| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,214 |
| Countries with NO Military | 0 | - | 4.97 | 62,578 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,620 |
| NATO Countries | 0 | - | 4.98 | 281,367 |
| EU Countries Quiz | 0 | - | 4.99 | 275,303 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,118 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,871 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,765 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,562,033 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,342 |
| Landlocked Countries | 0 | - | 4.99 | 421,704 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,897 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,319 |
| Himalayan Countries | 0 | - | 4.95 | 138,605 |
| Andean Countries | 0 | - | 4.93 | 84,536 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,726 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,725 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,364 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,754 |
| Danube Countries | 0 | - | 4.97 | 71,975 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,975 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,391 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,247 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,724 |
| European Landlocked Countries | 0 | - | 4.99 | 147,110 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,582 |
| Countries with the Most Species | 0 | - | 4.99 | 103,210 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,716 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,574 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,708 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,522 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,205 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,630 |
| Countries in the Alps | 0 | - | 4.87 | 118,164 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,931 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,993 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,626 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,570 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,470 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,927 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,643 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,467 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,163 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,536 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,818 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,638 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,501 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,198 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,443 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,494 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,839 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,288 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,366 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,032 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,789 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,024 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,202 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,691 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,888 |
| Largest Countries By Category | 0 | - | 4.97 | 158,172 |
| Countries by Countries | 0 | - | 4.96 | 63,177 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,598 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,464 |
| Buddhist Countries | 0 | - | 4.96 | 144,553 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,652 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,858 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,867 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,357 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,439 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,028 |
| Island Countries | 0 | - | 4.99 | 710,945 |
| Countries in World War I | 0 | - | 4.88 | 228,393 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,295 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,516 |
| Northernmost Countries | 0 | - | 4.99 | 361,828 |
| Countries of South America | 0 | - | 5.00 | 927,031 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,424 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,477 |
| "Land" Countries | 0 | - | 4.98 | 337,262 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,194 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,709 |
| Orthodox Countries | 0 | - | 4.92 | 132,198 |
| Richest Island Countries | 0 | - | 4.85 | 100,738 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,991 |
| Monarchies of Europe | 0 | - | 4.90 | 98,300 |
| Monarchies of Asia | 0 | - | 4.97 | 71,182 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,070 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,982 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,608 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,597 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,929 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,509 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,573 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,366 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,477 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,679 |
| Countries that Start with A | 0 | - | 4.98 | 2,165,767 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,254 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,376 |
| Countries that Start with D | 0 | - | 4.96 | 711,303 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,125 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,373 |
| Countries that Start with H | 0 | - | 4.96 | 605,921 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,832 |
| Countries that Start with J | 0 | - | 4.98 | 603,545 |
| Countries that Start with K | 0 | - | 4.97 | 817,048 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,196 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,205 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,643 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,938 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,984 |
| Countries that Start with U | 0 | - | 4.97 | 905,433 |
| Countries that Start with V | 0 | - | 4.98 | 609,977 |
| Countries that Start with F | 0 | - | 4.83 | 618,511 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,338 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,963 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,438 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,543 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,812 |
| Countries with Megacities | 0 | - | 4.99 | 264,398 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,673 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,436 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,938 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,501 |
| Countries by Official Language | 0 | - | 4.95 | 195,205 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,290 |
| Countries in their Native Language | 0 | - | 4.99 | 198,995 |
| Independence from Whom | 0 | - | 4.99 | 212,033 |
| Subdivisions by Country | 0 | - | 4.86 | 50,421 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,680 |
| Megadiverse Countries | 0 | - | 4.96 | 134,986 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,035 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,333 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,219 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,088 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,578 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,426 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,013 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,633 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,133 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,634 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,860 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,188 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,949 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,337 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,329 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,028 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,247 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,966 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,124 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,861 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,981 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,269 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,425 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,551 |
| Widest Countries East to West | 0 | - | 4.92 | 129,619 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,443 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,347 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,111 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,749 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,564 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,842 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,364 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,795 |
| Countries with Double Letters | 0 | - | 4.96 | 96,169 |
| Countries that End in N | 0 | - | 4.95 | 171,048 |
| Countries with Five Letters | 0 | - | 4.96 | 282,310 |
| Countries with Six Letters | 0 | - | 4.94 | 213,480 |
| Countries with W | 0 | - | 4.97 | 160,279 |
| Countries with Z | 0 | - | 4.98 | 291,370 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,641 |
| Countries That End in U | 0 | - | 4.95 | 120,820 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,404 |
| Countries that End in O | 0 | - | 4.92 | 159,487 |
| Countries that End in R | 0 | - | 4.87 | 118,948 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,705 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,014 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,650 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,445 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,358 |
| Countries That End in Y | 0 | - | 4.91 | 185,855 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,864 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,819 |
| Countries that End in I | 0 | - | 4.94 | 135,067 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,033 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,799 |
| Countries That End in NIA | 0 | - | 4.92 | 109,759 |
| Countries That End in BIA | 0 | - | 4.93 | 149,164 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,072 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,394 |
| Countries That End in RIA | 0 | - | 4.93 | 126,784 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,989 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,518 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,659 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,058 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,617 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,556 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,991 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,433 |
