| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,267 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,102 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,109 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,778 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,466 |
| Europe Capital to Country | 0 | - | 4.99 | 247,670 |
| Asia Capital to Country | 0 | - | 4.96 | 125,738 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,432 |
| European Capitals by Map | 0 | - | 4.99 | 136,223 |
| African Capitals by Map | 0 | - | 4.99 | 132,137 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,117 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,166 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,593 |
| European Coastal Capitals | 0 | - | 4.95 | 89,731 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,754 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,758 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,414 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,029 |
| Random European Capital to Country | 0 | - | 4.98 | 189,186 |
| Random European Country to Capital | 0 | - | 4.92 | 147,434 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,390 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,384 |
| Random African Capital to Country | 0 | - | 4.97 | 99,730 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,685 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,734 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,188 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,816 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,655 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,400 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,092 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,166 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,696 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,433 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| Capitals of the Stans | 0 | - | 4.95 | 26,402 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,098 |
| Countries with Megacities | 0 | - | 4.99 | 246,731 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,027 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,893 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,450 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,804 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,738 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,919 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,641 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,591 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,596 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,411 |
| Countries by Capital City | 0 | - | 5.00 | 66,611 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,312 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,898 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,403 |
| Moved Capital Cities | 0 | - | 4.96 | 73,575 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,540 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,806 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,561 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,319 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,387 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,818 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,660 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,808 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,879 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,861 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,463 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,575 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,241 |
| North American Sports Cities | 0 | - | 4.83 | 170,880 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,912 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,713 |
| Name a City - European Countries | 0 | - | 4.92 | 64,373 |
| Cities by Former Name | 0 | - | 4.84 | 90,959 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,679 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,229 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,429 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,190 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,917 |
| World Capitals by Map | 0 | - | 5.00 | 283,145 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,654 |
| Capitals Starting With H | 0 | - | 4.90 | 90,823 |
| Capitals Starting With K | 0 | - | 4.85 | 75,674 |
| Capitals Starting With L | 0 | - | 4.81 | 86,822 |
| Capitals Starting With M | 0 | - | 4.93 | 106,033 |
| Capitals Starting With P | 0 | - | 4.88 | 77,179 |
| Capitals Starting With R | 0 | - | 4.87 | 80,964 |
| Capitals Starting With S | 0 | - | 4.89 | 84,797 |
| Capitals Starting With T | 0 | - | 4.84 | 75,285 |
| Capitals Starting With W | 0 | - | 4.89 | 90,601 |
| Capitals Starting With A | 0 | - | 4.97 | 126,536 |
| Capitals Starting With B | 0 | - | 4.89 | 117,279 |
| Capitals Starting With D | 0 | - | 4.93 | 95,371 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,945 |
| Olympic Host Countries | 0 | - | 4.98 | 198,870 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,799 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,516 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,409 |
| The Only European Country ... | 0 | - | 4.91 | 213,779 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,104 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,503 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,198 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,728 |
| Random Country to Capital | 0 | - | 4.98 | 911,468 |
| Countries of Africa | 0 | - | 5.00 | 2,507,309 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,142 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,090 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,570 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,022 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,161 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,795 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,259 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,616 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,808 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,523 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,015 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,197 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,132 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,306 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,897 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,380 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,566 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,284 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,523 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,446 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,271 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,253 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,597 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,553 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,793 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,204 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,301 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,332 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,179 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,086 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,789 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,665 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,325 |
| Former Capitals | 0 | - | 4.88 | 71,131 |
| Capital Cities Chain | 0 | - | 4.84 | 81,903 |
| Coldest World Capitals | 0 | - | 4.95 | 133,038 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,785 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,844 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,982 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,635 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,282 |
| Countries of the Middle East | 0 | - | 4.96 | 198,875 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,239 |
| Slavic Countries | 0 | - | 4.96 | 110,841 |
| African Island Countries | 0 | - | 4.96 | 100,774 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,493 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,380 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,988 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,095 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,074 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,459 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,691 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,470 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,078 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,773 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,598 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,701 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,747 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,146 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,148 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,269 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,549 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,245 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,383 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,223 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,499 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,335 |
| Boundary Waters | 0 | - | 4.92 | 88,031 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,807 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,266 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,266 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,827 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,903 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,969 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,825 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,972 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,819 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,372 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,842 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,923 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,581 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,565 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,409 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,327 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,537 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,999 |
| Ancient City to Country | 0 | - | 4.70 | 107,598 |
| Official Cities in the UK | 0 | - | 4.89 | 280,477 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,093 |
| City-States | 0 | - | 4.53 | 37,093 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,551 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,781 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,479 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,088 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,045 |
