| Countries with the Most Military Troops | 0 | - | 4.95 | 284,534 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,721 |
| Countries with NO Military | 0 | - | 4.97 | 61,071 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,158 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,211 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,045 |
| NATO Countries | 0 | - | 4.98 | 275,171 |
| EU Countries Quiz | 0 | - | 4.99 | 269,477 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,793 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,595 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,841 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,858,158 |
| Landlocked Countries | 0 | - | 4.99 | 412,938 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,606 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,496 |
| Countries in World War I | 0 | - | 4.88 | 226,256 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,248 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,273 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,632 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,020 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,815 |
| Buddhist Countries | 0 | - | 4.96 | 142,832 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,872 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,467 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,274 |
| Himalayan Countries | 0 | - | 4.95 | 135,079 |
| Andean Countries | 0 | - | 4.94 | 82,680 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,094 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,012 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,777 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,486 |
| Danube Countries | 0 | - | 4.97 | 71,009 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,650 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,466 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,306 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,225 |
| European Landlocked Countries | 0 | - | 4.99 | 145,677 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,068 |
| Countries with the Most Species | 0 | - | 4.99 | 95,195 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,215 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,521 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,877 |
| Countries in the Alps | 0 | - | 4.87 | 116,699 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,486 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,099 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,072 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,479 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,692 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,113 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,976 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,167 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,001 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,371 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,683 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,681 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,895 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,575 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,207 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,887 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,686 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,878 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,401 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,547 |
| Largest Countries By Category | 0 | - | 4.97 | 156,635 |
| Orthodox Countries | 0 | - | 4.91 | 130,261 |
| Countries by Countries | 0 | - | 4.96 | 62,177 |
| Richest Island Countries | 0 | - | 4.84 | 99,400 |
| Monarchies of Europe | 0 | - | 4.90 | 97,218 |
| Monarchies of Asia | 0 | - | 4.97 | 70,542 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,276 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,274 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,665 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,381 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,164 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,024 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,353 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,461 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,543 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,755 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,826 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,603 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,838 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,169 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,915 |
| Countries that Start with D | 0 | - | 4.96 | 700,597 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,400 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,579 |
| Countries that Start with H | 0 | - | 4.96 | 597,143 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,300 |
| Countries that Start with J | 0 | - | 4.98 | 595,216 |
| Countries that Start with K | 0 | - | 4.96 | 808,684 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,020 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,883 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,732 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,321 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,512 |
| Countries that Start with U | 0 | - | 4.97 | 899,264 |
| Countries that Start with V | 0 | - | 4.98 | 604,582 |
| Countries that Start with F | 0 | - | 4.83 | 611,532 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,369 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,486 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,750 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,330 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,118 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,857 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,030 |
| Island Countries | 0 | - | 4.99 | 707,272 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,577 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,268 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,463 |
| Northernmost Countries | 0 | - | 4.99 | 357,295 |
| Countries of South America | 0 | - | 5.00 | 913,536 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,785 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,457 |
| "Land" Countries | 0 | - | 4.98 | 333,442 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,008 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,676 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,236 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,175 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,037 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,452 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,147 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,055 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,642 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,156 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,886 |
| Countries with Megacities | 0 | - | 4.99 | 246,244 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,806 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,746 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,681 |
| Countries by Official Language | 0 | - | 4.95 | 192,602 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,900 |
| Countries in their Native Language | 0 | - | 4.99 | 196,488 |
| Independence from Whom | 0 | - | 4.99 | 209,494 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,595 |
| Megadiverse Countries | 0 | - | 4.97 | 133,837 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,660 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,879 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,377 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,838 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,555 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,942 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,602 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,068 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,184 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,718 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,403 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,368 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,439 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,453 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,611 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,984 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,372 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,229 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,174 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,886 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,862 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,526 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,781 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,976 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,179 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,884 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,265 |
| Widest Countries East to West | 0 | - | 4.92 | 128,533 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,192 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,092 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,524 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,629 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,527 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,951 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,032 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
| Countries with Double Letters | 0 | - | 4.97 | 93,234 |
| Countries that End in N | 0 | - | 4.94 | 156,300 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,505 |
| Countries with Six Letters | 0 | - | 4.93 | 210,208 |
| Countries with W | 0 | - | 4.97 | 158,111 |
| Countries with Z | 0 | - | 4.98 | 287,510 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,436 |
| Countries That End in U | 0 | - | 4.95 | 119,453 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,362 |
| Countries that End in O | 0 | - | 4.92 | 158,482 |
| Countries that End in R | 0 | - | 4.86 | 118,212 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,813 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,877 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,195 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,392 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,575 |
| Countries That End in Y | 0 | - | 4.90 | 185,156 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,193 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,562 |
| Countries that End in I | 0 | - | 4.94 | 134,322 |