| One Country By Letter By Continent | 0 | - | 5.00 | 74,029 |
| Countries that Start with A | 0 | - | 4.98 | 1,963,777 |
| Countries that Start with B | 0 | - | 4.95 | 2,102,716 |
| Countries that Start with C | 0 | - | 4.96 | 1,663,771 |
| Countries that Start with D | 0 | - | 4.96 | 604,132 |
| Countries that Start with E | 0 | - | 4.95 | 1,245,607 |
| Countries that Start with G | 0 | - | 4.97 | 1,365,579 |
| Countries that Start with H | 0 | - | 4.96 | 515,341 |
| Countries that Start with I | 0 | - | 4.92 | 1,174,392 |
| Countries that Start with J | 0 | - | 4.98 | 517,979 |
| Countries that Start with K | 0 | - | 4.96 | 723,343 |
| Countries that Start with L | 0 | - | 4.98 | 982,849 |
| Countries that Start with N | 0 | - | 4.93 | 1,009,264 |
| Countries that Start with P | 0 | - | 4.95 | 1,111,630 |
| Countries that Start with S | 0 | - | 4.98 | 1,618,919 |
| Countries that Start with T | 0 | - | 4.89 | 920,398 |
| Countries that Start with U | 0 | - | 4.96 | 829,721 |
| Countries that Start with V | 0 | - | 4.98 | 555,729 |
| Countries that Start with F | 0 | - | 4.84 | 545,091 |
| Countries that Start with M | 0 | - | 4.97 | 1,265,843 |
| Countries that Start with R | 0 | - | 4.43 | 393,071 |
| Countries Bordering "U" Countries | 0 | - | 4.76 | 20,221 |
| Richest Countries A-Z | 0 | - | 4.92 | 89,454 |
| NATO Countries Quiz | 0 | - | 4.98 | 228,058 |
| EU Countries Quiz | 0 | - | 4.99 | 230,182 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 228,282 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 232,931 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,612 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 126,955 |
| Countries with NO Military | 0 | - | 4.97 | 50,466 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,369 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,465,077 |
| Majority Muslim Countries | 0 | - | 4.97 | 316,029 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,271 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,340 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,244 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,087 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,016 |
| Buddhist Countries | 0 | - | 4.96 | 131,739 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,331 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,883 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,135,691 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,201,814 |
| Capitals A-Z | 0 | - | 4.85 | 42,104 |
| Catholic Countries Quiz | 0 | - | 4.82 | 198,116 |
| Countries with the Most Catholics | 0 | - | 4.91 | 94,843 |
| Orthodox Countries | 0 | - | 4.91 | 118,853 |
| Richest Island Countries | 0 | - | 4.87 | 88,778 |
| Battle to Country | 0 | - | 4.92 | 36,348 |
| Monarchies of Europe | 0 | - | 4.88 | 87,746 |
| Monarchies of Asia | 0 | - | 4.95 | 54,519 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,729 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,598 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,470 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,756 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,345 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 283,787 |
| Countries with the Most Muslims | 0 | - | 4.93 | 132,980 |
| Countries with the Most Exports | 0 | - | 4.96 | 139,238 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 164,044 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,205 |
| Largest Economies in 2050 | 0 | - | 4.89 | 100,904 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 241,169 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,581 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 67,443 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,648 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 178,521 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,375 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,186 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,134 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,438 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,978 |
| Members of the Arab League | 0 | - | 4.85 | 64,960 |
| Island Countries Quiz | 0 | - | 4.99 | 665,740 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,200 |
| Himalayan Countries | 0 | - | 4.94 | 107,168 |
| Andean Countries | 0 | - | 4.91 | 59,618 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,691 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,402 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,785 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,616 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,928 |
| Danube Countries | 0 | - | 4.96 | 57,044 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,057 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,145 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,200 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,055 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,344 |
| European Landlocked Countries | 0 | - | 4.99 | 136,695 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,461 |
| Countries with the Most Species | 0 | - | 4.99 | 89,747 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,957 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,907 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,208 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,782 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,716 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,979 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,632 |
| Countries in the Alps | 0 | - | 4.84 | 103,438 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,055 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,620 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,036 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,102 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,593 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,074 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,226 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,556 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,569 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,156 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,915 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,866 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,904 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,277 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,423 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,007 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,672 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,737 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,818 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,101 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,423 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,647 |
| Largest Countries By Category | 0 | - | 4.97 | 145,922 |
| Countries by Countries | 0 | - | 4.96 | 55,260 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,408 |
| Large Countries with Small Economies | 0 | - | 4.94 | 73,467 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,039 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,099 |
| Biggest Countries by Area | 0 | - | 5.00 | 942,033 |
| Northernmost Countries | 0 | - | 4.99 | 329,778 |
| Countries of South America | 0 | - | 5.00 | 804,020 |
| Countries of Oceania | 0 | - | 5.00 | 906,240 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,597,205 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,234 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,508 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,015 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 129,897 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.90 | 88,501 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 63,442 |
| One Border Countries - Shape Quiz | 0 | - | 4.86 | 46,567 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.92 | 54,432 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.93 | 55,330 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,140 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,322,386 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,096 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,959 |
| Countries with Megacities | 0 | - | 4.99 | 200,285 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,815 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,197 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,320 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,183 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,168 |
| Countries by Official Language | 0 | - | 4.96 | 174,433 |
| OPEC Countries Quiz | 0 | - | 4.72 | 81,122 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,683 |
| Countries in their Native Language | 0 | - | 4.98 | 179,584 |
| Independence from Whom | 0 | - | 4.99 | 187,916 |
| Subdivisions by Country | 0 | - | 4.82 | 46,742 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,833 |
| Countries in World War I | 0 | - | 4.87 | 211,320 |
| Megadiverse Countries | 0 | - | 4.96 | 126,257 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 210,223 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,734 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,246 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,676 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,513 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,601 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,007 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,768 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,461 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,713 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 44,615 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,021 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,668 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,199 |
| Countries with the Most Forest A-Z | 0 | - | 4.57 | 51,577 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,105 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,738 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,098,268 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 84,831 |
| World Map Quiz | 0 | - | 4.91 | 50,688 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,286 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,841 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,089 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,320 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,177 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,278 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,587 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,673 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,708 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,177 |
| Widest Countries East to West | 0 | - | 4.93 | 120,145 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,028 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,980 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,486 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,066 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,260 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,181 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,857 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,678 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,287 |
