| NATO Countries | 0 | - | 4.98 | 275,128 |
| EU Countries Quiz | 0 | - | 4.99 | 269,443 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,717 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,854,046 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,012 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,500 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,677 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,772 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,581 |
| Countries with NO Military | 0 | - | 4.97 | 61,065 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,837 |
| Landlocked Countries | 0 | - | 4.99 | 412,906 |
| OPEC Countries | 0 | - | 4.74 | 84,781 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,256 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,148 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,619 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,002 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,559 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,806 |
| Buddhist Countries | 0 | - | 4.96 | 142,826 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,458 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,848 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,035 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,249 |
| Himalayan Countries | 0 | - | 4.95 | 135,064 |
| Andean Countries | 0 | - | 4.94 | 82,672 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,088 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,002 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,767 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,473 |
| Danube Countries | 0 | - | 4.97 | 71,004 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,639 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,460 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,294 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,202 |
| European Landlocked Countries | 0 | - | 4.99 | 145,670 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,056 |
| Countries with the Most Species | 0 | - | 4.99 | 95,188 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,204 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,175 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,334 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,909 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,513 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,871 |
| Countries in the Alps | 0 | - | 4.87 | 116,689 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,477 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,089 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,943 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,328 |
| 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 | 99,475 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,686 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,782 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,973 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,999 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,365 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,675 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,677 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,872 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,572 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,201 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,672 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,853 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,386 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,545 |
| Largest Countries By Category | 0 | - | 4.97 | 156,624 |
| Countries by Countries | 0 | - | 4.96 | 62,169 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,225 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,934 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,661 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,053 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,845 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,011 |
| Island Countries | 0 | - | 4.99 | 707,249 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,386 |
| Northernmost Countries | 0 | - | 4.99 | 357,263 |
| Countries of South America | 0 | - | 5.00 | 913,428 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,696 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,271 |
| "Land" Countries | 0 | - | 4.98 | 333,430 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,703 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,052 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,800 |
| Countries that Start with D | 0 | - | 4.96 | 700,533 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,307 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,481 |
| Countries that Start with H | 0 | - | 4.96 | 597,088 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,220 |
| Countries that Start with J | 0 | - | 4.98 | 595,148 |
| Countries that Start with K | 0 | - | 4.96 | 808,632 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,953 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,808 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,651 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,228 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,449 |
| Countries that Start with U | 0 | - | 4.97 | 899,142 |
| Countries that Start with V | 0 | - | 4.98 | 604,533 |
| Countries that Start with F | 0 | - | 4.83 | 611,483 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,286 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,880 |
| Orthodox Countries | 0 | - | 4.91 | 130,255 |
| Richest Island Countries | 0 | - | 4.84 | 99,380 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,128 |
| Battle to Country | 0 | - | 4.91 | 52,440 |
| Monarchies of Europe | 0 | - | 4.90 | 97,209 |
| Monarchies of Asia | 0 | - | 4.97 | 70,540 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,263 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,542 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,087 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,261 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,379 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,156 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,008 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,332 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,447 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,539 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,724 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,810 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,593 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,479 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,736 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,323 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,548 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,871 |
| Countries with Megacities | 0 | - | 4.99 | 246,209 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,788 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,740 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,256 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,675 |
| Countries by Official Language | 0 | - | 4.95 | 192,590 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,879 |
| Countries in their Native Language | 0 | - | 4.99 | 196,477 |
| Independence from Whom | 0 | - | 4.99 | 209,474 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,585 |
| Megadiverse Countries | 0 | - | 4.97 | 133,833 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,655 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,373 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,548 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,939 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,593 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,063 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,178 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,715 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,386 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,365 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,430 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,446 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,608 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,979 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,002 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,726 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,664 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,354 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,231 |
| World Map Quiz | 0 | - | 4.81 | 63,360 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,482 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,226 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,223 |
| Communist Countries in History | 0 | - | 4.63 | 492,106 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,159 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,880 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,855 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,515 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,771 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,966 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,174 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,881 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,257 |
| Widest Countries East to West | 0 | - | 4.92 | 128,525 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,082 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,627 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,518 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,950 |
| 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 | 93,222 |
| Countries that End in N | 0 | - | 4.94 | 156,288 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,496 |
| Countries with Six Letters | 0 | - | 4.93 | 210,196 |
| Countries with W | 0 | - | 4.97 | 158,102 |
| Countries with Z | 0 | - | 4.98 | 287,442 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,431 |
| Countries That End in U | 0 | - | 4.95 | 119,448 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,353 |
| Countries that End in O | 0 | - | 4.92 | 158,478 |
| Countries that End in R | 0 | - | 4.86 | 118,206 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,811 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,865 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,186 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,383 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,569 |
| Countries That End in Y | 0 | - | 4.90 | 185,155 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,178 |
