| NATO Countries | 0 | - | 4.98 | 275,049 |
| EU Countries Quiz | 0 | - | 4.99 | 269,384 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,426 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,612 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,743 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,551 |
| Countries with NO Military | 0 | - | 4.97 | 61,046 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,823 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,846,819 |
| Majority Muslim Countries | 0 | - | 4.98 | 367,961 |
| Landlocked Countries | 0 | - | 4.99 | 412,831 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,256 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,214 |
| Himalayan Countries | 0 | - | 4.95 | 135,033 |
| Andean Countries | 0 | - | 4.94 | 82,652 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,076 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,972 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,747 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,453 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,632 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,273 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,183 |
| European Landlocked Countries | 0 | - | 4.99 | 145,660 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,036 |
| Countries with the Most Species | 0 | - | 4.99 | 95,181 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,179 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,905 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,501 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,861 |
| Countries in the Alps | 0 | - | 4.87 | 116,675 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,460 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,052 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,316 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,932 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,457 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,675 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,131 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,231 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,963 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,994 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,356 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,667 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,849 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,559 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,196 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,658 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,803 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,345 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,529 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,125 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,592 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 73,981 |
| Largest Countries By Category | 0 | - | 4.97 | 156,597 |
| Countries by Countries | 0 | - | 4.96 | 62,157 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,509 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,788 |
| Buddhist Countries | 0 | - | 4.96 | 142,816 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,648 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,390 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,802 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,968 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,807 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,956 |
| Island Countries | 0 | - | 4.99 | 707,206 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,256 |
| Northernmost Countries | 0 | - | 4.99 | 357,205 |
| Countries of South America | 0 | - | 5.00 | 913,278 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,454 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,844,858 |
| "Land" Countries | 0 | - | 4.98 | 333,401 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,864 |
| Orthodox Countries | 0 | - | 4.91 | 130,241 |
| Richest Island Countries | 0 | - | 4.84 | 99,357 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,359,887 |
| Monarchies of Europe | 0 | - | 4.90 | 97,194 |
| Monarchies of Asia | 0 | - | 4.97 | 70,529 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,230 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,245 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,375 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,144 |
| Countries with the Most Exports | 0 | - | 4.96 | 153,987 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,299 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,433 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,519 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,660 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,789 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,577 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,443 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,836 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,624 |
| Countries that Start with D | 0 | - | 4.96 | 700,419 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,175 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,351 |
| Countries that Start with H | 0 | - | 4.96 | 596,983 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,103 |
| Countries that Start with J | 0 | - | 4.98 | 595,053 |
| Countries that Start with K | 0 | - | 4.96 | 808,545 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,844 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,694 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,539 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,083 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,368 |
| Countries that Start with U | 0 | - | 4.97 | 898,979 |
| Countries that Start with V | 0 | - | 4.98 | 604,479 |
| Countries that Start with F | 0 | - | 4.83 | 611,407 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,144 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,456 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,714 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,309 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,850 |
| Countries with Megacities | 0 | - | 4.99 | 246,135 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,763 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,726 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,229 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,661 |
| Countries by Official Language | 0 | - | 4.95 | 192,577 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,846 |
| Countries in their Native Language | 0 | - | 4.99 | 196,454 |
| Independence from Whom | 0 | - | 4.99 | 209,437 |
| Subdivisions by Country | 0 | - | 4.86 | 50,030 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,577 |
| Megadiverse Countries | 0 | - | 4.97 | 133,827 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,638 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,875 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,369 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,830 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,528 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,582 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,058 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,173 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,710 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,363 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,358 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,423 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,439 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,600 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,976 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,207 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,140 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,871 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,843 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,484 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,756 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,956 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,164 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,872 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,248 |
| Widest Countries East to West | 0 | - | 4.92 | 128,513 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,070 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,516 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,617 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,513 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,941 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,029 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,551 |
| Countries with Double Letters | 0 | - | 4.97 | 93,204 |
| Countries that End in N | 0 | - | 4.94 | 156,273 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,461 |
| Countries with Six Letters | 0 | - | 4.93 | 210,164 |
| Countries with W | 0 | - | 4.97 | 158,086 |
| Countries with Z | 0 | - | 4.98 | 287,288 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,422 |
| Countries That End in U | 0 | - | 4.95 | 119,438 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,315 |
| Countries that End in O | 0 | - | 4.92 | 158,469 |
| Countries that End in R | 0 | - | 4.86 | 118,194 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,805 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,848 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,174 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,373 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,561 |
| Countries That End in Y | 0 | - | 4.90 | 185,147 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,164 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,540 |
| Countries that End in I | 0 | - | 4.94 | 134,295 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,001 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,136 |
| Countries That End in NIA | 0 | - | 4.92 | 108,922 |
| Countries That End in BIA | 0 | - | 4.92 | 147,602 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,958 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,391 |
| Countries That End in RIA | 0 | - | 4.93 | 126,002 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,911 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,949 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,419 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,798 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,231 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,866 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,016 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,542 |
