| Independence from Whom | 0 | - | 4.99 | 212,170 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,786 |
| Countries in World War I | 0 | - | 4.88 | 228,502 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,421 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,613 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,516 |
| Battle to Country | 0 | - | 4.91 | 53,548 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,680 |
| NATO Countries | 0 | - | 4.98 | 281,653 |
| EU Countries Quiz | 0 | - | 4.99 | 275,678 |
| Recently Independent Countries | 0 | - | 4.98 | 159,503 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,435 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,598 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,292 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,998 |
| Countries with NO Military | 0 | - | 4.97 | 62,666 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,292 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,814 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,368 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,809 |
| Countries by Former Name | 0 | - | 4.99 | 125,377 |
| Historical City to Country | 0 | - | 4.84 | 78,650 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,606,385 |
| Communist Countries in History | 0 | - | 4.63 | 496,606 |
| Landlocked Countries | 0 | - | 4.99 | 422,275 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,822 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,989 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,898 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,528 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,314 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,937 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,352 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,651 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,425 |
| Former Capitals | 0 | - | 4.88 | 71,529 |
| Countries in World War II | 0 | - | 4.55 | 914,944 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,780 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,628 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,717 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,752 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,922 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,572 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,546 |
| Buddhist Countries | 0 | - | 4.96 | 144,637 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,675 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,072 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,017 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,815 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,931 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,669 |
| Himalayan Countries | 0 | - | 4.95 | 138,880 |
| Andean Countries | 0 | - | 4.93 | 84,699 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,898 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,949 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,526 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,867 |
| Danube Countries | 0 | - | 4.97 | 72,050 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,066 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,462 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,368 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,856 |
| European Landlocked Countries | 0 | - | 4.99 | 147,181 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,702 |
| Countries with the Most Species | 0 | - | 4.99 | 103,268 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,824 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,608 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,734 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,566 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,257 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,703 |
| Countries in the Alps | 0 | - | 4.87 | 118,260 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,299 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,085 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,686 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,628 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,551 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,972 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,710 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,528 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,885 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,671 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,546 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,251 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,505 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,559 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,973 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,339 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,161 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,817 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,133 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,096 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,209 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,258 |
| Largest Countries By Category | 0 | - | 4.97 | 158,268 |
| Orthodox Countries | 0 | - | 4.92 | 132,269 |
| Countries by Countries | 0 | - | 4.96 | 63,265 |
| Richest Island Countries | 0 | - | 4.85 | 100,810 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,074 |
| Monarchies of Europe | 0 | - | 4.90 | 98,366 |
| Monarchies of Asia | 0 | - | 4.97 | 71,233 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,746 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,662 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,671 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,732 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,156 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,302 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,225 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,575 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,700 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,035 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,687 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,672 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,004 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,537 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,612 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,704 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,544 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,732 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,067 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,432 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,287 |
| Countries that Start with D | 0 | - | 4.96 | 711,955 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,895 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,151 |
| Countries that Start with H | 0 | - | 4.96 | 606,383 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,426 |
| Countries that Start with J | 0 | - | 4.98 | 603,979 |
| Countries that Start with K | 0 | - | 4.97 | 817,523 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,768 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,850 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,211 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,786 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,418 |
| Countries that Start with U | 0 | - | 4.97 | 905,756 |
| Countries that Start with V | 0 | - | 4.98 | 610,216 |
| Countries that Start with F | 0 | - | 4.83 | 618,854 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,984 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,034 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,516 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,616 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,803 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,596 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,530 |
| Island Countries | 0 | - | 4.99 | 711,153 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,418 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,233 |
| Northernmost Countries | 0 | - | 4.99 | 362,082 |
| Countries of South America | 0 | - | 5.00 | 927,767 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,523 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,274 |
| "Land" Countries | 0 | - | 4.98 | 337,424 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,142 |
| Countries by Independence Day | 0 | - | 4.61 | 52,783 |
| Former Countries by Capital | 0 | - | 4.45 | 127,609 |
| Former Countries | 0 | - | 4.75 | 133,944 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,285 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,394 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,486 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,077 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,370 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,276 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,520 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,452 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,280 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,520 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,664 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,077 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,973 |
| Countries with Megacities | 0 | - | 4.99 | 264,732 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,810 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,511 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,067 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,587 |
| Countries by Official Language | 0 | - | 4.95 | 195,312 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,463 |
| Countries in their Native Language | 0 | - | 4.99 | 199,100 |
| Subdivisions by Country | 0 | - | 4.86 | 50,440 |
| Megadiverse Countries | 0 | - | 4.96 | 135,041 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,149 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,377 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,252 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,119 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,172 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,051 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,675 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,159 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,727 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,906 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,224 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,985 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,370 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,510 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,273 |
| World Map Quiz | 0 | - | 4.81 | 65,140 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,441 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,379 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,145 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,312 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,023 |
