| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,940 |
| Countries with NO Military | 0 | - | 4.97 | 61,118 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,193 |
| NATO Countries | 0 | - | 4.98 | 275,396 |
| EU Countries Quiz | 0 | - | 4.99 | 269,660 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,912 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,653 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,867 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,879,159 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,204 |
| Landlocked Countries | 0 | - | 4.99 | 413,156 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,463 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,382 |
| Himalayan Countries | 0 | - | 4.95 | 135,158 |
| Andean Countries | 0 | - | 4.94 | 82,732 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,148 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,082 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,819 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,513 |
| Danube Countries | 0 | - | 4.97 | 71,032 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,694 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,487 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,364 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,281 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,110 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,261 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,189 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,351 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,928 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,541 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,898 |
| Countries in the Alps | 0 | - | 4.87 | 116,744 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,513 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,157 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,972 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,365 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,098 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,958 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,510 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,712 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,884 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,344 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,008 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,013 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,397 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,702 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,709 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,963 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,595 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,220 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,721 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,003 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,475 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,566 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,677 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,072 |
| Largest Countries By Category | 0 | - | 4.97 | 156,676 |
| Countries by Countries | 0 | - | 4.96 | 62,211 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,750 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,853 |
| Buddhist Countries | 0 | - | 4.96 | 142,881 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,707 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,652 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,950 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,346 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,959 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,317 |
| Island Countries | 0 | - | 4.99 | 707,398 |
| Countries in World War I | 0 | - | 4.88 | 226,509 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,310 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,814 |
| Northernmost Countries | 0 | - | 4.99 | 357,446 |
| Countries of South America | 0 | - | 5.00 | 913,935 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,308 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,464 |
| "Land" Countries | 0 | - | 4.98 | 333,509 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,598 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,931 |
| Orthodox Countries | 0 | - | 4.91 | 130,304 |
| Richest Island Countries | 0 | - | 4.84 | 99,444 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,914 |
| Monarchies of Europe | 0 | - | 4.90 | 97,255 |
| Monarchies of Asia | 0 | - | 4.97 | 70,561 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,338 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,408 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,204 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,078 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,404 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,496 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,589 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,887 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,868 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,654 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,563 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,774 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,416 |
| Countries that Start with D | 0 | - | 4.96 | 700,933 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,803 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,023 |
| Countries that Start with H | 0 | - | 4.96 | 597,438 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,673 |
| Countries that Start with J | 0 | - | 4.98 | 595,499 |
| Countries that Start with K | 0 | - | 4.96 | 808,931 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,331 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,188 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,019 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,742 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,755 |
| Countries that Start with U | 0 | - | 4.97 | 899,591 |
| Countries that Start with V | 0 | - | 4.98 | 604,776 |
| Countries that Start with F | 0 | - | 4.83 | 611,778 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,723 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,529 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,813 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,388 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,960 |
| Countries with Megacities | 0 | - | 4.99 | 246,413 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,874 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,776 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,329 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,731 |
| Countries by Official Language | 0 | - | 4.95 | 192,664 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,984 |
| Countries in their Native Language | 0 | - | 4.99 | 196,529 |
| Independence from Whom | 0 | - | 4.99 | 209,559 |
| Subdivisions by Country | 0 | - | 4.86 | 50,043 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,645 |
| Megadiverse Countries | 0 | - | 4.97 | 133,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,708 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,899 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,396 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,847 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,583 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,647 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,097 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,197 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,728 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,459 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,385 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,458 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,475 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,638 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,268 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,228 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,922 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,885 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,592 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,808 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,007 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,213 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,906 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,288 |
| Widest Countries East to West | 0 | - | 4.92 | 128,556 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,201 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,145 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,538 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,651 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,561 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,980 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,042 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Countries with Double Letters | 0 | - | 4.97 | 93,286 |
| Countries that End in N | 0 | - | 4.94 | 156,342 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,563 |
| Countries with Six Letters | 0 | - | 4.93 | 210,254 |
| Countries with W | 0 | - | 4.97 | 158,156 |
| Countries with Z | 0 | - | 4.98 | 287,734 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,469 |
| Countries That End in U | 0 | - | 4.95 | 119,477 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,439 |
| Countries that End in O | 0 | - | 4.92 | 158,506 |
| Countries that End in R | 0 | - | 4.87 | 118,238 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,833 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,920 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,236 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,425 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,732 |
| Countries That End in Y | 0 | - | 4.90 | 185,174 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,255 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,595 |
| Countries that End in I | 0 | - | 4.94 | 134,358 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,094 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,163 |
| Countries That End in NIA | 0 | - | 4.92 | 108,955 |
| Countries That End in BIA | 0 | - | 4.92 | 147,646 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,007 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,436 |
| Countries That End in RIA | 0 | - | 4.93 | 126,040 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,958 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,071 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,474 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,852 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,297 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,900 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,065 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,591 |
