| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,240 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,783 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,933 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,549 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,079 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,992 |
| Random European Capital to Country | 0 | - | 4.98 | 189,146 |
| Random European Country to Capital | 0 | - | 4.92 | 147,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,340 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,370 |
| Random African Capital to Country | 0 | - | 4.97 | 99,711 |
| Random African Country to Capital | 0 | - | 4.94 | 70,197 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,796 |
| Europe Capital to Country | 0 | - | 4.99 | 247,449 |
| Asia Capital to Country | 0 | - | 4.96 | 125,706 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,398 |
| European Capitals by Map | 0 | - | 4.99 | 136,148 |
| African Capitals by Map | 0 | - | 4.99 | 132,112 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,066 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,143 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,711 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,635 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,685 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,246 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,605 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,796 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,418 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,480 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,078 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,052 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,204 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,782 |
| Countries that Start with D | 0 | - | 4.96 | 701,166 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,080 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,309 |
| Countries that Start with H | 0 | - | 4.96 | 597,631 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,923 |
| Countries that Start with J | 0 | - | 4.98 | 595,695 |
| Countries that Start with K | 0 | - | 4.97 | 809,126 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,546 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,411 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,246 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,074 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,968 |
| Countries that Start with U | 0 | - | 4.97 | 899,735 |
| Countries that Start with V | 0 | - | 4.98 | 604,904 |
| Countries that Start with F | 0 | - | 4.83 | 611,938 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,960 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,755 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,631 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,376 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,077 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,139 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,680 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,414 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,742 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,315 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,693 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,487 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,341 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,164 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,373 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,646 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,602 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,016 |
| Name a Valid African Country | 0 | - | 4.98 | 152,899 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,503 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,481 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,000 |
| Countries with Megacities | 0 | - | 4.99 | 246,534 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,920 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,800 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,372 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,760 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,696 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,888 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,617 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,572 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,558 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,351 |
| Countries by Capital City | 0 | - | 5.00 | 66,570 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,289 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,872 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,248 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,411 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,392 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,178 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,749 |
| Moved Capital Cities | 0 | - | 4.96 | 73,558 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,222 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,151 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,508 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,070 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,790 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,508 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,873 |
| Which City in Europe? | 0 | - | 4.83 | 106,595 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,508 |
| Countries that Beat China | 0 | - | 4.86 | 114,675 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,859 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,779 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,829 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,827 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,443 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,543 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,208 |
| Resort Towns by Country | 0 | - | 4.30 | 39,917 |
| North American Sports Cities | 0 | - | 4.83 | 170,852 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,905 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,696 |
| Cities by Former Name | 0 | - | 4.84 | 90,937 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,223 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,880 |
| World Capitals by Map | 0 | - | 5.00 | 283,086 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,636 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,461 |
| Random Country to Capital | 0 | - | 4.98 | 911,282 |
| Capitals Starting With H | 0 | - | 4.90 | 90,654 |
| Capitals Starting With K | 0 | - | 4.85 | 75,652 |
| Capitals Starting With L | 0 | - | 4.81 | 86,795 |
| Capitals Starting With M | 0 | - | 4.93 | 106,001 |
| Capitals Starting With P | 0 | - | 4.88 | 77,154 |
| Capitals Starting With R | 0 | - | 4.87 | 80,940 |
| Capitals Starting With S | 0 | - | 4.89 | 84,774 |
| Capitals Starting With T | 0 | - | 4.84 | 75,264 |
| Capitals Starting With W | 0 | - | 4.89 | 90,583 |
| Capitals Starting With A | 0 | - | 4.97 | 126,498 |
| Capitals Starting With B | 0 | - | 4.89 | 117,242 |
| Capitals Starting With D | 0 | - | 4.93 | 95,343 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,308 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,893 |
| Olympic Host Countries | 0 | - | 4.98 | 198,837 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,469 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,244 |
| The Only European Country ... | 0 | - | 4.91 | 213,709 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,037 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,180 |
| Countries of Africa | 0 | - | 5.00 | 2,506,577 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,935 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,153 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,114 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,263 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,861 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,541 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,499 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,405 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,241 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,221 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,567 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,769 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,166 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,298 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,315 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,156 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,045 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,753 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,636 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,308 |
| Former Capitals | 0 | - | 4.88 | 71,128 |
| Capital Cities Chain | 0 | - | 4.84 | 81,886 |
| Coldest World Capitals | 0 | - | 4.95 | 133,027 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,762 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,199 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,956 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,317 |
| Which City in Canada? | 0 | - | 4.83 | 56,644 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,229 |
| Countries of the Middle East | 0 | - | 4.96 | 198,835 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,215 |
| Slavic Countries | 0 | - | 4.96 | 110,819 |
| African Island Countries | 0 | - | 4.96 | 100,743 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,284 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,950 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,072 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,040 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,248 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,667 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,447 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,035 |
| Countries that Start with R | 0 | - | 4.43 | 443,447 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,741 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,572 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,671 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,730 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,137 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,539 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,218 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
