| Countries that Start with A | 0 | - | 4.97 | 2,146,769 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,845 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,286 |
| Countries that Start with D | 0 | - | 4.96 | 701,520 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,487 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,754 |
| Countries that Start with H | 0 | - | 4.96 | 597,948 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,249 |
| Countries that Start with J | 0 | - | 4.98 | 596,013 |
| Countries that Start with K | 0 | - | 4.97 | 809,389 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,863 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,712 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,528 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,494 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,199 |
| Countries that Start with U | 0 | - | 4.97 | 899,912 |
| Countries that Start with V | 0 | - | 4.98 | 605,086 |
| Countries that Start with F | 0 | - | 4.83 | 612,175 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,317 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,688 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,071 |
| Countries that Start with R | 0 | - | 4.43 | 443,614 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,850 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,517 |
| NATO Countries | 0 | - | 4.98 | 275,740 |
| EU Countries Quiz | 0 | - | 4.99 | 269,926 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,927 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,308 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,045 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,755 |
| Countries with NO Military | 0 | - | 4.97 | 61,175 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,904 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,918,455 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,013 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,869 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,455 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,264 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,744 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,138 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,924 |
| Buddhist Countries | 0 | - | 4.96 | 142,952 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,087 |
| Landlocked Countries | 0 | - | 4.99 | 413,595 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,498 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,109 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,045 |
| Orthodox Countries | 0 | - | 4.91 | 130,385 |
| Richest Island Countries | 0 | - | 4.84 | 99,516 |
| Battle to Country | 0 | - | 4.91 | 52,526 |
| Monarchies of Europe | 0 | - | 4.90 | 97,315 |
| Monarchies of Asia | 0 | - | 4.97 | 70,603 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,571 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,828 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,328 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,438 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,276 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,168 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,492 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,552 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,646 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,110 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,941 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,715 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,595 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,908 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,473 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,416 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,000 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,333 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,922 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,111 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,839 |
| Island Countries | 0 | - | 4.99 | 707,617 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,578 |
| Himalayan Countries | 0 | - | 4.95 | 135,345 |
| Andean Countries | 0 | - | 4.94 | 82,822 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,208 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,204 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,896 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,606 |
| Danube Countries | 0 | - | 4.97 | 71,080 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,763 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,538 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,477 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,393 |
| European Landlocked Countries | 0 | - | 4.99 | 145,750 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,210 |
| Countries with the Most Species | 0 | - | 4.99 | 95,241 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,337 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,369 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,951 |
| Countries in the Alps | 0 | - | 4.86 | 116,819 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,561 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,252 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,004 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,418 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,157 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,001 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,573 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,745 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,283 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,047 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,041 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,452 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,746 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,751 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,059 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,639 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,253 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,768 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,278 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,669 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,600 |
| Largest Countries By Category | 0 | - | 4.97 | 156,757 |
| Countries by Countries | 0 | - | 4.96 | 62,255 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,282 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,325 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,383 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,331 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,762 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,424 |
| Northernmost Countries | 0 | - | 4.99 | 357,714 |
| Countries of South America | 0 | - | 5.00 | 914,646 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,389 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,274 |
| "Land" Countries | 0 | - | 4.98 | 333,650 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,247 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,120 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,492 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,254 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,454 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,088 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,976 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| India A-Z | 0 | - | 4.42 | 33,921 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,046 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,629 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,201 |
| Countries with Megacities | 0 | - | 4.99 | 246,886 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,106 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,961 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,519 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,851 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,995 |
| Countries by Official Language | 0 | - | 4.95 | 192,765 |
| OPEC Countries | 0 | - | 4.74 | 84,821 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,127 |
| Countries in their Native Language | 0 | - | 4.99 | 196,634 |
| Independence from Whom | 0 | - | 4.99 | 209,686 |
| Subdivisions by Country | 0 | - | 4.86 | 50,064 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,745 |
| Countries in World War I | 0 | - | 4.88 | 226,616 |
| Megadiverse Countries | 0 | - | 4.97 | 133,900 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,411 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,799 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,427 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,859 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,655 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,998 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,010 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,142 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,212 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,743 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,566 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,414 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,493 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,502 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,188 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,673 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,023 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,581 |
| World Map Quiz | 0 | - | 4.81 | 63,493 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,664 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,329 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,346 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,985 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,950 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,749 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,852 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,058 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,276 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,945 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,334 |
| Widest Countries East to West | 0 | - | 4.92 | 128,603 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,217 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,208 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,563 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,685 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,627 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,038 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,050 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,582 |