| Countries of Europe by Population | 0 | - | 4.98 | 179,548 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,948 |
| Name a City - European Countries | 0 | - | 4.91 | 64,985 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,395 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,656 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,585 |
| Europe Capital to Country | 0 | - | 4.99 | 249,117 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,304 |
| European Capitals by Map | 0 | - | 4.99 | 138,025 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,698 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,070 |
| European Coastal Capitals | 0 | - | 4.95 | 90,199 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,103 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,577 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,773 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,606 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,433 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,071 |
| Official Cities in the UK | 0 | - | 4.89 | 282,427 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,770 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,972 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,058 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,862 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,498 |
| Countries with Megacities | 0 | - | 4.99 | 249,436 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,349 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,673 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,679 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,643 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,952 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,114 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,843 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,787 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,758 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,405 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,788 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,959 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,491 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,360 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,052 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,436 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,136 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,178 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,723 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,262 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,559 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,547 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,598 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,088 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,138 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,021 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,217 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,510 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,572 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,091 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,175 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,445 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,273 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,388 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,141 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,474 |
| The Only European Country ... | 0 | - | 4.91 | 215,426 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,475 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,886 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,707 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,106 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,045 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,281 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,733 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,459 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,750 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,180 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,131 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,181 |
| Cities in European History #1 | 0 | - | 4.63 | 133,613 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,275 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,666 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,537 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,320 |
| Which City in Europe? | 0 | - | 4.83 | 107,063 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,428 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,067 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,379 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,971 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,492 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,811 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,971 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,667 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,706 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,651 |
| Largest City by Island | 0 | - | 4.87 | 71,495 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,650 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,428 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,062 |
| Megacities on a World Map | 0 | - | 4.98 | 252,579 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,922 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,075 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,474 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,796 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,216 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 121,407 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,513 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,857 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,139 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,916 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,921 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 91,148 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,027 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,297 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,893 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,199 |
| Asia Capital to Country | 0 | - | 4.96 | 126,254 |
| African Capitals by Map | 0 | - | 4.99 | 132,978 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,826 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,388 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,503 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,638 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,279 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,670 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,828 |
| Slavic Countries | 0 | - | 4.96 | 111,330 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,484 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,591 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,683 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,242 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,779 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,838 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,585 |
| Counties of England | 0 | - | 4.97 | 793,244 |
| Random European City to Country | 0 | - | 4.69 | 117,217 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,770 |
| Boundary Waters | 0 | - | 4.92 | 88,290 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,007 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,716 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,934 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,196 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,112 |
| Most Populous Islands | 0 | - | 4.80 | 122,665 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,257 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,474 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,720 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,874 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,054 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,509 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,213 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,516 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,295 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,785 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,920 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,709 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,632 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,416 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,161 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,584 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,484 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,073 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,765 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,574 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,911 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,963 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,588 |
| Monarchies of Europe | 0 | - | 4.90 | 97,770 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,512 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,050 |
| European Countries with One Border | 0 | - | 4.97 | 182,241 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,098 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,929 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,312 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,769 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,575 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,636 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,406 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,323 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,643 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,948 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,074 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,561 |
| Capitals of the Stans | 0 | - | 4.95 | 26,649 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,452 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,672 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,316 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,047 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,641 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,258 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,996 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,214,379 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,346 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,227 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,278 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,008 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,869 |
| Biggest City by Region | 0 | - | 4.50 | 36,084 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,017 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,724 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,321 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,386 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,242 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,122 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,300 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,108 |
