| All Country Flags of the World | 0 | - | 5.00 | 3,664,747 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,317 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,988 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,471 |
| Flags with Crescents | 0 | - | 4.98 | 169,614 |
| Country Flag Trivia | 0 | - | 4.81 | 57,050 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,788 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,527 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,450 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,281 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,824 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,833 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,062 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,541 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,348 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,428 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,106 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,249 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,599 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,576 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,508 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,554 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,661 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,438 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,111 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,536 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,726 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,129 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,399 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,455 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,785 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,994 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,090 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,918 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,476 |
| Flags of North and South America | 0 | - | 4.99 | 373,132 |
| Flags to Languages | 0 | - | 4.95 | 173,650 |
| Former Flags | 0 | - | 4.97 | 107,737 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,956 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,543 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,471 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,966 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,497 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,743 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,169 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,569 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,580 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,825 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,685 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,956 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,769 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,506 |
| World Coats of Arms | 0 | - | 4.99 | 64,527 |
| Similar Flags #1 | 0 | - | 4.75 | 130,051 |
| Similar Flags #2 | 0 | - | 4.74 | 137,329 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,596 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,780 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,467 |
| Emoji Flags | 0 | - | 4.35 | 44,100 |
| Countries by Road Signs | 0 | - | 4.98 | 53,833 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,623 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,273 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,928 |
| Select the World Flags | 0 | - | 4.27 | 37,751 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,977 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,917 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,446 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,139 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,214 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,939 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,511 |
| Countries by Picture #1 | 0 | - | 4.50 | 114,775 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,580 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,870 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,730 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,280 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,637 |
| Pixelated World Map | 0 | - | 5.00 | 143,399 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,366 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,113 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,537 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,202 |
| Boundary Waters | 0 | - | 4.92 | 88,467 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,169 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,092 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,452 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,462 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,414 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,088 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,077 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,385 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,702 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,301 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,899 |
| Geography by Picture - B | 0 | - | 4.42 | 55,613 |
| Geography by Picture - H | 0 | - | 4.50 | 58,235 |
| Geography by Picture - N | 0 | - | 4.45 | 42,208 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,849 |
| Flags of Oceania | 0 | - | 5.00 | 259,457 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,329 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,026 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,867 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,212 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,767 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,459,697 |
| Flags of WW1 | 0 | - | 4.60 | 38,387 |
| Landlocked Countries | 0 | - | 4.99 | 420,530 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,271 |
| Satellite Images #1 | 0 | - | 4.47 | 129,385 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,318 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,922 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,937 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,994 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,021 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,822 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,609 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,836 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,952 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,178 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,847 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,710 |
| Himalayan Countries | 0 | - | 4.95 | 138,084 |
| Andean Countries | 0 | - | 4.95 | 84,264 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,488 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,329 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,120 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,562 |
| Danube Countries | 0 | - | 4.97 | 71,835 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,792 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,234 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,970 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,423 |
| European Landlocked Countries | 0 | - | 4.99 | 146,964 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,374 |
| Countries with the Most Species | 0 | - | 4.99 | 103,091 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,530 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,506 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,658 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,444 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,115 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,504 |
| Countries in the Alps | 0 | - | 4.87 | 117,957 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,447 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,710 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,548 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,454 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,306 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,831 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,468 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,339 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,076 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,702 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,567 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,420 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,070 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,349 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,365 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,541 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,179 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,690 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,822 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,171 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,664 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,109 |
| Largest Countries By Category | 0 | - | 4.97 | 157,928 |
| Countries by Countries | 0 | - | 4.97 | 63,012 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,466 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,216 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,510 |
| Merged Country Flags | 0 | - | 4.88 | 106,777 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,084 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,806 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,666 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,509 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,620 |
| Merged Countries #2 | 0 | - | 4.96 | 99,082 |
| Merged Countries #6 | 0 | - | 4.90 | 73,283 |
| Merged Countries #7 | 0 | - | 4.93 | 82,628 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,558 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,795 |
| Geography by Picture - A | 0 | - | 4.39 | 60,263 |
| Geography by Picture - D | 0 | - | 4.15 | 45,667 |
| Geography by Picture - F | 0 | - | 4.31 | 51,012 |
| Geography by Picture - G | 0 | - | 4.38 | 47,953 |
| Geography by Picture - J | 0 | - | 4.16 | 38,470 |
| Geography by Picture - K | 0 | - | 4.29 | 33,134 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,973 |
| Geography by Picture - M | 0 | - | 4.14 | 40,468 |
| Geography by Picture - P | 0 | - | 4.24 | 42,441 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,356 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,442 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,835 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,594 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,188 |
| Longest International Borders | 0 | - | 4.99 | 264,943 |
| Countries with Three Borders | 0 | - | 4.96 | 36,534 |
