| Random European Capital to Country | 0 | - | 4.98 | 190,895 |
| Random European Country to Capital | 0 | - | 4.93 | 165,116 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,449 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,751 |
| Random African Capital to Country | 0 | - | 4.97 | 100,714 |
| Random African Country to Capital | 0 | - | 4.94 | 71,200 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,586 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,140 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,363 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,619 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,792 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,891 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,653 |
| Europe Capital to Country | 0 | - | 4.99 | 250,100 |
| Asia Capital to Country | 0 | - | 4.96 | 126,656 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,864 |
| European Capitals by Map | 0 | - | 4.99 | 139,135 |
| African Capitals by Map | 0 | - | 4.99 | 133,777 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,385 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,060 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,409 |
| European Coastal Capitals | 0 | - | 4.95 | 90,587 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,584 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,970 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,986 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,825 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,828 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,984 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,707 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,091 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,377 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,764 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,467 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,030 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,256 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,826 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,170 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,359 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,280 |
| Capitals of the Stans | 0 | - | 4.95 | 26,840 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,203 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,195 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,032 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,092 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,148 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,540 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,302 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,440 |
| Countries with Megacities | 0 | - | 4.99 | 263,306 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,279 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,231 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,576 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,270 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,110 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,234 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,393 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,480 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,211 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,971 |
| Countries by Capital City | 0 | - | 5.00 | 68,251 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,156 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,639 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,386 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,466 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,188 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,518 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,182 |
| Moved Capital Cities | 0 | - | 4.96 | 74,202 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,639 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,050 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,325 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,842 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,998 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,157 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,135 |
| Countries that Beat China | 0 | - | 4.85 | 115,821 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,714 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,783 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,891 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,390 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,531 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,075 |
| North American Sports Cities | 0 | - | 4.83 | 172,366 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,317 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,383 |
| Name a City - European Countries | 0 | - | 4.90 | 65,368 |
| Cities by Former Name | 0 | - | 4.83 | 91,565 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,392 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,653 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,191 |
| World Capitals by Map | 0 | - | 5.00 | 286,408 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,303 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,085 |
| Random Country to Capital | 0 | - | 4.98 | 920,389 |
| Capitals Starting With H | 0 | - | 4.91 | 92,544 |
| Capitals Starting With K | 0 | - | 4.88 | 83,463 |
| Capitals Starting With L | 0 | - | 4.81 | 88,068 |
| Capitals Starting With M | 0 | - | 4.93 | 107,777 |
| Capitals Starting With P | 0 | - | 4.88 | 78,198 |
| Capitals Starting With R | 0 | - | 4.87 | 81,820 |
| Capitals Starting With S | 0 | - | 4.90 | 85,777 |
| Capitals Starting With T | 0 | - | 4.85 | 76,167 |
| Capitals Starting With W | 0 | - | 4.87 | 91,299 |
| Capitals Starting With A | 0 | - | 4.97 | 127,900 |
| Capitals Starting With B | 0 | - | 4.89 | 118,464 |
| Capitals Starting With D | 0 | - | 4.93 | 96,423 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,553 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,019 |
| Olympic Host Countries | 0 | - | 4.98 | 200,721 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,823 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,234 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,410 |
| The Only European Country ... | 0 | - | 4.91 | 216,608 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,243 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,120 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Countries of Africa | 0 | - | 5.00 | 2,536,842 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,757 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,610 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,604 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,435 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,880 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,146 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,307 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,940 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,982 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,270 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,192 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,739 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,248 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,536 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,240 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,558 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,669 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,962 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,015 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,083 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,871 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,793 |
| Former Capitals | 0 | - | 4.88 | 71,455 |
| Capital Cities Chain | 0 | - | 4.84 | 82,730 |
| Coldest World Capitals | 0 | - | 4.95 | 133,556 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,557 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,946 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,766 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,888 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,234 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,653 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,695 |
| Countries of the Middle East | 0 | - | 4.96 | 201,162 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,279 |
| Slavic Countries | 0 | - | 4.96 | 111,653 |
| African Island Countries | 0 | - | 4.96 | 101,629 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,877 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,195 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,017 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,956 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,117 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,165 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,890 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,510 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,500 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,125 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,969 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,656 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,730 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,605 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,220 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,201 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,573 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,228 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,147 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,992 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,258 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,240 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,386 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,864 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,185 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,548 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,462 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,166 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,931 |
| Countries that Start with D | 0 | - | 4.96 | 709,509 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,069 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,170 |
| Countries that Start with H | 0 | - | 4.96 | 604,687 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,230 |
| Countries that Start with J | 0 | - | 4.98 | 602,369 |
| Countries that Start with K | 0 | - | 4.97 | 815,726 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,653 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,630 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,035 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,684 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,775 |
| Countries that Start with U | 0 | - | 4.97 | 904,451 |
| Countries that Start with V | 0 | - | 4.98 | 609,326 |
| Countries that Start with F | 0 | - | 4.83 | 617,557 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,585 |
