| Random Capital to Country | 0 | - | 4.99 | 2,591,999 |
| Random Country to Capital | 0 | - | 4.98 | 920,915 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,044 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,502 |
| Capital Cities Chain | 0 | - | 4.84 | 82,768 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,925 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,822 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,048 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,183 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,635 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,332 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,144 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,491 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,005 |
| Random European City to Country | 0 | - | 4.69 | 117,709 |
| Random Asian City to Country | 0 | - | 4.56 | 44,540 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,082 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,658 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,800 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,542 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,197 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,375 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,177 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,045 |
| Name a Valid African Country | 0 | - | 4.98 | 154,125 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,756 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,119 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,432 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,550 |
| Countries with Megacities | 0 | - | 4.99 | 263,622 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,383 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,291 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,664 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,331 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,188 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,281 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,433 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,529 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,266 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,047 |
| Countries by Capital City | 0 | - | 5.00 | 68,329 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,191 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,669 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,527 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,230 |
| Moved Capital Cities | 0 | - | 4.96 | 74,223 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,573 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,394 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,683 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,523 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,177 |
| Random European Capital to Country | 0 | - | 4.98 | 190,964 |
| Random European Country to Capital | 0 | - | 4.93 | 165,173 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,472 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,776 |
| Random African Capital to Country | 0 | - | 4.97 | 100,760 |
| Random African Country to Capital | 0 | - | 4.94 | 71,250 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,104 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,002 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,914 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,743 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,860 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,938 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,416 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,567 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,099 |
| Resort Towns by Country | 0 | - | 4.30 | 40,020 |
| North American Sports Cities | 0 | - | 4.83 | 172,414 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,336 |
| Random U.S. City to State | 0 | - | 4.45 | 76,335 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,412 |
| Name a City - European Countries | 0 | - | 4.90 | 65,407 |
| Name a Valid World City | 0 | - | 4.83 | 71,251 |
| Cities by Former Name | 0 | - | 4.83 | 91,592 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,967 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,185 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,411 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,668 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,239 |
| World Capitals by Map | 0 | - | 5.00 | 286,562 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,331 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,836 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,005 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,749 |
| Capitals Starting With H | 0 | - | 4.91 | 92,602 |
| Capitals Starting With K | 0 | - | 4.88 | 83,577 |
| Capitals Starting With L | 0 | - | 4.81 | 88,130 |
| Capitals Starting With M | 0 | - | 4.93 | 107,857 |
| Capitals Starting With P | 0 | - | 4.88 | 78,242 |
| Capitals Starting With R | 0 | - | 4.87 | 81,873 |
| Capitals Starting With S | 0 | - | 4.90 | 85,827 |
| Capitals Starting With T | 0 | - | 4.85 | 76,196 |
| Capitals Starting With W | 0 | - | 4.87 | 91,325 |
| Capitals Starting With A | 0 | - | 4.97 | 128,124 |
| Capitals Starting With B | 0 | - | 4.89 | 118,554 |
| Capitals Starting With D | 0 | - | 4.93 | 96,491 |
| Which City in Europe? | 0 | - | 4.83 | 107,422 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,118 |
| Olympic Host Countries | 0 | - | 4.98 | 200,800 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,870 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,318 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,617 |
| The Only European Country ... | 0 | - | 4.91 | 216,753 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,350 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,203 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,664 |
| Countries of Africa | 0 | - | 5.00 | 2,538,204 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,509 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,842 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,963 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,770 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,368 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,482 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,613 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,431 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,892 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,662 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,625 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,485 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,922 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,187 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,336 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,910 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,033 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,317 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,208 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,771 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,265 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,557 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,276 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,246 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,408 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,878 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,147 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,567 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,728 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,012 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,114 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,140 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,925 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,819 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,230 |
| Former Capitals | 0 | - | 4.88 | 71,471 |
| Europe Capital to Country | 0 | - | 4.99 | 250,402 |
| Asia Capital to Country | 0 | - | 4.96 | 126,692 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,920 |
| European Capitals by Map | 0 | - | 4.99 | 139,301 |
| African Capitals by Map | 0 | - | 4.99 | 133,834 |
| Coldest World Capitals | 0 | - | 4.95 | 133,575 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,449 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,106 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,448 |
| European Coastal Capitals | 0 | - | 4.95 | 90,626 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,601 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,108 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,116 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,844 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,594 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,066 |
| Which City in Canada? | 0 | - | 4.83 | 57,087 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,812 |
| Countries of the Middle East | 0 | - | 4.96 | 201,235 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,336 |
| Slavic Countries | 0 | - | 4.96 | 111,703 |
| Countries by Emojis | 0 | - | 4.99 | 239,808 |
| African Island Countries | 0 | - | 4.96 | 101,665 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,967 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,893 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,287 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,087 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,004 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,155 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,654 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,942 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,542 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,569 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,164 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,044 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,707 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,783 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,626 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,253 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,242 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,618 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,286 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,184 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,026 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,297 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,193 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,957 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,907 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,373 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,852 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,453 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,314 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,989 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,771 |
| Official Cities in the UK | 0 | - | 4.89 | 283,899 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,538 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,594 |
