| NATO Countries | 0 | - | 4.98 | 275,300 |
| EU Countries Quiz | 0 | - | 4.99 | 269,587 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,871,442 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,139 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,627 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,858 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,873 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,629 |
| Countries with NO Military | 0 | - | 4.97 | 61,101 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,263 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,863 |
| Landlocked Countries | 0 | - | 4.99 | 413,083 |
| OPEC Countries | 0 | - | 4.74 | 84,792 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,310 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,178 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,667 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,060 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,837 |
| Buddhist Countries | 0 | - | 4.96 | 142,865 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,596 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,925 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,562 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,348 |
| Himalayan Countries | 0 | - | 4.95 | 135,131 |
| Andean Countries | 0 | - | 4.94 | 82,714 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,131 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,049 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,803 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,505 |
| Danube Countries | 0 | - | 4.97 | 71,022 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,683 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,479 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,340 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,260 |
| European Landlocked Countries | 0 | - | 4.99 | 145,691 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,095 |
| Countries with the Most Species | 0 | - | 4.99 | 95,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,246 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,342 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,920 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,536 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,727 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,130 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,963 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,354 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,088 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,948 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,499 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,706 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,742 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,999 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,175 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,392 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,696 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,934 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,214 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,713 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,954 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,445 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,558 |
| Largest Countries By Category | 0 | - | 4.97 | 156,662 |
| Countries by Countries | 0 | - | 4.96 | 62,193 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,691 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,263 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,915 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,166 |
| Island Countries | 0 | - | 4.99 | 707,353 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,680 |
| Northernmost Countries | 0 | - | 4.99 | 357,393 |
| Countries of South America | 0 | - | 5.00 | 913,788 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,144 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,096 |
| "Land" Countries | 0 | - | 4.98 | 333,483 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,298 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,534 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,219 |
| Countries that Start with D | 0 | - | 4.96 | 700,801 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,641 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,853 |
| Countries that Start with H | 0 | - | 4.96 | 597,323 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,528 |
| Countries that Start with J | 0 | - | 4.98 | 595,390 |
| Countries that Start with K | 0 | - | 4.96 | 808,843 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,225 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,083 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,909 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,591 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,667 |
| Countries that Start with U | 0 | - | 4.97 | 899,526 |
| Countries that Start with V | 0 | - | 4.98 | 604,707 |
| Countries that Start with F | 0 | - | 4.83 | 611,678 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,581 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,916 |
| Orthodox Countries | 0 | - | 4.91 | 130,292 |
| Richest Island Countries | 0 | - | 4.84 | 99,427 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,680 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,551 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,311 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,396 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,192 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,059 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,387 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,485 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,571 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,835 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,852 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,641 |
| The Only African Country ... | 0 | - | 4.99 | 128,293 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,748 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,513 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,790 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,367 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,924 |
| Countries with Megacities | 0 | - | 4.99 | 246,345 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,851 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,763 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,303 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,708 |
| Countries by Official Language | 0 | - | 4.95 | 192,636 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,952 |
| Countries in their Native Language | 0 | - | 4.99 | 196,510 |
| Independence from Whom | 0 | - | 4.99 | 209,538 |
| Subdivisions by Country | 0 | - | 4.86 | 50,040 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,623 |
| Megadiverse Countries | 0 | - | 4.97 | 133,844 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,685 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,889 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,383 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,574 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,954 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,630 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,085 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,190 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,726 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,439 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,379 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,452 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,465 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,025 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,712 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,246 |
| Communist Countries in History | 0 | - | 4.63 | 492,195 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,208 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,911 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,876 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,567 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,796 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,994 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,198 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,895 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,281 |
| Widest Countries East to West | 0 | - | 4.92 | 128,545 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,197 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,124 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,534 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,639 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,544 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,970 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,037 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,556 |
| Countries with Double Letters | 0 | - | 4.97 | 93,263 |
| Countries that End in N | 0 | - | 4.94 | 156,331 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,540 |
| Countries with Six Letters | 0 | - | 4.93 | 210,240 |
| Countries with W | 0 | - | 4.97 | 158,145 |
| Countries with Z | 0 | - | 4.98 | 287,709 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,455 |
| Countries That End in U | 0 | - | 4.95 | 119,469 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,415 |
| Countries that End in O | 0 | - | 4.92 | 158,498 |
| Countries that End in R | 0 | - | 4.87 | 118,227 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,821 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,905 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,210 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,412 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,614 |
| Countries That End in Y | 0 | - | 4.90 | 185,169 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,216 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,584 |
| Countries that End in I | 0 | - | 4.94 | 134,341 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,060 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,157 |
| Countries That End in NIA | 0 | - | 4.92 | 108,945 |
| Countries That End in BIA | 0 | - | 4.92 | 147,638 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,003 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,425 |
| Countries That End in RIA | 0 | - | 4.93 | 126,032 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,940 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,041 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,467 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,847 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,283 |
