| Name a Valid European Capital | 0 | - | 4.95 | 152,662 |
| Name a City - European Countries | 0 | - | 4.90 | 65,582 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,352 |
| Europe Capital to Country | 0 | - | 4.99 | 250,803 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,161 |
| European Capitals by Map | 0 | - | 4.99 | 139,872 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,270 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,599 |
| European Coastal Capitals | 0 | - | 4.95 | 90,778 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,464 |
| Official Cities in the UK | 0 | - | 4.89 | 284,416 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,190 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,275 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,899 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,389 |
| Which City in Europe? | 0 | - | 4.83 | 107,540 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,358 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,135 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,279 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,879 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,994 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,499 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,481 |
| Random European City to Country | 0 | - | 4.69 | 117,855 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,584 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,396 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,328 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,464 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,379 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,920 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,593 |
| Asia Capital to Country | 0 | - | 4.96 | 126,838 |
| African Capitals by Map | 0 | - | 4.99 | 134,112 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,606 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,658 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,736 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,907 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,291 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,920 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,068 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,734 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,291 |
| Cities in European History #1 | 0 | - | 4.63 | 134,180 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,964 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,381 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,789 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,988 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,655 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,369 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,506 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,686 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,494 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,002 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,535 |
| European Cities by Clue | 0 | - | 4.70 | 89,089 |
| Capitals of the Stans | 0 | - | 4.95 | 26,904 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,242 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,204 |
| Which City in Canada? | 0 | - | 4.83 | 57,136 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,706 |
| Random Asian City to Country | 0 | - | 4.56 | 44,559 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,159 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,976 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,225 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,356 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,443 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,727 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,489 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,197 |
| Name a Valid African Country | 0 | - | 4.98 | 154,313 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,572 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,419 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,487 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,532 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,910 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,507 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,528 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,654 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,462 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,267 |
| Countries by Capital City | 0 | - | 5.00 | 68,596 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,352 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,793 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,035 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,375 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,387 |
| Moved Capital Cities | 0 | - | 4.96 | 74,326 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,624 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,419 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,621 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,578 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,733 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,767 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,639 |
| Random European Capital to Country | 0 | - | 4.98 | 191,182 |
| Random European Country to Capital | 0 | - | 4.93 | 165,353 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,575 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,928 |
| Random African Capital to Country | 0 | - | 4.97 | 100,855 |
| Random African Country to Capital | 0 | - | 4.94 | 71,362 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,219 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,501 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,797 |
| Which City in Germany? | 0 | - | 4.50 | 136,749 |
| Which City in Italy? | 0 | - | 4.68 | 90,282 |
| Which City in France? | 0 | - | 4.64 | 73,179 |
| Which City in Spain? | 0 | - | 4.50 | 49,992 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,041 |
| North American Sports Cities | 0 | - | 4.83 | 172,614 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,380 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,856 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,259 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,854 |
| Random U.S. City to State | 0 | - | 4.45 | 76,488 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,962 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,527 |
| Name a Valid World City | 0 | - | 4.83 | 71,426 |
| Cities by Former Name | 0 | - | 4.83 | 91,698 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,469 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,742 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,039 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,372 |
| World Capitals by Map | 0 | - | 5.00 | 287,331 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,445 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,213 |
| Random Country to Capital | 0 | - | 4.98 | 922,534 |
| Capitals Starting With H | 0 | - | 4.91 | 92,703 |
| Capitals Starting With K | 0 | - | 4.88 | 83,746 |
| Capitals Starting With L | 0 | - | 4.81 | 88,232 |
| Capitals Starting With M | 0 | - | 4.93 | 108,033 |
| Capitals Starting With P | 0 | - | 4.88 | 78,330 |
| Capitals Starting With R | 0 | - | 4.87 | 81,965 |
| Capitals Starting With S | 0 | - | 4.90 | 85,937 |
| Capitals Starting With T | 0 | - | 4.84 | 76,291 |
| Capitals Starting With W | 0 | - | 4.87 | 91,385 |
| Capitals Starting With A | 0 | - | 4.97 | 128,264 |
| Capitals Starting With B | 0 | - | 4.89 | 118,683 |
| Capitals Starting With D | 0 | - | 4.93 | 96,608 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,288 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,180 |
| Boroughs of London | 0 | - | 4.63 | 88,080 |
| London Geography | 0 | - | 4.47 | 59,730 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,488 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,625 |
| The Only European Country ... | 0 | - | 4.91 | 217,304 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,513 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,030 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,049 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,697 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,627 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,485 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,956 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,526 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,903 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,433 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,148 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,427 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,855 |
| Which City in Africa? | 0 | - | 4.77 | 57,876 |
| Which City in Asia? | 0 | - | 4.52 | 51,439 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,902 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,255 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,473 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,936 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,082 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,171 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,609 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,614 |
| North America Cities by Map | 0 | - | 4.41 | 47,838 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,156 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,455 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,066 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,922 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,388 |
| Former Capitals | 0 | - | 4.88 | 71,512 |
| Capital Cities Chain | 0 | - | 4.83 | 82,915 |
| Coldest World Capitals | 0 | - | 4.95 | 133,645 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,742 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,090 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,179 |
| Which City in Latin America? | 0 | - | 4.63 | 47,064 |
| Which City in Australia? | 0 | - | 4.67 | 34,449 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,289 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,524 |
| Slavic Countries | 0 | - | 4.96 | 111,854 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,583 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,885 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,400 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,334 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,365 |
| Counties of England | 0 | - | 4.97 | 798,584 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,189 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,623 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,319 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,565 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,127 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,563 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,943 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,158 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,597 |
