| Gingerbread | None | boi | gcd | — | — |
| Exponents | None | boi | exp | — | — |
| Developer | None | boi | dev | — | — |
| Tower | None | boi | tow | — | — |
| Tour | None | boi | tou | — | — |
| BOI acronym | None | boi | boi | — | — |
| Fire | None | boi | fir | — | — |
| Tiles | None | boi | til | — | — |
| Flooding Wall | None | boi | flo | — | — |
| Jobs | None | boi | job | — | — |
| Portal | None | boi | por | — | — |
| Trains | None | boi | tra | — | — |
| Minequake | None | boi | min | — | — |
| Mineral deposits | None | boi | mne | — | — |
| Sequence | None | boi | seq | — | — |
| Astronomer | None | boi | ast | — | — |
| Staring Contest | None | boi | sta | — | — |
| Tycho | None | boi | tyc | — | — |
| Flight to the Ford (communication) | None | boi | com | — | — |
| Stranded Far From Home (island) | None | boi | isl | — | — |
| Boarding Passes (passes) | None | boi | pas | — | — |
| Art Collections (art) | None | boi | art | — | — |
| Event Hopping (events) | None | boi | eve | — | — |
| Uplifting Excursion (vault) | None | boi | vau | — | — |
| The short shank; Redemption (prison) | None | boi | pri | — | — |
| The Collection Game (swaps) | None | boi | swa | — | — |
| The Xana coup (xanadu) | None | boi | xan | — | — |
| A Difficult(y) Choice (books) | None | boi | boo | — | — |
| Inside information (servers) | None | boi | ser | — | — |
| From Hacks to Snitches (watchmen) | None | boi | wat | — | — |
| Graph | None | boi | gra | — | — |
| Village | None | boi | vil | — | — |
| Viruses | None | boi | vir | — | — |
| Colors | None | boi | col | — | — |
| Mixture | None | boi | mix | — | — |
| Joker | None | boi | jok | — | — |
| Tom’s Kitchen | None | boi | tom | — | — |
| Necklace | None | boi | nec | — | — |
| Olympiads | None | boi | oly | — | — |
| Flash memory | None | boi | fla | — | — |
| Nautilus | None | boi | nau | — | — |
| Alpine valley | None | boi | alp | — | — |
| Alternating Current | None | boi | alt | — | — |
| Genetics | None | boi | gen | — | — |
| Paths | None | boi | pat | — | — |
| Love Polygon | None | boi | lov | — | — |
| Martian DNA | None | boi | mar | — | — |
| Worm Worries | None | boi | wor | — | — |
| Cat in a tree | None | boi | cat | — | — |
| Friends | None | boi | fri | — | — |
| Plus Minus | None | boi | plu | — | — |
| Political Development | None | boi | pol | — | — |
| Railway | None | boi | rai | — | — |
| Toll | None | boi | tol | — | — |
| Cities | None | boi | cit | — | — |
| Maze | None | boi | maz | — | — |
| Swap | None | boi | swap | — | — |
| Bosses | None | boi | bos | — | — |
| Park | None | boi | par | — | — |
| Spiral | None | boi | spi | — | — |
| File Paths | None | boi | fil | — | — |
| Hacker | None | boi | hac | — | — |
| Tug of War | None | boi | tug | — | — |
| Bowling | None | boi | bow | — | — |
| Editor | None | boi | edi | — | — |
| Network | None | boi | net | — | — |
| Demarcation | None | boi | dem | — | — |
| Portals | None | boi | por | — | — |
| Senior Postmen | None | boi | sen | — | — |
| Cop and Robber | None | boi | cop | — | — |
| Three Friends | None | boi | thr | — | — |
| Sequence | None | boi | seq | — | — |
| Brunhilda’s Birthday | None | boi | bru | — | — |
| Tracks in the Snow | None | boi | tra | — | — |
| Vim | None | boi | vim | — | — |
| Ball Machine | None | boi | bal | — | — |
| Palindrome-Free Numbers | None | boi | pal | — | — |
