - | 4.81 | 87,220 |
| Capitals Starting With M | 0 | - | 4.93 | 106,687 |
| Capitals Starting With P | 0 | - | 4.88 | 77,509 |
| Capitals Starting With R | 0 | - | 4.87 | 81,284 |
| Capitals Starting With S | 0 | - | 4.89 | 85,139 |
| Capitals Starting With T | 0 | - | 4.84 | 75,620 |
| Capitals Starting With W | 0 | - | 4.87 | 90,903 |
| Capitals Starting With A | 0 | - | 4.97 | 127,043 |
| Capitals Starting With B | 0 | - | 4.89 | 117,707 |
| Capitals Starting With D | 0 | - | 4.93 | 95,784 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,590 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,963 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,278 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,668 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,847 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,085 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,544 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,529 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,228 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,069 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,765 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,983 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,722 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,615 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,004 |
| Which City in Canada? | 0 | - | 4.82 | 56,894 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,032 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,520 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,447 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,965 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,531 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,453 |
| North America Cities by Map | 0 | - | 4.41 | 47,728 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,629 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,154 |
| Random European City to Country | 0 | - | 4.69 | 117,237 |
| Random Asian City to Country | 0 | - | 4.56 | 44,445 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,202 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,593 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,806 |
| Former Capitals | 0 | - | 4.88 | 71,315 |
| Capital Cities Chain | 0 | - | 4.84 | 82,327 |
| Coldest World Capitals | 0 | - | 4.95 | 133,258 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,242 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,499 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,665 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,152 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,876 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,452 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,920 |
| US States and State Capitals | 0 | - | 4.99 | 160,593 |
| Geography of Rome | 0 | - | 4.51 | 16,644 |
| Paris City Trivia | 0 | - | 4.31 | 35,513 |
| Venice Trivia | 0 | - | 4.45 | 10,442 |
| Milan Trivia | 0 | - | 4.56 | 15,151 |
| Berlin City Trivia | 0 | - | 4.67 | 13,158 |
| Rome City Trivia | 0 | - | 4.49 | 20,632 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,502 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,015 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,628 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,867 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,631 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,449 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,075 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,208 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,173 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,754 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,095 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,180 |
| South American Cities on the Map | 0 | - | 4.56 | 35,333 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,654 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,210 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,806 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,427 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,649 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,974 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,727 |
| Name a City in EVERY Country - No Capitals | 0 | - | 4.63 | 66,795 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,316 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,878 |
