| All Country Flags of the World | 0 | - | 5.00 | 3,658,051 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,178 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,379 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,103 |
| Flags with Crescents | 0 | - | 4.98 | 169,372 |
| Country Flag Trivia | 0 | - | 4.81 | 56,946 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,641 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,414 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,270 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,214 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,162 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,737 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,515 |
| Flags of North and South America | 0 | - | 4.99 | 372,669 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,527 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,771 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,282 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,149 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,188 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,889 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,002 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,446 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,419 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,352 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,451 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,549 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,327 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,010 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,448 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,676 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,066 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,313 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,356 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,680 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,901 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,996 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,808 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,403 |
| Flags to Languages | 0 | - | 4.95 | 173,550 |
| Former Flags | 0 | - | 4.97 | 107,631 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,907 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,489 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,392 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,471 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,934 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,669 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,097 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,446 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,460 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,904 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,260 |
| Flag Maths | 0 | - | 4.64 | 57,756 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,477 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,432 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,783 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,724 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,476 |
| World Coats of Arms | 0 | - | 4.99 | 64,441 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,679 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,286 |
| Similar Flags #1 | 0 | - | 4.75 | 129,942 |
| Similar Flags #2 | 0 | - | 4.74 | 137,234 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,632 |
| Emoji Flags | 0 | - | 4.35 | 44,065 |
| Countries by Road Signs | 0 | - | 4.98 | 53,736 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,668 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,542 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,880 |
| Select the World Flags | 0 | - | 4.27 | 37,708 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,242 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,358 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,055 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,144 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,901 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,464 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,376 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,360 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,787 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,047 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,526 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,815 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,549 |
| Pixelated World Map | 0 | - | 5.00 | 143,306 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,717,866 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,509 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,430 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,182 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,856 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,211 |
| Flags of Oceania | 0 | - | 5.00 | 258,732 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,164 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,967 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,794 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,115 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,665 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,002 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,057 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,332 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,055 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,412 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,110 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,016 |
| Geography by Picture - T | 0 | - | 4.54 | 57,830 |
| Flags of WW1 | 0 | - | 4.60 | 38,348 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,873 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,494 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,264 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,616 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,644 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,918 |
| Name a Valid African Country | 0 | - | 4.98 | 153,964 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,570 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,818 |
| Boundary Waters | 0 | - | 4.92 | 88,433 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,127 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,013 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,347 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,415 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,351 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,403,279 |
| Landlocked Countries | 0 | - | 4.99 | 419,789 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,966 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,461 |
| Random Point on Land to European Country | 0 | - | 4.93 | 77,061 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,438 |
| Merged Countries #2 | 0 | - | 4.96 | 99,003 |
| Merged Countries #6 | 0 | - | 4.90 | 73,210 |
| Merged Countries #7 | 0 | - | 4.93 | 82,557 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,755 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,131 |
| Satellite Images #1 | 0 | - | 4.47 | 129,342 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,280 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,896 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,901 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,966 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,947 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,751 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,550 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,744 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,838 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,057 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,471 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,460 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,824 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,215 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,713 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,956 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,611 |
| Which City in Europe? | 0 | - | 4.83 | 107,336 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,360 |
| Himalayan Countries | 0 | - | 4.95 | 137,788 |
| Andean Countries | 0 | - | 4.95 | 84,109 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,342 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,888 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,978 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,453 |
| Danube Countries | 0 | - | 4.97 | 71,748 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,675 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,149 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,821 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,891 |
| European Landlocked Countries | 0 | - | 4.99 | 146,871 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,254 |
| Countries with the Most Species | 0 | - | 4.99 | 103,015 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,416 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,460 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,628 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,377 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,049 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,449 |
| Countries in the Alps | 0 | - | 4.87 | 117,834 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,230 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,560 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,474 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,353 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,219 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,783 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,383 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,268 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,028 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,632 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,528 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,996 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,269 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,288 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,383 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,122 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,631 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,674 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,789 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,470 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,051 |
| Largest Countries By Category | 0 | - | 4.97 | 157,798 |
| Countries by Countries | 0 | - | 4.97 | 62,935 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,344 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,184 |
