| Countries of the World in 1900 | 0 | - | 4.89 | 84,117 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,081 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,790 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,666 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,161 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,879 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,117 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 52,755 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,088 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,997 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,438 |
| Find the City #1 | 0 | - | 4.97 | 42,473 |
| Independence from Whom | 0 | - | 4.99 | 210,762 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,299 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,207 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,558 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,502 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,298 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 111,676 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,494 |
| Countries by Founding Story | 0 | - | 4.95 | 76,857 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 145,743 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,668 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,503 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 115,873 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,890 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,921 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,812,949 |
| Roman Provinces on a Map | 0 | - | 4.54 | 36,734 |
| Cities by Former Name | 0 | - | 4.84 | 91,244 |
| World Capitals by Map | 0 | - | 5.00 | 284,736 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,955 |
| Recently Independent Countries | 0 | - | 4.98 | 158,360 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,634 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,069 |
| Countries by Former Name | 0 | - | 4.99 | 124,648 |
| Historical City to Country | 0 | - | 4.84 | 78,310 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,440 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,298 |
| African East Coast | 0 | - | 4.96 | 95,504 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,307 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,167 |
| Boundary Waters | 0 | - | 4.92 | 88,220 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,958 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,635 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,792 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,105 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,019 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,085 |
| Pixelated World Map | 0 | - | 5.00 | 142,862 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,362 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,651 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 80,221 |
| Former Flags | 0 | - | 4.97 | 107,156 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,774 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,265 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,601 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,569 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,824 |
| Ancient City to Country | 0 | - | 4.70 | 107,784 |
| City-States | 0 | - | 4.53 | 37,176 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,577 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,034 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,318 |
| Countries by Independence Day | 0 | - | 4.61 | 52,671 |
| Former Countries by Capital | 0 | - | 4.45 | 127,237 |
| Former Countries | 0 | - | 4.75 | 132,959 |
| Find The Mystery Country Using Color Clues #1 | 0 | - | 4.80 | 232,783 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 174,528 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,152,234 |
| Landlocked Countries | 0 | - | 4.99 | 416,521 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,731 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,404 |
| Battle to Country | 0 | - | 4.91 | 52,891 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,492 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,448 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,435 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,459 |
| Seas on the World Map | 0 | - | 4.96 | 134,702 |
| Seas of the World | 0 | - | 5.00 | 155,357 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,283 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 123,325 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,509 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,842 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,935 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,476 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,354 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,357 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,329 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,266 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,515 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,062 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,077 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,218 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,605 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,866 |
| Himalayan Countries | 0 | - | 4.95 | 136,445 |
| Andean Countries | 0 | - | 4.95 | 83,453 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,722 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,953 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,398 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,000 |
| Danube Countries | 0 | - | 4.97 | 71,379 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,190 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,839 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,125 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,086 |
| European Landlocked Countries | 0 | - | 4.99 | 146,117 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,740 |
| Countries with the Most Species | 0 | - | 4.99 | 101,270 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,721 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,871 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,323 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,502 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,147 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,798 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,172 |
| Countries in the Alps | 0 | - | 4.86 | 117,307 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,884 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,856 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,243 |
| Guerrillas by Country | 0 | - | 4.40 | 41,025 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,731 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,808 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,243 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,968 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,988 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,790 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,139 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,320 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,352 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,198 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,522 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,709 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,986 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,996 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,679 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,880 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,421 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,218 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,918 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,534 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,814 |
| Largest Countries By Category | 0 | - | 4.97 | 157,233 |
| Countries by Countries | 0 | - | 4.96 | 62,580 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,859 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,075 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Merged Country Flags | 0 | - | 4.88 | 106,314 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,668 |
| 20 Countries on a Topological Map #2 | 0 | - | 4.74 | 21,664 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,378 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,308 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,072 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,614 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,030 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,622 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,910 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,603 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,196 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,835 |
| Longest International Borders | 0 | - | 4.99 | 264,280 |
| Countries with Three Borders | 0 | - | 4.96 | 36,340 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,774 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,866 |
| Famous Immigrants and Exiles | 0 | - | 4.45 | 23,106 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,327 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,147 |
| Largest Arctic Islands with a Map | 0 | - | 4.46 | 20,551 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,297 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,825 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,529 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,948 |
| Demonym of Every Country | 0 | - | 4.91 | 58,900 |
| People Born on Islands | 0 | - | 4.39 | 52,819 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,247 |
| WWII Geography | 0 | - | 4.81 | 119,856 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,557 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,722 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,214 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,687 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,066 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,496 |
| World Capitals on an Empty Map | 0 | - | 4.70 | 53,767 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,782 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,663 |
| Island Countries | 0 | - | 4.99 | 708,759 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,171 |
| Northernmost Countries | 0 | - | 4.99 | 359,299 |
| Countries of South America | 0 | - | 5.00 | 919,481 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,417 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,113 |
| "Land" Countries | 0 | - | 4.98 | 334,547 |
| Top World Languages | 0 | - | 4.92 | 817,125 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,182 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,330 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,642 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,822 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.82 | 54,524 |
