| Countries by Emojis | 0 | - | 4.99 | 241,435 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,456 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,565 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,197 |
| Random Country to Capital | 0 | - | 4.98 | 926,291 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,165 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,445 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,156 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,463 |
| Capital Cities Chain | 0 | - | 4.84 | 83,239 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,432 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,440 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,148 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,914 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,560 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,163 |
| Dog in the Answers | 0 | - | 4.16 | 68,827 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,284 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,547 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,858 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,005 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,503 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,261 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,923 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,184 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,952 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,497 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,176 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,757 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,948 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,549 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,003 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,810 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,257 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,530 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,025 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,452 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,477 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,973 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,628 |
| Name a Valid African Country | 0 | - | 4.98 | 154,858 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,682 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,522 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,562 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,844 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,435,084 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,941 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,856 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,862 |
| National Animals | 0 | - | 4.24 | 90,179 |
| Drinks by Country | 0 | - | 4.30 | 59,481 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,026 |
| Which City in Europe? | 0 | - | 4.83 | 107,794 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,779,759 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,120 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,017 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,157 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,650 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,442 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,415 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,441 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,860 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,521 |
| Brand-Name Animals | 0 | - | 4.16 | 74,638 |
| Boundary Waters | 0 | - | 4.92 | 88,711 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,366 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,562 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,160 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,844 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,939 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,443 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,469 |
| Which City in Canada? | 0 | - | 4.83 | 57,294 |
| Landlocked Countries | 0 | - | 4.99 | 424,501 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,187 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,652 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,015 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,255 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,360 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,662 |
| Countries by Milk Production | 0 | - | 4.54 | 44,184 |
| Mountains by Country | 0 | - | 4.56 | 81,951 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,796,142 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,590 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,360 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,352 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,856 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,285 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,807 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,840 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,294 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,175 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,655 |
| Random European City to Country | 0 | - | 4.69 | 118,320 |
| Random Asian City to Country | 0 | - | 4.56 | 44,600 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,774 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,071 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,421 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,821 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,302 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,956 |
| Island Countries | 0 | - | 4.99 | 712,065 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,618 |
| Himalayan Countries | 0 | - | 4.94 | 139,765 |
| Andean Countries | 0 | - | 4.94 | 85,178 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,364 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,632 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,931 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,221 |
| Danube Countries | 0 | - | 4.97 | 72,274 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,415 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,702 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,850 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,356 |
| European Landlocked Countries | 0 | - | 4.99 | 147,453 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,079 |
| Countries with the Most Species | 0 | - | 4.99 | 103,484 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,224 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,710 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,822 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,741 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,474 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,906 |
| Countries in the Alps | 0 | - | 4.87 | 118,580 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,306 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,593 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,863 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,885 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,810 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,136 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,184 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,752 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,335 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,063 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,791 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,659 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,449 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,681 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,771 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,517 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,519 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,527 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,483 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,196 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,840 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,425 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,425 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,394 |
| Largest Countries By Category | 0 | - | 4.97 | 158,647 |
| Countries by Countries | 0 | - | 4.96 | 63,509 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,701 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,090 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,644 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,554 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,278 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,526 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,977 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,261 |
| Northernmost Countries | 0 | - | 4.99 | 363,400 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,478 |
| Companies by Country | 0 | - | 4.61 | 120,068 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,433 |
| Political Movements by Country | 0 | - | 4.46 | 72,717 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,159 |
| Airlines by Country | 0 | - | 4.52 | 135,740 |
| Countries of South America | 0 | - | 5.00 | 930,907 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,246 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,368 |
| "Land" Countries | 0 | - | 4.98 | 338,055 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,209 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,914 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,450 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,844,206 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,197 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,339 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,950 |
| All Country Flags of the World | 0 | - | 5.00 | 3,702,879 |
| Foods of the World by Description | 0 | - | 4.18 | 46,098 |
| Top World Languages | 0 | - | 4.92 | 828,164 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,714 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,586 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,750 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,481 |
| Longest International Borders | 0 | - | 4.99 | 265,621 |
| Countries with Three Borders | 0 | - | 4.96 | 36,723 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,292 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,463 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,121 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,414 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,383 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,628 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,700 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,344 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,068 |
| Geography of Egypt | 0 | - | 4.60 | 21,591 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,435 |
| Demonym of Every Country | 0 | - | 4.90 | 61,308 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,345 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,646,911 |