| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,882 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,171 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,593 |
| All Country Flags of the World | 0 | - | 5.00 | 3,627,157 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,234 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,794 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,553 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,189 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,363 |
| Flags with Crescents | 0 | - | 4.98 | 168,330 |
| Country Flag Trivia | 0 | - | 4.81 | 56,334 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,907 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,854 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,464 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,341 |
| Satellite Images #1 | 0 | - | 4.46 | 129,165 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,118 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,768 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,760 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,882 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,528 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,373 |
| World Coats of Arms | 0 | - | 4.99 | 64,116 |
| Flags to Languages | 0 | - | 4.95 | 172,959 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,179 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,831 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,978 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,781 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,336 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,306 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,718 |
| Geography by Picture - B | 0 | - | 4.42 | 55,493 |
| Geography by Picture - H | 0 | - | 4.50 | 58,109 |
| Geography by Picture - N | 0 | - | 4.45 | 42,105 |
| Geography by Picture - R | 0 | - | 4.56 | 40,931 |
| Geography by Picture - T | 0 | - | 4.54 | 57,743 |
| Countries by Road Signs | 0 | - | 4.98 | 53,379 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,940 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,122 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,096 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,580 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,967 |
| Geography by Picture - A | 0 | - | 4.39 | 60,124 |
| Geography by Picture - D | 0 | - | 4.15 | 45,553 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,859 |
| Geography by Picture - J | 0 | - | 4.16 | 38,378 |
| Geography by Picture - K | 0 | - | 4.29 | 33,052 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,844 |
| Geography by Picture - M | 0 | - | 4.14 | 40,379 |
| Geography by Picture - P | 0 | - | 4.24 | 42,349 |
| Geography by Picture - S | 0 | - | 4.38 | 46,963 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,540 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,249 |
| Flag Maths | 0 | - | 4.64 | 57,701 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,618 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,610 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,117 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,552 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,636 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,903 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,753 |
| Largest City by Island | 0 | - | 4.87 | 71,368 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,763 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,115 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,601 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,758 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,489 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,264 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,247 |
| African Island Countries | 0 | - | 4.96 | 101,117 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,036 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,025 |
| Pixelated World Map | 0 | - | 5.00 | 142,837 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,837 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,068 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,163 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,932 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,626 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,112 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,463 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,854 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,012 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,998 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,306 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,494 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,629 |
| Islands by Country #1 | 0 | - | 4.87 | 174,791 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,208 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,560 |
| Flags of North and South America | 0 | - | 4.99 | 369,893 |
| Emoji Flags | 0 | - | 4.35 | 43,914 |
| Former Flags | 0 | - | 4.97 | 107,129 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,535 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,761 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,077 |
| Geography by Picture - E | 0 | - | 3.55 | 47,313 |
| Landforms by Picture | 0 | - | 4.31 | 20,611 |
| Geography by Picture - I | 0 | - | 4.00 | 39,350 |
| Richest Island Countries | 0 | - | 4.84 | 99,932 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,371 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,140 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,706 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,234 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,980 |
| Flags of Oceania | 0 | - | 5.00 | 256,807 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,448 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,716 |
| Select the World Flags | 0 | - | 4.27 | 37,544 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,574 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,663 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,380 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,754 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,207 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,814 |
| Boundary Waters | 0 | - | 4.92 | 88,207 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,949 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,623 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,769 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,096 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,005 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,921 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,322 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,862 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,911 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,627 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,140,184 |
| Landlocked Countries | 0 | - | 4.99 | 416,362 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,055 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,782 |
| World Capitals Quiz | 0 | - | 5.00 | 5,048,569 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,459 |
| Geography by Picture - O | 0 | - | 4.00 | 28,078 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,241 |
| Islands by Picture | 0 | - | 4.29 | 106,340 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,350 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,311 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,250 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,502 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,590 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,323 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,183 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,698 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,554 |
| Island Countries | 0 | - | 4.99 | 708,717 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,788 |
| Himalayan Countries | 0 | - | 4.95 | 136,382 |
| Andean Countries | 0 | - | 4.95 | 83,419 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,682 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,907 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,371 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,975 |
| Danube Countries | 0 | - | 4.97 | 71,369 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,161 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,825 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,095 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,047 |
| European Landlocked Countries | 0 | - | 4.99 | 146,098 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,711 |
| Countries with the Most Species | 0 | - | 4.99 | 100,588 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,855 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,491 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,789 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,162 |
| Countries in the Alps | 0 | - | 4.86 | 117,296 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,874 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,823 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,233 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,711 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,779 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,224 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,952 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,973 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,776 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,310 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,192 |
| Asian Island Nations | 0 | - | 4.63 | 93,927 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,699 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,971 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,980 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,652 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,872 |
| Similar Flags #1 | 0 | - | 4.74 | 129,457 |
| Similar Flags #2 | 0 | - | 4.74 | 136,750 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,406 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,201 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,830 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,492 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,795 |
| Largest Countries By Category | 0 | - | 4.97 | 157,215 |
| Countries by Countries | 0 | - | 4.96 | 62,566 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,838 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,069 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,891 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,406 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,624 |