| Battle to Country | 0 | - | 4.91 | 53,614 |
| Countries in World War I | 0 | - | 4.88 | 228,587 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,522 |
| Independence from Whom | 0 | - | 4.99 | 212,292 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,868 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,644 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,577 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,677 |
| Recently Independent Countries | 0 | - | 4.98 | 159,565 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,371 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,942 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,466 |
| Countries by Former Name | 0 | - | 4.99 | 125,436 |
| Historical City to Country | 0 | - | 4.84 | 78,677 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,645,818 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,961 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,571 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,341 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,981 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,371 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,675 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,483 |
| Countries in World War II | 0 | - | 4.55 | 915,514 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,819 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,735 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,582 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,625 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,784 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,126 |
| Landlocked Countries | 0 | - | 4.99 | 422,782 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,326 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,966 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,898 |
| Orthodox Countries | 0 | - | 4.92 | 132,362 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,134 |
| Monarchies of Europe | 0 | - | 4.90 | 98,440 |
| Monarchies of Asia | 0 | - | 4.97 | 71,288 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,073 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,109 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,327 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,750 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,823 |
| Island Countries | 0 | - | 4.99 | 711,324 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,916 |
| Himalayan Countries | 0 | - | 4.95 | 139,086 |
| Andean Countries | 0 | - | 4.93 | 84,828 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,056 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,158 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,634 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,949 |
| Danube Countries | 0 | - | 4.97 | 72,113 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,155 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,518 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,486 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,984 |
| European Landlocked Countries | 0 | - | 4.99 | 147,249 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,798 |
| Countries with the Most Species | 0 | - | 4.99 | 103,324 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,921 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,638 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,757 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,604 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,337 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,755 |
| Countries in the Alps | 0 | - | 4.87 | 118,331 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,632 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,230 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,732 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,688 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,607 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,013 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,774 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,582 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,231 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,701 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,578 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,308 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,548 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,614 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,093 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,379 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,583 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,373 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,370 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,296 |
| Largest Countries By Category | 0 | - | 4.97 | 158,362 |
| Countries by Countries | 0 | - | 4.96 | 63,332 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,681 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,796 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,314 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,762 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,899 |
| Northernmost Countries | 0 | - | 4.99 | 362,352 |
| Countries of South America | 0 | - | 5.00 | 928,500 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,350 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,733 |
| "Land" Countries | 0 | - | 4.98 | 337,569 |
| Countries by Independence Day | 0 | - | 4.62 | 52,795 |
| Former Countries by Capital | 0 | - | 4.45 | 127,632 |
| Former Countries | 0 | - | 4.75 | 133,985 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,370 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,952 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,881 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,906 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,467 |
| Communist Countries in History | 0 | - | 4.63 | 496,855 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,423 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,346 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,543 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,496 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,290 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,137 |
| Countries with Megacities | 0 | - | 4.99 | 265,134 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,954 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,603 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,217 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,675 |
| Countries by Official Language | 0 | - | 4.95 | 195,417 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,604 |
| Countries in their Native Language | 0 | - | 4.99 | 199,201 |
| Subdivisions by Country | 0 | - | 4.87 | 50,468 |
| Megadiverse Countries | 0 | - | 4.96 | 135,079 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,226 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,398 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,276 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,135 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,233 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,383 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,699 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,174 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,857 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,933 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,250 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,005 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,401 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,536 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,455 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,836 |
| World Map Quiz | 0 | - | 4.81 | 65,207 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,706 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,427 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,257 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,372 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,083 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,475 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,985 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,090 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,372 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,487 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,630 |
| Widest Countries East to West | 0 | - | 4.92 | 129,727 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,475 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,479 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,152 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,821 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,667 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,945 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,402 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,815 |
| Political Movements by Country | 0 | - | 4.46 | 72,651 |
| Countries with Double Letters | 0 | - | 4.96 | 96,417 |
| Countries that End in N | 0 | - | 4.95 | 171,302 |
| Countries with Five Letters | 0 | - | 4.96 | 282,811 |
| Countries with Six Letters | 0 | - | 4.94 | 213,749 |
| Countries with W | 0 | - | 4.97 | 160,457 |
| Countries with Z | 0 | - | 4.98 | 291,662 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,827 |
| Countries That End in U | 0 | - | 4.95 | 120,914 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,589 |
| Countries that End in O | 0 | - | 4.92 | 159,570 |
| Countries that End in R | 0 | - | 4.87 | 119,006 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,768 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,263 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,776 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,548 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,463 |
| Countries That End in Y | 0 | - | 4.91 | 185,927 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,027 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,949 |
| Countries that End in I | 0 | - | 4.94 | 135,146 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,208 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,865 |
| Countries That End in NIA | 0 | - | 4.92 | 109,843 |
| Countries That End in BIA | 0 | - | 4.93 | 149,281 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,193 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,489 |
| Countries That End in RIA | 0 | - | 4.93 | 126,862 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,082 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,827 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,810 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,242 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,794 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,627 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,090 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,463 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,598 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,474 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,070 |
