| All Country Flags of the World | 0 | - | 5.00 | 3,664,989 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,360 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,007 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,490 |
| Flags with Crescents | 0 | - | 4.98 | 169,621 |
| Country Flag Trivia | 0 | - | 4.81 | 57,060 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,796 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,528 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,458 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,284 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,833 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,843 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,069 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,547 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,356 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,437 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,109 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,258 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,604 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,580 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,511 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,556 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,664 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,439 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,115 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,539 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,728 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,131 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,399 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,458 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,789 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,995 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,092 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,920 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,477 |
| Flags of North and South America | 0 | - | 4.99 | 373,147 |
| Flags to Languages | 0 | - | 4.95 | 173,655 |
| Former Flags | 0 | - | 4.97 | 107,740 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,958 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,545 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,475 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,967 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,529 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,746 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,171 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,572 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,583 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,834 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,692 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,959 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,776 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,506 |
| World Coats of Arms | 0 | - | 4.99 | 64,532 |
| Similar Flags #1 | 0 | - | 4.75 | 130,053 |
| Similar Flags #2 | 0 | - | 4.74 | 137,332 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,598 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,781 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,472 |
| Emoji Flags | 0 | - | 4.35 | 44,101 |
| Countries by Road Signs | 0 | - | 4.98 | 53,837 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,624 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,278 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,935 |
| Select the World Flags | 0 | - | 4.27 | 37,751 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,978 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,918 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,451 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,144 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,219 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,939 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,512 |
| Countries by Picture #1 | 0 | - | 4.50 | 114,989 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,595 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,870 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,733 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,343 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,680 |
| Pixelated World Map | 0 | - | 5.00 | 143,400 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,405 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,120 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,539 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,202 |
| Boundary Waters | 0 | - | 4.92 | 88,469 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,170 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,095 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,457 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,465 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,417 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,093 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,077 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,408 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,723 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,324 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,919 |
| Geography by Picture - B | 0 | - | 4.42 | 55,613 |
| Geography by Picture - H | 0 | - | 4.50 | 58,237 |
| 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 | 259,475 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,338 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,028 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,868 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,214 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,770 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,462,223 |
| Flags of WW1 | 0 | - | 4.60 | 38,387 |
| Landlocked Countries | 0 | - | 4.99 | 420,558 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,349 |
| Satellite Images #1 | 0 | - | 4.47 | 129,386 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,318 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,926 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,938 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,995 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,022 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,823 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,610 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,838 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,954 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,185 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,024 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,719 |
| Himalayan Countries | 0 | - | 4.95 | 138,090 |
| Andean Countries | 0 | - | 4.95 | 84,270 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,491 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,337 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,122 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,567 |
| Danube Countries | 0 | - | 4.97 | 71,836 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,798 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,239 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,977 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,429 |
| European Landlocked Countries | 0 | - | 4.99 | 146,967 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,381 |
| Countries with the Most Species | 0 | - | 4.99 | 103,093 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,533 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,659 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,446 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,117 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,506 |
| Countries in the Alps | 0 | - | 4.87 | 117,963 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,505 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,717 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,455 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,307 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,833 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,471 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,341 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,078 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,705 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,072 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,349 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,368 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,547 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,691 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,823 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,191 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,674 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,112 |
| Largest Countries By Category | 0 | - | 4.97 | 157,934 |
| Countries by Countries | 0 | - | 4.97 | 63,014 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,468 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,218 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,513 |
| Merged Country Flags | 0 | - | 4.88 | 106,782 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,091 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,807 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,668 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,511 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,810 |
| Merged Countries #2 | 0 | - | 4.96 | 99,085 |
| Merged Countries #6 | 0 | - | 4.90 | 73,284 |
| Merged Countries #7 | 0 | - | 4.93 | 82,632 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,560 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,795 |
| Geography by Picture - A | 0 | - | 4.39 | 60,265 |
| 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 | 47,955 |
| Geography by Picture - J | 0 | - | 4.16 | 38,471 |
| 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 | 42,443 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,358 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,443 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,838 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,600 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,190 |
| Longest International Borders | 0 | - | 4.99 | 264,951 |
| Countries with Three Borders | 0 | - | 4.96 | 36,534 |
