| All Country Flags of the World | 0 | - | 5.00 | 3,654,429 |
| Countries by Road Signs | 0 | - | 4.98 | 53,704 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,502 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,230 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,592 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,098 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,905 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.86 | 16,144 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,545 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,867 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 91,156 |
| Flags with Crescents | 0 | - | 4.98 | 169,274 |
| Country Flag Trivia | 0 | - | 4.81 | 56,894 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,563 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,333 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,188 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,691 |
| Boundary Waters | 0 | - | 4.92 | 88,406 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,111 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,978 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,273 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,388 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,314 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,414 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,403 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,761 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,436 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,693 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,194 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,112 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,115 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,811 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,914 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,398 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,372 |
| Pixelated World Map | 0 | - | 5.00 | 143,243 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,293 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,396 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,503 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,267 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,972 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,414 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,661 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,043 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,326 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,635 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,856 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,950 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,758 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,698 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,464 |
| World Coats of Arms | 0 | - | 4.99 | 64,397 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,388 |
| Flags to Languages | 0 | - | 4.95 | 173,498 |
| Former Flags | 0 | - | 4.97 | 107,581 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,892 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,358 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,640 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,419 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,045 |
| Flags of North and South America | 0 | - | 4.99 | 372,416 |
| Geography by Picture - B | 0 | - | 4.42 | 55,580 |
| Geography by Picture - H | 0 | - | 4.50 | 58,201 |
| Geography by Picture - N | 0 | - | 4.45 | 42,183 |
| Geography by Picture - R | 0 | - | 4.56 | 41,005 |
| Geography by Picture - T | 0 | - | 4.54 | 57,818 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,916 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,374,291 |
| Landlocked Countries | 0 | - | 4.99 | 419,477 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 569,425 |
| Flags of Oceania | 0 | - | 5.00 | 258,540 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,077 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,744 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,076 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,611 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,529 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,703 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,772 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,000 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,939 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,213 |
| Himalayan Countries | 0 | - | 4.95 | 137,655 |
| Andean Countries | 0 | - | 4.95 | 84,055 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,300 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,802 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,920 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,418 |
| Danube Countries | 0 | - | 4.97 | 71,722 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,745 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,820 |
| European Landlocked Countries | 0 | - | 4.99 | 146,834 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,205 |
| Countries with the Most Species | 0 | - | 4.99 | 102,980 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,358 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,442 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,609 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,346 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,021 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,414 |
| Countries in the Alps | 0 | - | 4.87 | 117,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,056 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,162 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,756 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,347 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,241 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,003 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,599 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,513 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,362 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,970 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,255 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,289 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,096 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,599 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,622 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,614 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,363 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,026 |
| Largest Countries By Category | 0 | - | 4.97 | 157,742 |
| Countries by Countries | 0 | - | 4.96 | 62,894 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,284 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,480 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,715 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,694 |
| Countries by Highest Mountain | 0 | - | 4.51 | 19,965 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,163 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,383 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,586 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,210 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,634 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,072 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,437 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,764 |
| Geography by Picture - A | 0 | - | 4.39 | 60,221 |
| Geography by Picture - D | 0 | - | 4.15 | 45,639 |
| Geography by Picture - F | 0 | - | 4.31 | 50,976 |
| Geography by Picture - G | 0 | - | 4.38 | 47,929 |
| Geography by Picture - J | 0 | - | 4.16 | 38,450 |
| Geography by Picture - K | 0 | - | 4.29 | 33,113 |
| Geography by Picture - C | 0 | - | 4.31 | 57,050 |
| Geography by Picture - L | 0 | - | 4.37 | 58,928 |
| Geography by Picture - M | 0 | - | 4.14 | 40,440 |
| Geography by Picture - P | 0 | - | 4.24 | 42,415 |
| Geography by Picture - S | 0 | - | 4.38 | 47,028 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,160 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,387 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,402 |
| Flag Maths | 0 | - | 4.64 | 57,752 |
| Satellite Images #1 | 0 | - | 4.47 | 129,322 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,265 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,879 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,884 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,955 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,910 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,275 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,401 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,767 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,242 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,106 |
| Longest International Borders | 0 | - | 4.99 | 264,751 |
| Countries with Three Borders | 0 | - | 4.96 | 36,475 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,943 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,056 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,015 |
| Demonym of Every Country | 0 | - | 4.91 | 59,203 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,328 |
| Islands by Picture | 0 | - | 4.29 | 106,814 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,666 |
| Empires by Maps | 0 | - | 4.98 | 120,171 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,292 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,694 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,367 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,462 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,043 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,749 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,401 |
| Island Countries | 0 | - | 4.99 | 709,992 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,338 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,025 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 67,125 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,884 |
| Similar Flags #1 | 0 | - | 4.75 | 129,884 |
| Similar Flags #2 | 0 | - | 4.74 | 137,176 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,443 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,647 |
| Northernmost Countries | 0 | - | 4.99 | 360,734 |
| Mountains by Country | 0 | - | 4.56 | 81,746 |
| Countries of South America | 0 | - | 5.00 | 923,686 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,104 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,277 |
| "Land" Countries | 0 | - | 4.98 | 335,923 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,348 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,337 |