| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,030,323 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,539 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,888 |
| Europe Map Quiz | 0 | - | 5.00 | 4,264,632 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,851 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,606 |
| World Map Quiz | 0 | - | 4.90 | 48,341 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 111,228 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 87,056 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 51,029 |
| United States Cities Map Quiz | 0 | - | 4.97 | 200,192 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 109,269 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.82 | 65,408 |
| Top World Languages on a Map | 0 | - | 4.91 | 92,528 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 97,358 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 39,427 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,041,368 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,337,563 |
| Oceania Map Quiz | 0 | - | 4.97 | 563,683 |
| Africa Map Quiz | 0 | - | 5.00 | 1,928,698 |
| Asia Map Quiz | 0 | - | 4.99 | 777,240 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,365,168 |
| 407 Islands on the World Map | 0 | - | 4.98 | 27,569 |
| World Capitals by Map | 0 | - | 5.00 | 238,862 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,009 |
| Countries of the World in 1900 | 0 | - | 4.88 | 65,304 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 169,155 |
| All Countries by Northernmost Point on Land | 0 | - | 4.91 | 105,454 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 53,656 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 126,639 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,780 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,963 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,322 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 46,528 |
| African East Coast | 0 | - | 4.97 | 83,514 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,275,120 |
| Australia Map Quiz | 0 | - | 4.95 | 317,752 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,355 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 30,607 |
| Boundary Waters | 0 | - | 4.93 | 80,544 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,006 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,703 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,645 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 59,255 |
| Pixelated World Map | 0 | - | 5.00 | 127,171 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 86,254 |
| Countries of the World in 1444 | 0 | - | 4.98 | 49,409 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 38,594 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,847 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,269 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,417 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 114,867 |
| North America Map Quiz | 0 | - | 4.98 | 195,324 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,121 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,754 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 43,329 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,587 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,549 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 209,137 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 273,070 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 574,001 |
| South America Map Quiz | 0 | - | 5.00 | 1,412,466 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,855 |
| Largest World's Islands on the World Map | 0 | - | 4.65 | 153,929 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,561,975 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,838 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,565 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 340,591 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,598 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,630 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 848,327 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,387 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,558 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 46,433 |
| Seas on the World Map | 0 | - | 4.98 | 120,965 |
| Seas of the World | 0 | - | 5.00 | 125,906 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,719 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 98,240 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,949 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,063 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,399 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,024 |
| World Capitals Quiz | 0 | - | 5.00 | 4,468,180 |
| Countries on the Equator | 0 | - | 4.83 | 133,279 |
| Members of the Arab League | 0 | - | 4.83 | 59,795 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,494 |
| Himalayan Countries | 0 | - | 4.95 | 102,881 |
| Andean Countries | 0 | - | 4.90 | 57,173 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,021 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,666 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,015 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,640 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,835 |
| Danube Countries | 0 | - | 4.97 | 56,404 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,445 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,643 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,529 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,909 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,543 |
| European Landlocked Countries | 0 | - | 4.99 | 114,899 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,880 |
| Countries with the Most Species | 0 | - | 4.99 | 89,116 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,943 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,489 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,852 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,850 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,173 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,502 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,774 |
| Countries in the Alps | 0 | - | 4.83 | 101,996 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,795 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,061 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,208 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,838 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,482 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,159 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,169 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,841 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,115 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,257 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,007 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,383 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,467 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,075 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,586 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,078 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,890 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,026 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,034 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,596 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,714 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,021 |
| Largest Countries By Category | 0 | - | 4.96 | 144,080 |
| Countries by Countries | 0 | - | 4.96 | 54,206 |
| Country Flags with the Most White | 0 | - | 4.90 | 114,678 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,448 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,492 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.79 | 35,670 |
| All Countries by Population With a Map | 0 | - | 4.98 | 60,964 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 76,132 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,538 |
| U.S. National Parks Map Quiz | 0 | - | 4.51 | 51,594 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 83,070 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,350 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 132,821 |
| Brazil States Map Quiz | 0 | - | 4.84 | 39,059 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,707 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,695 |
| France Cities Map Quiz | 0 | - | 4.95 | 147,085 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 105,332 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,493 |
| China Cities Map Quiz | 0 | - | 4.87 | 88,130 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 126,429 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,271 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,301 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,341 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,295 |
| Longest International Borders | 0 | - | 4.99 | 233,047 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,532 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,493 |
| Countries and States in the Caucasus | 0 | - | 4.45 | 45,808 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 34,434 |
| Largest Arctic Islands with a Map | 0 | - | 4.44 | 19,041 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,371 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 34,229 |
| Demonym of Every Country | 0 | - | 4.91 | 48,975 |
| The Same Prefixes - Geography | 0 | - | 4.50 | 41,673 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 58,224 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 49,045 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,372,182 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 46,533 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,036 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,519 |
| Island Countries Quiz | 0 | - | 4.99 | 639,596 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.80 | 49,034 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.75 | 39,526 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,504 |
| Northernmost Countries | 0 | - | 4.99 | 325,687 |
| Countries of South America | 0 | - | 5.00 | 785,494 |
| Countries of Oceania | 0 | - | 5.00 | 884,413 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,117,814 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,556,034 |
| Europe Map Quiz - "B" Cities | 0 | - | 4.58 | 44,963 |
| Top World Languages | 0 | - | 4.91 | 700,774 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 29,004 |
| Countries with Three Borders | 0 | - | 4.96 | 31,012 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,986 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,215 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 76,201 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,479 |
| Countries with Megacities | 0 | - | 4.99 | 195,224 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,860 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,057 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,974 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,926 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,667 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,319 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,283 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,930 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,027 |
