| Countries that Start with A | 0 | - | 4.98 | 2,144,587 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,965 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,719 |
| Countries that Start with D | 0 | - | 4.96 | 700,477 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,252 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,417 |
| Countries that Start with H | 0 | - | 4.96 | 597,038 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,167 |
| Countries that Start with J | 0 | - | 4.98 | 595,107 |
| Countries that Start with K | 0 | - | 4.96 | 808,593 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,902 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,757 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,597 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,164 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,412 |
| Countries that Start with U | 0 | - | 4.97 | 899,058 |
| Countries that Start with V | 0 | - | 4.98 | 604,504 |
| Countries that Start with F | 0 | - | 4.83 | 611,451 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,217 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,353 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,015 |
| Countries that Start with R | 0 | - | 4.43 | 443,056 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,656 |
| Majority Muslim Countries | 0 | - | 4.98 | 367,986 |
| NATO Countries | 0 | - | 4.98 | 275,097 |
| EU Countries Quiz | 0 | - | 4.99 | 269,415 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,476 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,653 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,763 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,568 |
| Countries with NO Military | 0 | - | 4.97 | 61,060 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,830 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,850,773 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,530 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,430 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,243 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,140 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,606 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 73,992 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,795 |
| Buddhist Countries | 0 | - | 4.96 | 142,821 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,831 |
| Landlocked Countries | 0 | - | 4.99 | 412,869 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,719 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,033 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,874 |
| Orthodox Countries | 0 | - | 4.91 | 130,247 |
| Richest Island Countries | 0 | - | 4.84 | 99,365 |
| Battle to Country | 0 | - | 4.91 | 52,436 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| Monarchies of Asia | 0 | - | 4.97 | 70,537 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,242 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,525 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,068 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,254 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,151 |
| Countries with the Most Exports | 0 | - | 4.96 | 153,998 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,318 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,442 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,530 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,692 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,802 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,587 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,465 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,726 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,319 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,305 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,926 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,263 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,113 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,008 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,826 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,996 |
| Island Countries | 0 | - | 4.99 | 707,231 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,226 |
| Himalayan Countries | 0 | - | 4.95 | 135,047 |
| Andean Countries | 0 | - | 4.94 | 82,660 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,080 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,983 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,753 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,462 |
| Danube Countries | 0 | - | 4.97 | 70,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,635 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,453 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,288 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,193 |
| European Landlocked Countries | 0 | - | 4.99 | 145,666 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,052 |
| Countries with the Most Species | 0 | - | 4.99 | 95,187 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,190 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,333 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,908 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,510 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,865 |
| Countries in the Alps | 0 | - | 4.87 | 116,681 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,468 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,079 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,941 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,322 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,067 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,935 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,472 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,683 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,476 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,966 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,165 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,995 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,362 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,670 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,672 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,858 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,568 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,199 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,664 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,827 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,362 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,538 |
| Largest Countries By Category | 0 | - | 4.97 | 156,609 |
| Countries by Countries | 0 | - | 4.96 | 62,165 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,007 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,225 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,210 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,932 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,651 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,327 |
| Northernmost Countries | 0 | - | 4.99 | 357,241 |
| Countries of South America | 0 | - | 5.00 | 913,362 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,588 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,137 |
| "Land" Countries | 0 | - | 4.98 | 333,410 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,161 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,021 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,446 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,132 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,333 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,046 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,797 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,040 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,458 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,038 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,173 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,776 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,732 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,242 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,665 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,947 |
| Countries by Official Language | 0 | - | 4.95 | 192,582 |
| OPEC Countries | 0 | - | 4.74 | 84,777 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,861 |
| Countries in their Native Language | 0 | - | 4.99 | 196,466 |
| Independence from Whom | 0 | - | 4.99 | 209,455 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,581 |
| Countries in World War I | 0 | - | 4.88 | 226,095 |
| Megadiverse Countries | 0 | - | 4.97 | 133,829 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,225 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,646 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,372 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,541 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,588 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,059 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,176 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,713 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,371 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,361 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,426 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,442 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,142 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,603 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,978 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,337 |
| World Map Quiz | 0 | - | 4.81 | 63,353 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,200 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,219 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,150 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,875 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,851 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,503 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,765 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,959 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,169 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,876 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,252 |
| Widest Countries East to West | 0 | - | 4.92 | 128,520 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,073 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,621 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,516 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,945 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,031 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
