| All Country Flags of the World | 0 | - | 5.00 | 3,661,220 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,784 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,699 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,291 |
| Flags with Crescents | 0 | - | 4.98 | 169,484 |
| Country Flag Trivia | 0 | - | 4.81 | 56,997 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,704 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,479 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,374 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,254 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,775 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,635 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,888 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,388 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,225 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,284 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,983 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,097 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,523 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,481 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,425 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,500 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,598 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,381 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,060 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,490 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,702 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,093 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,343 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,398 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,727 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,939 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,040 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,862 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,448 |
| Flags of North and South America | 0 | - | 4.99 | 372,904 |
| Flags to Languages | 0 | - | 4.95 | 173,611 |
| Former Flags | 0 | - | 4.97 | 107,687 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,932 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,519 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,428 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,945 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,020 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,710 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,131 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,506 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,523 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,600 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,523 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,825 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,746 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,487 |
| World Coats of Arms | 0 | - | 4.99 | 64,477 |
| Similar Flags #1 | 0 | - | 4.75 | 129,992 |
| Similar Flags #2 | 0 | - | 4.74 | 137,276 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,528 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,732 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,358 |
| Emoji Flags | 0 | - | 4.35 | 44,085 |
| Countries by Road Signs | 0 | - | 4.98 | 53,774 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,579 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,254 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,793 |
| Select the World Flags | 0 | - | 4.27 | 37,739 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,947 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,901 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,396 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,093 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,177 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,909 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,478 |
| Countries by Picture #1 | 0 | - | 4.53 | 104,638 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,752 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,810 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,685 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,454 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,210 |
| Pixelated World Map | 0 | - | 5.00 | 143,353 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,946 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,078 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,478 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,191 |
| Boundary Waters | 0 | - | 4.92 | 88,454 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,146 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,051 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,402 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,449 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,383 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,040 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,067 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,676 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,598 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,697 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,370 |
| Geography by Picture - B | 0 | - | 4.42 | 55,596 |
| Geography by Picture - H | 0 | - | 4.50 | 58,222 |
| Geography by Picture - N | 0 | - | 4.45 | 42,201 |
| Geography by Picture - R | 0 | - | 4.56 | 41,020 |
| Geography by Picture - T | 0 | - | 4.54 | 57,837 |
| Flags of Oceania | 0 | - | 5.00 | 258,925 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,245 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,000 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,835 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,161 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,711 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,430,692 |
| Flags of WW1 | 0 | - | 4.60 | 38,366 |
| Landlocked Countries | 0 | - | 4.99 | 420,107 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,272 |
| Satellite Images #1 | 0 | - | 4.47 | 129,362 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,299 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,907 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,917 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,980 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,979 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,577 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,792 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,898 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,112 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,460 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,521 |
| Himalayan Countries | 0 | - | 4.95 | 137,935 |
| Andean Countries | 0 | - | 4.95 | 84,189 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,403 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,049 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,052 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,497 |
| Danube Countries | 0 | - | 4.97 | 71,782 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,724 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,176 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,889 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,053 |
| European Landlocked Countries | 0 | - | 4.99 | 146,922 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,311 |
| Countries with the Most Species | 0 | - | 4.99 | 103,054 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,471 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,475 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,641 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,410 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,093 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,481 |
| Countries in the Alps | 0 | - | 4.87 | 117,908 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,264 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,627 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,517 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,408 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,255 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,808 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,424 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,299 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,051 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,668 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,392 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,025 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,320 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,327 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,453 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,144 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,656 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,738 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,980 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,556 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,853 |
| Countries by Countries | 0 | - | 4.97 | 62,965 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,409 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,499 |
| Merged Country Flags | 0 | - | 4.88 | 106,736 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,949 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,770 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,623 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,465 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,108 |
| Merged Countries #2 | 0 | - | 4.96 | 99,043 |
| Merged Countries #6 | 0 | - | 4.90 | 73,242 |
| Merged Countries #7 | 0 | - | 4.93 | 82,597 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,526 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Geography by Picture - A | 0 | - | 4.39 | 60,245 |
| Geography by Picture - D | 0 | - | 4.15 | 45,653 |
| Geography by Picture - F | 0 | - | 4.31 | 50,998 |
| Geography by Picture - G | 0 | - | 4.38 | 47,944 |
| Geography by Picture - J | 0 | - | 4.16 | 38,462 |
| Geography by Picture - K | 0 | - | 4.29 | 33,122 |
| Geography by Picture - C | 0 | - | 4.31 | 57,066 |
| Geography by Picture - L | 0 | - | 4.37 | 58,957 |
| Geography by Picture - M | 0 | - | 4.14 | 40,457 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,038 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,328 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,434 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,815 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,490 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,880 |
| Countries with Three Borders | 0 | - | 4.96 | 36,518 |
