| One Country By Letter By Continent | 0 | - | 5.00 | 123,532 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,815 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,701 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,865 |
| Countries that Start with D | 0 | - | 4.96 | 708,077 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,400 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,092 |
| Countries that Start with H | 0 | - | 4.96 | 603,489 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,588 |
| Countries that Start with J | 0 | - | 4.98 | 601,295 |
| Countries that Start with K | 0 | - | 4.97 | 814,634 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,325 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,319 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,780 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,930 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,792 |
| Countries that Start with U | 0 | - | 4.97 | 903,626 |
| Countries that Start with V | 0 | - | 4.98 | 608,659 |
| Countries that Start with F | 0 | - | 4.83 | 616,604 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,098 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,441 |
| Countries that Start with R | 0 | - | 4.43 | 446,889 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,832 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,500 |
| NATO Countries | 0 | - | 4.98 | 279,519 |
| EU Countries Quiz | 0 | - | 4.99 | 273,176 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,651 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,191 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,892 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,091 |
| Countries with NO Military | 0 | - | 4.97 | 62,030 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,440 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,359,937 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,055 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,075 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,903 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,210 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,409 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,687 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,969 |
| Buddhist Countries | 0 | - | 4.96 | 144,155 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,281 |
| Landlocked Countries | 0 | - | 4.99 | 419,303 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,069 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,475 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,184 |
| Orthodox Countries | 0 | - | 4.92 | 131,391 |
| Richest Island Countries | 0 | - | 4.84 | 100,352 |
| Battle to Country | 0 | - | 4.91 | 53,202 |
| Monarchies of Europe | 0 | - | 4.90 | 98,004 |
| Monarchies of Asia | 0 | - | 4.97 | 71,010 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,695 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,671 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,884 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,610 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,795 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,214 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,197 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,496 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,318 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,321 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,694 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,122 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,415 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,552 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,003 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,217 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,035 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,429 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,077 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,312 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,695 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,305 |
| Island Countries | 0 | - | 4.99 | 709,912 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,148 |
| Himalayan Countries | 0 | - | 4.95 | 137,566 |
| Andean Countries | 0 | - | 4.95 | 84,015 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,279 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,756 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,896 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,397 |
| Danube Countries | 0 | - | 4.97 | 71,702 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,612 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,098 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,713 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,790 |
| European Landlocked Countries | 0 | - | 4.99 | 146,812 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,181 |
| Countries with the Most Species | 0 | - | 4.99 | 102,953 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,329 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,439 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,598 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,334 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,008 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,399 |
| Countries in the Alps | 0 | - | 4.87 | 117,748 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,178 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,439 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,444 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,039 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,145 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,744 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,324 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,220 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,987 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,585 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,506 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,355 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,961 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,218 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,242 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,258 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,089 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,590 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,593 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,542 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,319 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,016 |
| Largest Countries By Category | 0 | - | 4.97 | 157,700 |
| Countries by Countries | 0 | - | 4.96 | 62,875 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,017 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,515 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,798 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,260 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,172 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,366 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,457 |
| Northernmost Countries | 0 | - | 4.99 | 360,640 |
| Countries of South America | 0 | - | 5.00 | 923,400 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,763 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,532 |
| "Land" Countries | 0 | - | 4.98 | 335,887 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,994 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,854 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,894 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,024 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,969 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,359 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,927 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,644 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,833 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,860 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,132 |
| Countries with Megacities | 0 | - | 4.99 | 261,430 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,991 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,054 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,268 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,081 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,244 |
| Countries by Official Language | 0 | - | 4.95 | 194,701 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,967 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,630 |
| Countries in their Native Language | 0 | - | 4.99 | 198,249 |
| Independence from Whom | 0 | - | 4.99 | 211,407 |
| Subdivisions by Country | 0 | - | 4.86 | 50,299 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,779 |
| Countries in World War I | 0 | - | 4.88 | 227,908 |
| Megadiverse Countries | 0 | - | 4.96 | 134,791 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,787 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,590 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,204 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,768 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,028 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,746 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,402 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,032 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,863 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,507 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,000 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,070 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,737 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,011 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,801 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,437 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,173 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,343 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,295 |
| World Map Quiz | 0 | - | 4.81 | 64,644 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,762 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,068 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,587 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,972 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,686 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,429 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,561 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,716 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,862 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,295 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,322 |
| Widest Countries East to West | 0 | - | 4.92 | 129,411 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,389 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,994 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,010 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,547 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,265 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,585 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,252 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,732 |
| Countries with Double Letters | 0 | - | 4.97 | 95,151 |
