| Name a City - European Countries | 0 | - | 4.90 | 65,700 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,465 |
| Europe Capital to Country | 0 | - | 4.99 | 251,017 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,277 |
| European Capitals by Map | 0 | - | 4.99 | 140,145 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,340 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,683 |
| European Coastal Capitals | 0 | - | 4.95 | 90,867 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,699 |
| Official Cities in the UK | 0 | - | 4.89 | 284,701 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,240 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,324 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,442 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,453 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,547 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,185 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,129 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,869 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,313 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,623 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,631 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,021 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,388 |
| Asia Capital to Country | 0 | - | 4.96 | 126,907 |
| African Capitals by Map | 0 | - | 4.99 | 134,256 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,707 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,695 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,990 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,941 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,631 |
| Slavic Countries | 0 | - | 4.96 | 111,945 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,460 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,996 |
| Which City in Europe? | 0 | - | 4.83 | 107,615 |
| Cities in European History #1 | 0 | - | 4.63 | 134,247 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,804 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,092 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,813 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,890 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,430 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,718 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,729 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,765 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,571 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,060 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,573 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,142 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,946 |
| Capitals of the Stans | 0 | - | 4.95 | 26,941 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,642 |
| Random European City to Country | 0 | - | 4.69 | 118,027 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,276 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,087 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,303 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,604 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,598 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,728 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,558 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,420 |
| Countries by Capital City | 0 | - | 5.00 | 68,709 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,415 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,858 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,451 |
| Moved Capital Cities | 0 | - | 4.96 | 74,386 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,663 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,473 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,509 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,426 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,332 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,587 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,503 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,598 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,937 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,830 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,401 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,319 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,825 |
| Random European Capital to Country | 0 | - | 4.98 | 191,531 |
| Random European Country to Capital | 0 | - | 4.93 | 165,463 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,692 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,038 |
| Random African Capital to Country | 0 | - | 4.97 | 100,939 |
| Random African Country to Capital | 0 | - | 4.94 | 71,431 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,629 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,458 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,003 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,935 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,901 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,566 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,105 |
| North American Sports Cities | 0 | - | 4.83 | 172,697 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,421 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,980 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,864 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,466 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,868 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,616 |
| Name a Valid World City | 0 | - | 4.83 | 71,526 |
| Cities by Former Name | 0 | - | 4.83 | 91,763 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,506 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,779 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,450 |
| World Capitals by Map | 0 | - | 5.00 | 287,630 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,511 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,359 |
| Random Country to Capital | 0 | - | 4.98 | 923,281 |
| Capitals Starting With H | 0 | - | 4.91 | 92,762 |
| Capitals Starting With K | 0 | - | 4.88 | 83,817 |
| Capitals Starting With L | 0 | - | 4.81 | 88,285 |
| Capitals Starting With M | 0 | - | 4.93 | 108,125 |
| Capitals Starting With P | 0 | - | 4.88 | 78,388 |
| Capitals Starting With R | 0 | - | 4.87 | 82,010 |
| Capitals Starting With S | 0 | - | 4.90 | 85,995 |
| Capitals Starting With T | 0 | - | 4.84 | 76,345 |
| Capitals Starting With W | 0 | - | 4.87 | 91,420 |
| Capitals Starting With A | 0 | - | 4.97 | 128,345 |
| Capitals Starting With B | 0 | - | 4.89 | 118,761 |
| Capitals Starting With D | 0 | - | 4.93 | 96,667 |
| European Cities by Clue | 0 | - | 4.70 | 89,102 |
| Boroughs of London | 0 | - | 4.63 | 88,147 |
| London Geography | 0 | - | 4.47 | 59,755 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,687 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,782 |
| The Only European Country ... | 0 | - | 4.91 | 217,558 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,684 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,175 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,908 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,362 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,163 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,012 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,055 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,947 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,103 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,342 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,195 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,490 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,266 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,516 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,961 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,179 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,638 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,442 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,357 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,595 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,232 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,093 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,448 |
| Former Capitals | 0 | - | 4.88 | 71,538 |
| Capital Cities Chain | 0 | - | 4.84 | 83,000 |
| Coldest World Capitals | 0 | - | 4.95 | 133,677 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,798 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,523 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,431 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,151 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,979 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,964 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,287 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,521 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,714 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,979 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,492 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,561 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,395 |
| Counties of England | 0 | - | 4.97 | 799,356 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| North America Cities by Map | 0 | - | 4.41 | 47,860 |
| Random Asian City to Country | 0 | - | 4.56 | 44,563 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,273 |
| Which City in Canada? | 0 | - | 4.83 | 57,162 |
| Most Mentioned Allies of Russia | 0 | - | 4.49 | 38,083 |
| Most Mentioned Enemies of Russia | 0 | - | 4.69 | 90,149 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,307 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,740 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,398 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,605 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,881 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,346 |
| Ancient City to Country | 0 | - | 4.70 | 108,162 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,444 |
| City-States | 0 | - | 4.53 | 37,316 |
| South American Cities on the Map | 0 | - | 4.53 | 35,476 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,749 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,360 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,873 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,043 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,728 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,001 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,648 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,215 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,180 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,202 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,159 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,564 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,627 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,255 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,987 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,380 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,743 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,217 |
