| Word Scramble - Countries | 0 | - | 4.86 | 2,094,953 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 262,341 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 132,332 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 186,135 |
| Geography General Knowledge #6 | 0 | - | 4.53 | 151,449 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 158,814 |
| Geography General Knowledge #8 | 0 | - | 4.45 | 149,905 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 156,388 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 109,935 |
| Geography General Knowledge #12 | 0 | - | 4.80 | 124,124 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,221 |
| Country Decoders #1 | 0 | - | 4.44 | 43,617 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,372 |
| Random Countries by Borders | 0 | - | 4.99 | 82,047 |
| Geography General Knowledge #2 | 0 | - | 4.38 | 180,167 |
| Geography General Knowledge #5 | 0 | - | 4.34 | 148,442 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 131,478 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,275 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,903 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,836 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,581 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 31,827 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,823 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,605,741 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,374 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,657 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,836 |
| Random Country to Capital | 0 | - | 4.98 | 915,430 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,235 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,469 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,255 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,885 |
| Countries with Four Letters | 0 | - | 4.99 | 420,503 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,384 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,758 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,909 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,085 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,378 |
| Country Chain | 0 | - | 4.96 | 216,484 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,914 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,870 |
| Islands by Country #1 | 0 | - | 4.87 | 174,863 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,201 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,557 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,525 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,832 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,289 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,223 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,191 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,159 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,416 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,343 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,708 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,595 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.28 | 24,640 |
| Country Decoders #2 | 0 | - | 4.12 | 26,770 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,075 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,989 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,637 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,624 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,234 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,017 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,475 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,522 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,593 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,286 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 37,892 |
| Geography Decoder | 0 | - | 4.53 | 75,490 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,501 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,513 |
| Letter A Geography Chain | 0 | - | 4.53 | 67,449 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,338 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,753 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,497 |
| The Only Country ... | 0 | - | 4.91 | 80,491 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,957 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,737 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,831 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,922 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,300 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,153 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,361 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,218 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,527 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 123,431 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,198 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,271 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,756 |
| Boundary Waters | 0 | - | 4.92 | 88,256 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,987 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,685 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,865 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,162 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,860 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 136,530 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,807 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,502 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,108 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,683 |
| Cities Chain #2 | 0 | - | 4.42 | 56,259 |
| Cities Chain #1 | 0 | - | 4.61 | 66,495 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,412 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,190,593 |
| Landlocked Countries | 0 | - | 4.99 | 416,993 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 971,950 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 94,515 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,965 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 175,744 |
| Geographic Groups of Five #1 | 0 | - | 4.47 | 120,470 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 140,819 |
| Geographic Groups of Two #2 | 0 | - | 4.67 | 114,846 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 53,055 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 83,772 |
| Geographic Groups of Four #2 | 0 | - | 4.75 | 80,423 |
| Geographic Groups of Five #2 | 0 | - | 4.73 | 63,685 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 69,549 |
| Geographic Groups of Two #4 | 0 | - | 4.45 | 78,070 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,830 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,101 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,727 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,647 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,407 |
| Four Letter Geography #2 | 0 | - | 4.39 | 63,878 |
| Three Letter Geography | 0 | - | 4.29 | 74,655 |
| Five Letter Geography #2 | 0 | - | 4.30 | 88,455 |
| Geography Analogies #5 | 0 | - | 4.22 | 55,085 |
| Seven Continents Quiz | 0 | - | 4.21 | 106,411 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,555 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,154 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,743,067 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,365 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,916 |
| Bread Alone | 0 | - | 4.48 | 27,064 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,397 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,397 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,329 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,598 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,263 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,692 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,956 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,012 |
| Island Countries | 0 | - | 4.99 | 708,958 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,089 |
| Himalayan Countries | 0 | - | 4.95 | 136,650 |
| Andean Countries | 0 | - | 4.95 | 83,560 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,816 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,102 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,481 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,076 |
| Danube Countries | 0 | - | 4.97 | 71,466 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,278 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,877 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,225 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,220 |
| European Landlocked Countries | 0 | - | 4.99 | 146,164 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,826 |
| Countries with the Most Species | 0 | - | 4.99 | 102,197 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,953 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,347 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,526 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,185 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,836 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,214 |
| Countries in the Alps | 0 | - | 4.86 | 117,386 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,931 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,979 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,279 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,777 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,867 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,288 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,027 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,016 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,839 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,379 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,382 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,221 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,758 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,026 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,032 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,785 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,919 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,452 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,279 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,203 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,666 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,849 |
| Largest Countries By Category | 0 | - | 4.97 | 157,315 |
| Countries by Countries | 0 | - | 4.96 | 62,630 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,919 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,089 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,414 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,432 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,123 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,754 |
| Northernmost Countries | 0 | - | 4.99 | 359,545 |
| Islands by Country #2 | 0 | - | 4.80 | 77,219 |
| Countries of South America | 0 | - | 5.00 | 920,164 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,652 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,895 |
| "Land" Countries | 0 | - | 4.98 | 334,785 |
