| All Country Flags of the World | 0 | - | 5.00 | 3,663,091 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,775 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,657 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,931 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,605 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,077 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,861 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,396 |
| Flags with Crescents | 0 | - | 4.98 | 169,552 |
| Country Flag Trivia | 0 | - | 4.81 | 57,023 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,754 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,504 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,423 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,802 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,917 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,931 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,989 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,763 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,498 |
| World Coats of Arms | 0 | - | 4.99 | 64,502 |
| Flags to Languages | 0 | - | 4.95 | 173,632 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,430 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,127 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,202 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,928 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,502 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,420 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,733 |
| Geography by Picture - B | 0 | - | 4.42 | 55,601 |
| Geography by Picture - H | 0 | - | 4.50 | 58,225 |
| Geography by Picture - N | 0 | - | 4.45 | 42,202 |
| Geography by Picture - R | 0 | - | 4.56 | 41,022 |
| Geography by Picture - T | 0 | - | 4.54 | 57,840 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,398 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,810 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,014 |
| Countries by Road Signs | 0 | - | 4.98 | 53,811 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,265 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,072 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,074 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,551 |
| Geography by Picture - A | 0 | - | 4.39 | 60,254 |
| Geography by Picture - D | 0 | - | 4.15 | 45,658 |
| Geography by Picture - F | 0 | - | 4.31 | 51,005 |
| Geography by Picture - G | 0 | - | 4.38 | 47,948 |
| Geography by Picture - J | 0 | - | 4.16 | 38,465 |
| Geography by Picture - K | 0 | - | 4.29 | 33,126 |
| Geography by Picture - C | 0 | - | 4.31 | 57,072 |
| Geography by Picture - L | 0 | - | 4.37 | 58,963 |
| Geography by Picture - M | 0 | - | 4.14 | 40,460 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,039 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,432 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,000 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,965 |
| Countries by Picture #1 | 0 | - | 4.53 | 112,999 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,428 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,853 |
| Emoji Flags | 0 | - | 4.35 | 44,089 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,505 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,887 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,410 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,771 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,005 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,470 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,300 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,381 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,057 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,191 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,568 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,548 |
| Pixelated World Map | 0 | - | 5.00 | 143,382 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,478 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,530 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,642 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,412 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,088 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,519 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,718 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,113 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,372 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,439 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,762 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,972 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,068 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,892 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,467 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,170 |
| Flags of North and South America | 0 | - | 4.99 | 373,030 |
| Former Flags | 0 | - | 4.97 | 107,722 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,169 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,962 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,944 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,460 |
| Geography by Picture - E | 0 | - | 3.55 | 47,383 |
| Landforms by Picture | 0 | - | 4.31 | 20,677 |
| Geography by Picture - I | 0 | - | 4.00 | 39,432 |
| Geography by Picture - O | 0 | - | 4.01 | 28,140 |
| Boundary Waters | 0 | - | 4.92 | 88,457 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,071 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,429 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,457 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,401 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,239 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,499 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,173 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,790 |
| Flags of Oceania | 0 | - | 5.00 | 259,063 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,288 |
| Select the World Flags | 0 | - | 4.27 | 37,745 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,924 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,851 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,187 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,747 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,957 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,446,244 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,913 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,845 |
| Landlocked Countries | 0 | - | 4.99 | 420,318 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,738 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,263 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,730 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,153 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,542 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,696 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,590 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,820 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,937 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,164 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,698 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,633 |
| Himalayan Countries | 0 | - | 4.95 | 138,032 |
| Andean Countries | 0 | - | 4.95 | 84,231 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,454 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,265 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,094 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,534 |
| Danube Countries | 0 | - | 4.97 | 71,811 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,754 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,200 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,935 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,363 |
| European Landlocked Countries | 0 | - | 4.99 | 146,947 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,345 |
| Countries with the Most Species | 0 | - | 4.99 | 103,073 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,508 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,493 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,651 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,431 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,496 |
| Countries in the Alps | 0 | - | 4.87 | 117,940 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,050 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,663 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,538 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,434 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,281 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,454 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,323 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,065 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,689 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,559 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,414 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,054 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,337 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,348 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,490 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,163 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,673 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,785 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,087 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,623 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,093 |
| Largest Countries By Category | 0 | - | 4.97 | 157,899 |
| Countries by Countries | 0 | - | 4.97 | 62,996 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,440 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,212 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,504 |
| Merged Country Flags | 0 | - | 4.88 | 106,760 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,027 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,790 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,491 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,538 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,551 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,791 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,345 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,438 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,821 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,548 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,173 |
| Longest International Borders | 0 | - | 4.99 | 264,917 |
| Countries with Three Borders | 0 | - | 4.96 | 36,522 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,007 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,120 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,038 |
| Demonym of Every Country | 0 | - | 4.91 | 59,933 |
