| All Country Flags of the World | 0 | - | 5.00 | 3,648,632 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,558 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,586 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,560 |
| Flags with Crescents | 0 | - | 4.98 | 169,088 |
| Country Flag Trivia | 0 | - | 4.81 | 56,779 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,425 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,244 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,040 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,107 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,616 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,297 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,561 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,077 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,049 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,005 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,684 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,786 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,325 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,304 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,185 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,331 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,437 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,189 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,894 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,358 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,621 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,005 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,215 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,269 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,578 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,788 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,893 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,676 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,351 |
| Flags of North and South America | 0 | - | 4.99 | 371,931 |
| Flags to Languages | 0 | - | 4.95 | 173,394 |
| Former Flags | 0 | - | 4.97 | 107,474 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,868 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,395 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,294 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,889 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,450 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,573 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,023 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,294 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,308 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,278 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,360 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,727 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,662 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,440 |
| World Coats of Arms | 0 | - | 4.99 | 64,338 |
| Similar Flags #1 | 0 | - | 4.75 | 129,773 |
| Similar Flags #2 | 0 | - | 4.74 | 137,082 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,270 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,533 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,006 |
| Emoji Flags | 0 | - | 4.35 | 44,008 |
| Countries by Road Signs | 0 | - | 4.98 | 53,644 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,435 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,195 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,336 |
| Select the World Flags | 0 | - | 4.27 | 37,667 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,780 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,833 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,301 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,973 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,081 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,856 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,417 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,883 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,236 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,701 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,492 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,047 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,457 |
| Pixelated World Map | 0 | - | 5.00 | 143,146 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,298 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,944 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,314 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,151 |
| Boundary Waters | 0 | - | 4.92 | 88,372 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,077 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,900 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,153 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,328 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,266 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,887 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,031 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,228 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,891 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,313 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,034 |
| Geography by Picture - B | 0 | - | 4.42 | 55,559 |
| Geography by Picture - H | 0 | - | 4.50 | 58,181 |
| Geography by Picture - N | 0 | - | 4.45 | 42,171 |
| Geography by Picture - R | 0 | - | 4.56 | 40,987 |
| Geography by Picture - T | 0 | - | 4.54 | 57,804 |
| Flags of Oceania | 0 | - | 5.00 | 258,172 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,913 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,886 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,652 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,002 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,504 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,326,199 |
| Flags of WW1 | 0 | - | 4.60 | 38,287 |
| Landlocked Countries | 0 | - | 4.99 | 418,821 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,757 |
| Satellite Images #1 | 0 | - | 4.47 | 129,286 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,240 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,862 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,860 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,940 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,842 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,804 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,493 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,609 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,656 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,881 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,093 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,950 |
| Himalayan Countries | 0 | - | 4.94 | 137,378 |
| Andean Countries | 0 | - | 4.95 | 83,911 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,206 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,621 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,818 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,337 |
| Danube Countries | 0 | - | 4.97 | 71,643 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,530 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,044 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,617 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,703 |
| European Landlocked Countries | 0 | - | 4.99 | 146,761 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,112 |
| Countries with the Most Species | 0 | - | 4.99 | 102,895 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,248 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,429 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,583 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,292 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,976 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,352 |
| Countries in the Alps | 0 | - | 4.87 | 117,669 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,119 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,343 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,401 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,968 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,078 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,459 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,266 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,174 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,961 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,543 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,470 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,333 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,912 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,179 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,199 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,151 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,055 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,562 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,503 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,305 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,197 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,989 |
| Largest Countries By Category | 0 | - | 4.97 | 157,617 |
| Countries by Countries | 0 | - | 4.96 | 62,827 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,191 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,156 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| Merged Country Flags | 0 | - | 4.88 | 106,573 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,478 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,639 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,503 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,312 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,117 |
| Merged Countries #2 | 0 | - | 4.96 | 98,898 |
| Merged Countries #6 | 0 | - | 4.90 | 73,130 |
| Merged Countries #7 | 0 | - | 4.93 | 82,445 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,363 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,728 |
| Geography by Picture - A | 0 | - | 4.39 | 60,200 |
| Geography by Picture - D | 0 | - | 4.15 | 45,613 |
| Geography by Picture - F | 0 | - | 4.31 | 50,953 |
| Geography by Picture - G | 0 | - | 4.38 | 47,912 |
| Geography by Picture - J | 0 | - | 4.16 | 38,432 |
| Geography by Picture - K | 0 | - | 4.29 | 33,098 |
| Geography by Picture - C | 0 | - | 4.31 | 57,033 |
| Geography by Picture - L | 0 | - | 4.37 | 58,907 |
| Geography by Picture - M | 0 | - | 4.14 | 40,423 |
| Geography by Picture - P | 0 | - | 4.24 | 42,399 |
| Geography by Picture - S | 0 | - | 4.38 | 47,015 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,214 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,387 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,734 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,044 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,066 |
| Longest International Borders | 0 | - | 4.99 | 264,641 |
| Countries with Three Borders | 0 | - | 4.96 | 36,448 |
