| All Country Flags of the World | 0 | - | 5.00 | 3,704,674 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,233 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,379 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,919 |
| Flags with Crescents | 0 | - | 4.98 | 171,077 |
| Country Flag Trivia | 0 | - | 4.81 | 57,844 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,713 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,268 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,380 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,811 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,851 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,379 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,806 |
| Flags of North and South America | 0 | - | 4.99 | 376,257 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,101 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,129 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,669 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,056 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,414 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,132 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,426 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,266 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,202 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,205 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,164 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,239 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,021 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,636 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,059 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,021 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,427 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,838 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,977 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,323 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,545 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,627 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,578 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,748 |
| Flags to Languages | 0 | - | 4.95 | 174,365 |
| Former Flags | 0 | - | 4.97 | 108,398 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,192 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,949 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,928 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,381 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,184 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,175 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,506 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,199 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,285 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,440 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,816 |
| Flag Maths | 0 | - | 4.61 | 57,823 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,686 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,096 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,208 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,007 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,613 |
| World Coats of Arms | 0 | - | 4.99 | 65,026 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,740 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,558 |
| Similar Flags #1 | 0 | - | 4.75 | 130,642 |
| Similar Flags #2 | 0 | - | 4.74 | 137,944 |
| Name a Valid Country Flag | 0 | - | 4.70 | 76,823 |
| Emoji Flags | 0 | - | 4.35 | 44,258 |
| Countries by Road Signs | 0 | - | 4.98 | 54,272 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,130 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,998 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,113 |
| Select the World Flags | 0 | - | 4.28 | 37,946 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,466 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,722 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,433 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,479 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,092 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,675 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,268 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,027 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,170 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,593 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,229 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,902 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,409 |
| Pixelated World Map | 0 | - | 5.00 | 143,971 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,873 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,727,996 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,394 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,089 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,379 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,476 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,986 |
| Flags of Oceania | 0 | - | 5.00 | 262,150 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,355 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,373 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,356 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,682 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,351 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,206 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,354 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,774 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,310 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,654 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,206 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,353 |
| Geography by Picture - N | 0 | - | 4.45 | 42,321 |
| Geography by Picture - R | 0 | - | 4.56 | 41,125 |
| Geography by Picture - T | 0 | - | 4.54 | 57,970 |
| Flags of WW1 | 0 | - | 4.60 | 38,635 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,271 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,937 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,416 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,581 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,093 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,661 |
| Name a Valid African Country | 0 | - | 4.98 | 154,887 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,718 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,887 |
| Boundary Waters | 0 | - | 4.92 | 88,717 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,372 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,584 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,196 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,861 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,863 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,796,836 |
| Landlocked Countries | 0 | - | 4.99 | 424,709 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,904 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,641 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,886 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,736 |
| Merged Countries #2 | 0 | - | 4.96 | 99,806 |
| Merged Countries #6 | 0 | - | 4.90 | 73,740 |
| Merged Countries #7 | 0 | - | 4.93 | 83,077 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,351 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,386 |
| Satellite Images #1 | 0 | - | 4.47 | 129,911 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,606 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,159 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,180 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,169 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,484 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,032 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,869 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,307 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,835 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,867 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,143 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,695 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,576 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,160 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,187 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,314 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,302 |
| Which City in Europe? | 0 | - | 4.83 | 107,809 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,724 |
| Himalayan Countries | 0 | - | 4.93 | 139,841 |
| Andean Countries | 0 | - | 4.94 | 85,216 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,393 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,699 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,957 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,261 |
| Danube Countries | 0 | - | 4.97 | 72,289 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,438 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,726 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,893 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,394 |
| European Landlocked Countries | 0 | - | 4.99 | 147,476 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,117 |
| Countries with the Most Species | 0 | - | 4.99 | 103,503 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,266 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,718 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,829 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,762 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,497 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,919 |
| Countries in the Alps | 0 | - | 4.87 | 118,619 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,380 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,639 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,888 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,915 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,840 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,150 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,279 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,785 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,352 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,084 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,803 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,671 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,466 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,704 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,792 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,563 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,532 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,596 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,514 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,275 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,892 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,441 |
| Largest Countries By Category | 0 | - | 4.97 | 158,688 |
| Countries by Countries | 0 | - | 4.96 | 63,530 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,133 |
