| NATO Countries | 0 | - | 4.98 | 278,768 |
| EU Countries Quiz | 0 | - | 4.99 | 272,354 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,973 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,212 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,449 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,752 |
| Countries with NO Military | 0 | - | 4.97 | 61,809 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,313 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,252,168 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,591 |
| Landlocked Countries | 0 | - | 4.99 | 417,794 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,749,357 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,434 |
| Himalayan Countries | 0 | - | 4.94 | 136,941 |
| Andean Countries | 0 | - | 4.95 | 83,697 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,946 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,290 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,611 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,196 |
| Danube Countries | 0 | - | 4.97 | 71,537 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,378 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,951 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,425 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,490 |
| European Landlocked Countries | 0 | - | 4.99 | 146,429 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,966 |
| Countries with the Most Species | 0 | - | 4.99 | 102,655 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,096 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,380 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,551 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,233 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,895 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,278 |
| Countries in the Alps | 0 | - | 4.86 | 117,511 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,012 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,144 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,343 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,859 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,961 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,369 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,134 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,090 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,891 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,568 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,443 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,424 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,276 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,831 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,104 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,115 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,962 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,981 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,508 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,375 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,733 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,918 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,913 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,977 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,245 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,554 |
| Largest Countries By Category | 0 | - | 4.97 | 157,457 |
| Countries by Countries | 0 | - | 4.96 | 62,730 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,299 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,723 |
| Buddhist Countries | 0 | - | 4.96 | 143,570 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,212 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,329 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,989 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,989 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,289 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,504 |
| Island Countries | 0 | - | 4.99 | 709,296 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,804 |
| Northernmost Countries | 0 | - | 4.99 | 359,965 |
| Countries of South America | 0 | - | 5.00 | 921,426 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,172 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,767 |
| "Land" Countries | 0 | - | 4.98 | 335,481 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,896 |
| Orthodox Countries | 0 | - | 4.92 | 131,133 |
| Richest Island Countries | 0 | - | 4.84 | 100,161 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,190 |
| Monarchies of Europe | 0 | - | 4.90 | 97,833 |
| Monarchies of Asia | 0 | - | 4.97 | 70,908 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,349 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,722 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,984 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,928 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,228 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,904 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,128 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,584 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,871 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,244 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,584 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,653 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,408 |
| Countries that Start with D | 0 | - | 4.96 | 706,404 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,363 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,957 |
| Countries that Start with H | 0 | - | 4.96 | 602,028 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,001 |
| Countries that Start with J | 0 | - | 4.98 | 599,975 |
| Countries that Start with K | 0 | - | 4.97 | 813,095 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,794 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,592 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,183 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,814 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,631 |
| Countries that Start with U | 0 | - | 4.97 | 902,688 |
| Countries that Start with V | 0 | - | 4.98 | 607,797 |
| Countries that Start with F | 0 | - | 4.83 | 615,523 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,352 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,311 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,703 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,058 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,648 |
| Countries with Megacities | 0 | - | 4.99 | 249,703 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,484 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,762 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,822 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,738 |
| Countries by Official Language | 0 | - | 4.95 | 194,426 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,246 |
| Countries in their Native Language | 0 | - | 4.99 | 197,986 |
| Independence from Whom | 0 | - | 4.99 | 211,093 |
| Subdivisions by Country | 0 | - | 4.86 | 50,246 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,536 |
| Megadiverse Countries | 0 | - | 4.96 | 134,685 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,113 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,141 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,693 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,984 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,575 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,302 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,794 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,719 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,441 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,874 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,604 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,652 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,811 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,719 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,985 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,900 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,286 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,805 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,528 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,029 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,408 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,584 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,739 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,206 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,196 |
| Widest Countries East to West | 0 | - | 4.92 | 129,257 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,356 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,807 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,964 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,430 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,100 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,455 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,181 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,705 |
| Countries with Double Letters | 0 | - | 4.97 | 94,822 |
| Countries that End in N | 0 | - | 4.95 | 169,339 |
| Countries with Five Letters | 0 | - | 4.96 | 277,433 |
| Countries with Six Letters | 0 | - | 4.94 | 212,167 |
| Countries with W | 0 | - | 4.97 | 159,320 |
| Countries with Z | 0 | - | 4.98 | 289,516 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,527 |
| Countries That End in U | 0 | - | 4.95 | 120,301 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,540 |
| Countries that End in O | 0 | - | 4.92 | 159,115 |
| Countries that End in R | 0 | - | 4.87 | 118,665 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,445 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,113 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,976 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,983 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,570 |
| Countries That End in Y | 0 | - | 4.90 | 185,582 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,065 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,283 |
| Countries that End in I | 0 | - | 4.94 | 134,793 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,907 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,510 |
| Countries That End in NIA | 0 | - | 4.92 | 109,427 |
| Countries That End in BIA | 0 | - | 4.93 | 148,733 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,591 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,946 |
| Countries That End in RIA | 0 | - | 4.93 | 126,443 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,528 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,409 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,068 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,409 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,992 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,252 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,583 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,121 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,133 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,390 |
