| All Country Flags of the World | 0 | - | 5.00 | 3,717,740 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,609 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,560 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,683 |
| Flags with Crescents | 0 | - | 4.98 | 171,485 |
| Country Flag Trivia | 0 | - | 4.82 | 58,144 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,995 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,508 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,705 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,020 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,055 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,536 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,532 |
| Flags of North and South America | 0 | - | 4.99 | 377,366 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,439 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,435 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,008 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,249 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,685 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,406 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,755 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,470 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,403 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,418 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,342 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,408 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,192 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,793 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,207 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,137 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,518 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,968 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,109 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,458 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,707 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,779 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,748 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,807 |
| Flags to Languages | 0 | - | 4.95 | 174,577 |
| Former Flags | 0 | - | 4.97 | 108,666 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,261 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,065 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,046 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,640 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,245 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,310 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,630 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,419 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,513 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,589 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,199 |
| Flag Maths | 0 | - | 4.61 | 57,854 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,920 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,213 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,292 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,080 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,654 |
| World Coats of Arms | 0 | - | 4.99 | 65,214 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,907 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,794 |
| Similar Flags #1 | 0 | - | 4.75 | 130,850 |
| Similar Flags #2 | 0 | - | 4.74 | 138,118 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,047 |
| Emoji Flags | 0 | - | 4.35 | 44,302 |
| Countries by Road Signs | 0 | - | 4.98 | 54,387 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,470 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,174 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,186 |
| Select the World Flags | 0 | - | 4.28 | 38,007 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,559 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,801 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,513 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,556 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,146 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,723 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,458 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,079 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,231 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,724 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,222 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,902 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,279 |
| Pixelated World Map | 0 | - | 5.00 | 144,148 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,934 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,730,531 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,172 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,244 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,437 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,600 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,157 |
| Flags of Oceania | 0 | - | 5.00 | 262,978 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,670 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,515 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,493 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,808 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,521 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,483 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,430 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,814 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,404 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,711 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,240 |
| Geography by Picture - B | 0 | - | 4.42 | 55,794 |
| Geography by Picture - H | 0 | - | 4.50 | 58,399 |
| Geography by Picture - N | 0 | - | 4.45 | 42,358 |
| Geography by Picture - R | 0 | - | 4.56 | 41,162 |
| Geography by Picture - T | 0 | - | 4.54 | 58,017 |
| Flags of WW1 | 0 | - | 4.60 | 38,727 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,328 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,993 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,703 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,792 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,842 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,840 |
| Name a Valid African Country | 0 | - | 4.98 | 155,110 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,955 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,902 |
| Boundary Waters | 0 | - | 4.92 | 88,794 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,429 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,749 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,402 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,002 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,018 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,913,479 |
| Landlocked Countries | 0 | - | 4.99 | 426,420 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,144 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,793 |
| Random Point on Land to European Country | 0 | - | 4.94 | 78,097 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,820 |
| Merged Countries #2 | 0 | - | 4.96 | 99,907 |
| Merged Countries #4 | 0 | - | 4.81 | 94,149 |
| Merged Countries #6 | 0 | - | 4.90 | 73,841 |
| Merged Countries #7 | 0 | - | 4.93 | 83,174 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,485 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,465 |
| Satellite Images #1 | 0 | - | 4.46 | 130,026 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,719 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,418 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,266 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,241 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,608 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,949 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,443 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,047 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,075 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,321 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,752 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,739 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,001 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,286 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,397 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,450 |
| Which City in Europe? | 0 | - | 4.83 | 107,919 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,503 |
| Himalayan Countries | 0 | - | 4.93 | 140,445 |
| Andean Countries | 0 | - | 4.94 | 85,588 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,731 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,181 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,293 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,535 |
| Danube Countries | 0 | - | 4.97 | 72,462 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,671 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,894 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,240 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,717 |
| European Landlocked Countries | 0 | - | 4.99 | 147,656 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,379 |
| Countries with the Most Species | 0 | - | 4.99 | 103,599 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,488 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,871 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,611 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,062 |
| Countries in the Alps | 0 | - | 4.87 | 118,842 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,760 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,976 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,001 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,079 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,021 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,308 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,464 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,909 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,458 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,223 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,907 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,773 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,598 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,840 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,935 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,960 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,652 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,264 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,732 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,905 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,270 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,546 |
| Largest Countries By Category | 0 | - | 4.97 | 158,940 |
| Countries by Countries | 0 | - | 4.96 | 63,698 |
