| Elements - Sudden Death | 0 | - | 4.91 | 125,949 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,220,476 |
| Elements by Symbol | 0 | - | 4.92 | 195,516 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,630 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,448 |
| Noble Gases | 0 | - | 4.89 | 77,449 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 64,047 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,914 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,873 |
| Elemental Words | 0 | - | 4.96 | 51,986 |
| Metals of Antiquity | 0 | - | 4.94 | 92,908 |
| Random Symbol to Element | 0 | - | 4.88 | 92,216 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,904 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,293 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,196 |
| International Scientific Units | 0 | - | 4.95 | 155,344 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,225 |
| Click the Chemical Element | 0 | - | 4.96 | 79,274 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,010 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,709 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,826 |
| Elements by Picture | 0 | - | 4.28 | 69,549 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,192 |
| Name a Valid Element | 0 | - | 4.64 | 69,572 |
| Name the Virus | 0 | - | 4.86 | 76,252 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,832 |
| Famous Scientists | 0 | - | 4.57 | 42,451 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,088 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,185 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 329,715 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,295 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,588 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,701 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 116,533 |
| True or False - Sudden Death | 0 | - | 4.93 | 148,108 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 243,475 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 114,374 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 158,128 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,305 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,234 |
| Scientific Names | 0 | - | 4.32 | 78,163 |
| Famous Effects | 0 | - | 4.62 | 12,106 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,042 |
| Astronomy Quiz | 0 | - | 4.89 | 81,700 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,753 |
| Solar System Trivia | 0 | - | 4.93 | 46,033 |
| Body Part Cliches | 0 | - | 4.43 | 123,053 |
| Bones of the Human Body | 0 | - | 4.56 | 36,747 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,114 |
| Click the Planet | 0 | - | 4.96 | 90,235 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 268,538 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 159,043 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 83,025 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,064 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 40,070 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,097 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,405 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,457 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,628 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,195 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,258 |
| Word Chain - Science | 0 | - | 4.59 | 54,395 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,355 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,340 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 34,377 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,716 |
| Environmental Issues | 0 | - | 4.54 | 26,720 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.80 | 104,785 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 96,698 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 75,461 |
| Equatorial Countries - Sudden Death | 0 | - | 4.74 | 58,241 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 50,421 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,643 |
| The Sun Quiz | 0 | - | 4.93 | 34,109 |
| First Names of Scientists | 0 | - | 4.50 | 56,458 |
| Groups of Two - Science | 0 | - | 4.26 | 48,143 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,383 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,658 |
| Science Decoder | 0 | - | 4.52 | 28,650 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,157 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,095 |
| Science True or False | 0 | - | 4.35 | 39,978 |
| Medical Acronyms | 0 | - | 4.43 | 96,175 |
| Medical Vocabulary | 0 | - | 4.54 | 58,530 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.46 | 53,125 |
| Real People - Sudden Death #1 | 0 | - | 4.12 | 104,579 |
| Birds - Sudden Death | 0 | - | 4.53 | 66,736 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.59 | 62,417 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 123,859 |
| Birthstones by Month | 0 | - | 4.41 | 80,482 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,382 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,314 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,729 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,185 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,149 |
| Body Part Words | 0 | - | 4.43 | 145,223 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,664 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,802 |
| Three Letter Body Parts | 0 | - | 4.40 | 204,912 |
| Human Body A-Z | 0 | - | 4.51 | 128,394 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,727 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,404 |
| Medical Specialties | 0 | - | 4.29 | 90,898 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,510 |
| Christmas Songs - Sudden Death | 0 | - | 4.24 | 48,965 |
| The Pluto Quiz | 0 | - | 4.60 | 9,777 |
| Citrus Fruits | 0 | - | 3.65 | 41,949 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,202 |
| Astronomy Decoder | 0 | - | 4.50 | 37,845 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,386 |
| The Mars Quiz | 0 | - | 4.55 | 18,575 |
| The Saturn Quiz | 0 | - | 4.54 | 11,500 |
| The Diseases They Had | 0 | - | 4.15 | 13,887 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,657 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,634 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,570 |
| Name the Constellations | 0 | - | 4.58 | 44,657 |
| Astronomy True or False | 0 | - | 4.38 | 36,266 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,562 |
| Most Common Body Part Words | 0 | - | 3.91 | 31,528 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,082 |
| The Venus Quiz | 0 | - | 4.21 | 6,887 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,027 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,044 |
| Elements Named for Countries | 0 | - | 4.52 | 24,390 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,981 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,353 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,307 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,866 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,762 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,538 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,104 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,232 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,459 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,782 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,680 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,089 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,363 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,631 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,428 |
| Least-Forested Countries | 0 | - | 4.53 | 64,898 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,182 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,188 |
| Most Forested European Countries | 0 | - | 4.80 | 74,908 |
| Least Forested European Countries | 0 | - | 4.25 | 53,783 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,420 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,673 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,313 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,706 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,439 |
| Countries with Glaciers | 0 | - | 4.97 | 104,659 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,065 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 68,180 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 42,721 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.80 | 44,921 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 29,534 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.91 | 36,257 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 45,472 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.64 | 21,472 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 35,247 |
| 1980s Movies - Sudden Death | 0 | - | 4.61 | 23,288 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.41 | 21,001 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 37,320 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 372,928 |
| Every American Flag - Sudden Death | 0 | - | 4.88 | 66,788 |
| Every African Flag - Sudden Death | 0 | - | 4.97 | 70,400 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 144,552 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 145,185 |
| Modern Rappers - Sudden Death | 0 | - | 4.31 | 120,248 |
| U.S. Presidents - Sudden Death | 0 | - | 4.78 | 169,299 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 41,323 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.51 | 95,607 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.67 | 88,826 |
| 13 American Colonies - Sudden Death | 0 | - | 4.90 | 41,943 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.70 | 181,686 |
| British Bands - Sudden Death | 0 | - | 4.60 | 93,039 |
| European Capitals - Sudden Death | 0 | - | 4.93 | 206,967 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 52,944 |
| ABBA Songs - Sudden Death | 0 | - | 4.64 | 43,338 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.85 | 186,193 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 142,902 |
| Blue States - Sudden Death | 0 | - | 4.97 | 85,657 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.78 | 127,224 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 141,481 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.85 | 58,190 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 117,381 |
| American Singers – Sudden Death | 0 | - | 4.50 | 78,918 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.93 | 130,025 |
| American Bands - Sudden Death | 0 | - | 4.50 | 69,493 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 92,878 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 68,587 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 94,688 |
| Indo-European Languages - Sudden Death | 0 | - | 4.68 | 31,052 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.25 | 69,494 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 144,489 |
| K-Pop Groups - Sudden Death | 0 | - | 4.26 | 42,964 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.55 | 52,719 |
| NBA Cities - Sudden Death | 0 | - | 4.75 | 57,893 |
| Imperial Japan or Die! - Sudden Death | 0 | - | 4.69 | 45,927 |
