| Europe Capital to Country | 0 | - | 4.99 | 251,512 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,622 |
| European Capitals by Map | 0 | - | 4.99 | 141,312 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,609 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,962 |
| European Coastal Capitals | 0 | - | 4.95 | 91,064 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,205 |
| Random European Capital to Country | 0 | - | 4.98 | 191,802 |
| Random European Country to Capital | 0 | - | 4.93 | 165,648 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,380 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,787 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,455 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,205 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,558 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,875 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,807 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,431 |
| Asia Capital to Country | 0 | - | 4.96 | 127,154 |
| African Capitals by Map | 0 | - | 4.99 | 141,254 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,542 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,065 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,692 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,705 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,043 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,941 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,863 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,246 |
| Random African Capital to Country | 0 | - | 4.97 | 101,140 |
| Random African Country to Capital | 0 | - | 4.94 | 71,585 |
| Official Cities in the UK | 0 | - | 4.89 | 285,381 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,781 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,396 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,952 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,231 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,753 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,107 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,242 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,417 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,885 |
| Capitals of the Stans | 0 | - | 4.95 | 27,049 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,682 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,274 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,434 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,559 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,617 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,262 |
| Name a City - European Countries | 0 | - | 4.90 | 65,925 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,070 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,658 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,258 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,222 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,759 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,108 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,438 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,446 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,470 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,247 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,425 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,472 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 147,785 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,915 |
| Cities in European History #1 | 0 | - | 4.63 | 134,420 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,010 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,841 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,509 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,266 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,160 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,567 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,290 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,691 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,621 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,942 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,553 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,747 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,877 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,776 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,968 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,896 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,749 |
| Countries by Capital City | 0 | - | 5.00 | 69,031 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,621 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,031 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,995 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,613 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,239 |
| Moved Capital Cities | 0 | - | 4.96 | 74,508 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,153 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,836 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,738 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,734 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,946 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,779 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,707 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,171 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,386 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,993 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,645 |
| Which City in Europe? | 0 | - | 4.83 | 107,743 |
| Boroughs of London | 0 | - | 4.63 | 88,311 |
| London Geography | 0 | - | 4.47 | 59,804 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,198 |
| North American Sports Cities | 0 | - | 4.83 | 172,910 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,482 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,419 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,845 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,930 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,876 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,461 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,184 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,767 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,311 |
| Name a Valid World City | 0 | - | 4.84 | 71,706 |
| Cities by Former Name | 0 | - | 4.83 | 91,882 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,588 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,866 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,602 |
| World Capitals by Map | 0 | - | 5.00 | 288,487 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,658 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,857 |
| Random Country to Capital | 0 | - | 4.98 | 925,213 |
| Capitals Starting With H | 0 | - | 4.91 | 92,888 |
| Capitals Starting With K | 0 | - | 4.88 | 83,951 |
| Capitals Starting With L | 0 | - | 4.81 | 88,405 |
| Capitals Starting With M | 0 | - | 4.93 | 108,366 |
| Capitals Starting With P | 0 | - | 4.88 | 78,518 |
| Capitals Starting With R | 0 | - | 4.88 | 82,117 |
| Capitals Starting With S | 0 | - | 4.90 | 86,112 |
| Capitals Starting With T | 0 | - | 4.85 | 76,448 |
| Capitals Starting With W | 0 | - | 4.87 | 91,479 |
| Capitals Starting With A | 0 | - | 4.97 | 128,528 |
| Capitals Starting With B | 0 | - | 4.89 | 118,921 |
| Capitals Starting With D | 0 | - | 4.93 | 96,797 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,233 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,102 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,834 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,751 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,645 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,461 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,693 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,683 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,006 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,465 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,394 |
| Former Capitals | 0 | - | 4.88 | 71,597 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,859 |
| Capital Cities Chain | 0 | - | 4.84 | 83,164 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,672 |
| Coldest World Capitals | 0 | - | 4.95 | 134,052 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,941 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,330 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,599 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,563 |
| Which City in Canada? | 0 | - | 4.83 | 57,255 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,019 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,717 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,614 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,024 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,205 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,659 |
| North America Cities by Map | 0 | - | 4.41 | 47,893 |
| Random European City to Country | 0 | - | 4.69 | 118,236 |
| Random Asian City to Country | 0 | - | 4.56 | 44,584 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,697 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,607 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,821 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,339 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,169 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,044 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,024 |
| US States and State Capitals | 0 | - | 4.99 | 164,497 |
| Which City in Germany? | 0 | - | 4.50 | 137,068 |
| Which City in Italy? | 0 | - | 4.68 | 90,428 |
| Which City in France? | 0 | - | 4.67 | 73,291 |
| Which City in Spain? | 0 | - | 4.50 | 50,066 |
| Which City in Australia? | 0 | - | 4.67 | 34,515 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,803 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,675 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,302 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,648 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,722 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,802 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,507 |
| South American Cities on the Map | 0 | - | 4.52 | 35,518 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,774 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,583 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,128 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,137 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,021 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,245 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,308 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,689 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,024 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,795 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,061 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,366 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,767 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,628 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,426 |
