| Countries that Start with A | 0 | - | 4.97 | 2,145,962 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,130 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,723 |
| Countries that Start with D | 0 | - | 4.96 | 701,140 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,030 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,263 |
| Countries that Start with H | 0 | - | 4.96 | 597,602 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,889 |
| Countries that Start with J | 0 | - | 4.98 | 595,669 |
| Countries that Start with K | 0 | - | 4.96 | 809,098 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,509 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,378 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,211 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,036 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,943 |
| Countries that Start with U | 0 | - | 4.97 | 899,716 |
| Countries that Start with V | 0 | - | 4.98 | 604,888 |
| Countries that Start with F | 0 | - | 4.83 | 611,911 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,912 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,569 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,052 |
| Countries that Start with R | 0 | - | 4.43 | 443,426 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,787 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,325 |
| NATO Countries | 0 | - | 4.98 | 275,518 |
| EU Countries Quiz | 0 | - | 4.99 | 269,736 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,778 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,069 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,965 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,690 |
| Countries with NO Military | 0 | - | 4.97 | 61,136 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,885 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,892,406 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,857 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,730 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,388 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,221 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,698 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,085 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,877 |
| Buddhist Countries | 0 | - | 4.96 | 142,904 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,009 |
| Landlocked Countries | 0 | - | 4.99 | 413,294 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,786 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,082 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,971 |
| Orthodox Countries | 0 | - | 4.91 | 130,334 |
| Richest Island Countries | 0 | - | 4.84 | 99,470 |
| Battle to Country | 0 | - | 4.91 | 52,484 |
| Monarchies of Europe | 0 | - | 4.90 | 97,277 |
| Monarchies of Asia | 0 | - | 4.97 | 70,578 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,456 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,709 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,228 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,375 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,419 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,235 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,108 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,441 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,520 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,613 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,968 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,898 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,677 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,548 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,852 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,417 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,376 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,976 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,300 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,183 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,473 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,009 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,592 |
| Island Countries | 0 | - | 4.99 | 707,481 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,443 |
| Himalayan Countries | 0 | - | 4.95 | 135,226 |
| Andean Countries | 0 | - | 4.94 | 82,765 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,172 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,112 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,841 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,549 |
| Danube Countries | 0 | - | 4.97 | 71,047 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,714 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,503 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,397 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,326 |
| European Landlocked Countries | 0 | - | 4.99 | 145,718 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,144 |
| Countries with the Most Species | 0 | - | 4.99 | 95,226 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,287 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,939 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,549 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,921 |
| Countries in the Alps | 0 | - | 4.87 | 116,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,526 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,188 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,389 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,115 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,971 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,531 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,094 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,021 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,182 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,022 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,418 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,723 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,997 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,610 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,238 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,734 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,087 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,538 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,574 |
| Largest Countries By Category | 0 | - | 4.97 | 156,702 |
| Countries by Countries | 0 | - | 4.96 | 62,226 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,050 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,430 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,294 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,324 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,952 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,316 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,721 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,039 |
| Northernmost Countries | 0 | - | 4.99 | 357,540 |
| Countries of South America | 0 | - | 5.00 | 914,149 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,710 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,091 |
| "Land" Countries | 0 | - | 4.98 | 333,556 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,208 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,086 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,480 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,214 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,410 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,077 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,911 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,072 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,460 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,467 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,995 |
| Countries with Megacities | 0 | - | 4.99 | 246,518 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,913 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,797 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,980 |
| Countries by Official Language | 0 | - | 4.95 | 192,703 |
| OPEC Countries | 0 | - | 4.74 | 84,805 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,032 |
| Countries in their Native Language | 0 | - | 4.99 | 196,558 |
| Independence from Whom | 0 | - | 4.99 | 209,600 |
| Subdivisions by Country | 0 | - | 4.86 | 50,050 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,681 |
| Countries in World War I | 0 | - | 4.88 | 226,551 |
| Megadiverse Countries | 0 | - | 4.97 | 133,866 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,352 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,737 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,407 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,606 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,973 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,834 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,118 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,202 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,732 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,499 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,398 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,474 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,170 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,645 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,004 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,486 |
| World Map Quiz | 0 | - | 4.81 | 63,449 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,480 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,285 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,271 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,946 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,907 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,640 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,823 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,028 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,238 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,923 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,310 |
| Widest Countries East to West | 0 | - | 4.92 | 128,578 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,164 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,549 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,667 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,595 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,012 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,045 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,566 |