| Countries by Emojis | 0 | - | 4.99 | 238,610 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,663 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,424 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,989 |
| Random Country to Capital | 0 | - | 4.98 | 918,287 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,245 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,819 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,217 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,850 |
| Capital Cities Chain | 0 | - | 4.83 | 82,490 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,673 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,701 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,769 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,222 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,900 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,755 |
| Dog in the Answers | 0 | - | 4.16 | 68,552 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,621 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,681 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,707 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,093 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,546 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,788 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,392 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,618 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,717 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,325 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,281 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,152 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,049 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,932 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,627 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,281 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,475 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,073 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,051 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,978 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,682 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,961 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,767 |
| Name a Valid African Country | 0 | - | 4.98 | 153,763 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,343 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,280 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,286 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,652 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,417,761 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,330 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,858 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,782 |
| National Animals | 0 | - | 4.24 | 89,603 |
| Drinks by Country | 0 | - | 4.30 | 59,307 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,716 |
| Which City in Europe? | 0 | - | 4.83 | 107,159 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,324,964 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,854 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,804 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,495 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 94,136 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,541 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,466 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,291 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,000 |
| Brand-Name Animals | 0 | - | 4.16 | 74,451 |
| Boundary Waters | 0 | - | 4.92 | 88,371 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,075 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,898 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,153 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,325 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,977 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,402 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,402 |
| Which City in Canada? | 0 | - | 4.82 | 56,943 |
| Landlocked Countries | 0 | - | 4.99 | 418,799 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,349 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,563 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,759 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,789 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,071 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,542 |
| Countries by Milk Production | 0 | - | 4.54 | 43,902 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,253 |
| Mountains by Country | 0 | - | 4.56 | 81,725 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,986 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,200 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,226 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,100 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,492 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,603 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,650 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,878 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,839 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,339 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,561 |
| Random European City to Country | 0 | - | 4.69 | 117,457 |
| Random Asian City to Country | 0 | - | 4.56 | 44,457 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,640 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,913 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 234,850 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,115 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,559 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,017 |
| Island Countries | 0 | - | 4.99 | 709,688 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,944 |
| Himalayan Countries | 0 | - | 4.94 | 137,367 |
| Andean Countries | 0 | - | 4.95 | 83,908 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,203 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,611 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,815 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,335 |
| Danube Countries | 0 | - | 4.97 | 71,641 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,526 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,042 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,614 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,699 |
| European Landlocked Countries | 0 | - | 4.99 | 146,757 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,109 |
| Countries with the Most Species | 0 | - | 4.99 | 102,893 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,245 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,428 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,583 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,291 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,975 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,349 |
| Countries in the Alps | 0 | - | 4.87 | 117,662 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,115 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,336 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,400 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,965 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,074 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,445 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,263 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,173 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,958 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,539 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,468 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,333 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,908 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,179 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,198 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,148 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,053 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,502 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,298 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,193 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,988 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,916 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,239 |
| Largest Countries By Category | 0 | - | 4.97 | 157,615 |
| Countries by Countries | 0 | - | 4.96 | 62,824 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,417 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,187 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,155 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,466 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,637 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,245 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,308 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,898 |
| Northernmost Countries | 0 | - | 4.99 | 360,396 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,412 |
| Companies by Country | 0 | - | 4.61 | 119,472 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,348 |
| Political Movements by Country | 0 | - | 4.46 | 72,466 |
| Inventions by Country #1 | 0 | - | 4.47 | 54,996 |
| Airlines by Country | 0 | - | 4.52 | 135,234 |
| Countries of South America | 0 | - | 5.00 | 922,714 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,780 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,927 |
| "Land" Countries | 0 | - | 4.98 | 335,762 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,928 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,792 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,245 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,822,143 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,531 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,360 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,728 |
| All Country Flags of the World | 0 | - | 5.00 | 3,648,489 |
| Foods of the World by Description | 0 | - | 4.18 | 46,007 |
| Top World Languages | 0 | - | 4.92 | 820,066 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,212 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,387 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,040 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,063 |
| Longest International Borders | 0 | - | 4.99 | 264,639 |
| Countries with Three Borders | 0 | - | 4.96 | 36,447 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,904 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,208 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,865 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,153 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,182 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,472 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,496 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,224 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,938 |
| Geography of Egypt | 0 | - | 4.60 | 21,493 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 47,998 |
| Demonym of Every Country | 0 | - | 4.91 | 59,139 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,299 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,361 |