| Independence from Whom | 0 | - | 4.99 | 209,566 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,649 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,681 |
| Battle to Country | 0 | - | 4.91 | 52,475 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,880,751 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,223 |
| NATO Countries | 0 | - | 4.98 | 275,410 |
| EU Countries Quiz | 0 | - | 4.99 | 269,667 |
| Recently Independent Countries | 0 | - | 4.98 | 157,919 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,701 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,956 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,915 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,658 |
| Countries with NO Military | 0 | - | 4.97 | 61,120 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,395 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,017 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,696 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,872 |
| Countries by Former Name | 0 | - | 4.99 | 124,212 |
| Historical City to Country | 0 | - | 4.84 | 78,106 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,199 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,068 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,471 |
| Landlocked Countries | 0 | - | 4.99 | 413,175 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,119 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,219 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,203 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,555 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,519 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,753 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,149 |
| Coldest World Capitals | 0 | - | 4.95 | 133,013 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,798 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,349 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,196 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,677 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,072 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,771 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,251 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,857 |
| Buddhist Countries | 0 | - | 4.96 | 142,881 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,650 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,663 |
| Coldest Countries | 0 | - | 4.97 | 137,174 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,954 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,324 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,622 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,389 |
| Himalayan Countries | 0 | - | 4.95 | 135,163 |
| Andean Countries | 0 | - | 4.94 | 82,735 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,150 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,082 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,821 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,515 |
| Countries in World War I | 0 | - | 4.88 | 226,513 |
| Danube Countries | 0 | - | 4.97 | 71,033 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,697 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,488 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,367 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,285 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,115 |
| Countries with the Most Species | 0 | - | 4.99 | 95,216 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,316 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,264 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,351 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,928 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,542 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,903 |
| Countries in the Alps | 0 | - | 4.87 | 116,748 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,515 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,162 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,975 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,370 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,100 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,959 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,513 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,716 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,909 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,008 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,014 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,399 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,704 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,712 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,964 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,595 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,223 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,722 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,017 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,477 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,568 |
| Largest Countries By Category | 0 | - | 4.97 | 156,680 |
| Countries by Countries | 0 | - | 4.96 | 62,214 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,948 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,709 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,361 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,968 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,372 |
| Island Countries | 0 | - | 4.99 | 707,402 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,838 |
| Northernmost Countries | 0 | - | 4.99 | 357,457 |
| Countries of South America | 0 | - | 5.00 | 913,959 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,330 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,528 |
| "Land" Countries | 0 | - | 4.98 | 333,512 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,622 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,822 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,462 |
| Countries that Start with D | 0 | - | 4.96 | 700,960 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,829 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,051 |
| Countries that Start with H | 0 | - | 4.96 | 597,464 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,708 |
| Countries that Start with J | 0 | - | 4.98 | 595,525 |
| Countries that Start with K | 0 | - | 4.96 | 808,956 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,360 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,217 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,046 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,790 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,784 |
| Countries that Start with U | 0 | - | 4.97 | 899,611 |
| Countries that Start with V | 0 | - | 4.98 | 604,796 |
| Countries that Start with F | 0 | - | 4.83 | 611,795 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,746 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,534 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,019 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,935 |
| Orthodox Countries | 0 | - | 4.91 | 130,308 |
| Richest Island Countries | 0 | - | 4.84 | 99,447 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,985 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,974 |
| Monarchies of Europe | 0 | - | 4.90 | 97,255 |
| Monarchies of Asia | 0 | - | 4.97 | 70,563 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,388 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,663 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,189 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,342 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,409 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,212 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,083 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,408 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,498 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,592 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,895 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,873 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,656 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,533 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,820 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,392 |
| Countries by Independence Day | 0 | - | 4.56 | 52,591 |
| Former Countries by Capital | 0 | - | 4.45 | 127,003 |
| Former Countries | 0 | - | 4.75 | 132,635 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,962 |
| Countries with Megacities | 0 | - | 4.99 | 246,429 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,877 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,777 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,342 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,734 |
| Countries by Official Language | 0 | - | 4.95 | 192,668 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,990 |
| Countries in their Native Language | 0 | - | 4.99 | 196,534 |
| Subdivisions by Country | 0 | - | 4.86 | 50,043 |
| Megadiverse Countries | 0 | - | 4.97 | 133,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,710 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,899 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,398 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,847 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,585 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,707 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,101 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,197 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,729 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,462 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,386 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,460 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,477 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,639 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,997 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,035 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,751 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,425 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,279 |
| World Map Quiz | 0 | - | 4.81 | 63,424 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,269 |
| Communist Countries in History | 0 | - | 4.63 | 492,273 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,232 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,924 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,889 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,593 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,010 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,215 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,906 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,292 |
| Widest Countries East to West | 0 | - | 4.92 | 128,558 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,204 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,148 |