| Pipes | None | boi | pip | — | — |
| Fireworks in RightAngleles | None | boi | fir | — | — |
| Melody | None | boi | mel | — | — |
| Tiny | None | boi | tin | — | — |
| Brackets | None | boi | bra | — | — |
| Mobile | None | boi | mob | — | — |
| Peaks | None | boi | pea | — | — |
| Meetings | None | boi | mee | — | — |
| Plagiarism | None | boi | pla | — | — |
| Polygon | None | boi | pol | — | — |
| Tree Mirroring | None | boi | tre | — | — |
| Growing Trees | None | boi | gro | — | — |
| Ice Cream | None | boi | ice | — | — |
| Switch the Lamp On | None | boi | swi | — | — |
| Treasures and Vikings | None | boi | tre | — | — |
| Matching Bins | None | boi | mat | — | — |
| Candies | None | boi | can | — | — |
| Mines | None | boi | min | — | — |
| BEARs | None | boi | bea | — | — |
| Lego | None | boi | leg | — | — |
| Printed Circuit Board | None | boi | pri | — | — |
| Rectangle | None | boi | rec | — | — |
| Triangulation | None | boi | tri | — | — |
| Monument | None | boi | mon | — | — |
| Beetle | None | boi | bee | — | — |
| Candy Machine | None | boi | can | — | — |
| Subway Signalling Error | None | boi | sub | — | — |
| Elections | None | boi | ele | — | — |
| Grid | None | boi | gri | — | — |
| Gloves | None | boi | glo | — | — |
| Game | None | boi | gam | — | — |
| Gates | None | boi | gat | — | — |
| Magical stones | None | boi | mag | — | — |
| Building a Fence | None | boi | bui | — | — |
| Connected Points | None | boi | con | — | — |
| Sequence | None | boi | seq | — | — |
| Escape | None | boi | esc | — | — |
| Ranklist Sorting | None | boi | ran | — | — |
| The Sound of Silence | None | boi | sou | — | — |
| City Planning | None | boi | cit | — | — |
| RLE Compression | None | boi | rle | — | — |
| Jump the Board! | None | boi | jum | — | — |
| Bitwise Expressions | None | boi | bit | — | — |
| Coin Collector | None | boi | coi | — | — |
| Countries | None | boi | cou | — | — |
| Ancient Manuscript | None | boi | anc | — | — |
| Bus Trip | None | boi | bus | — | — |
| Polygon | None | boi | pol | — | — |
| Camouflaged Camp | None | boi | cam | — | — |
| Magic Parenthesis | None | boi | mag | — | — |
| Maze | None | boi | maz | — | — |
| Repeats | None | boi | rep | — | — |
| Rectangles | None | boi | rec | — | — |
| Car Park | None | boi | car | — | — |
| Ships | None | boi | shi | — | — |
| Scales | None | boi | sca | — | — |
| Sequence | None | boi | seq | — | — |
| The Gangs | None | boi | gan | — | — |
| Lamps | None | boi | lam | — | — |
| Register Allocation | None | boi | reg | — | — |
| Barrel | None | boi | bar | — | — |
| Gems | None | boi | gem | — | — |
| Table | None | boi | tab | — | — |
| Bicriterial routing | None | boi | bic | — | — |
| L Game | None | boi | gam | — | — |
| Moving Robots | None | boi | mov | — | — |
| Speed Limits | None | boi | spe | — | — |
| Tennis Club | None | boi | ten | — | — |
| Triangles | None | boi | tri | — | — |
| Knights | None | boi | kni | — | — |
| Mars Maps | None | boi | mar | — | — |
| Teleports | None | boi | tel | — | — |
| Postman | None | boi | pos | — | — |
| Crack the Code | None | boi | cra | — | — |
| Box of Mirrors | None | boi | box | — | — |
| Division Expression | None | boi | div | — | — |
| Stickers | None | boi | sti | — | — |
| Mutexes | None | boi | mut | — | — |
| Honeycomb Problem | None | boi | hon | — | — |
| The Zones | None | boi | zon | — | — |
| Electronical Plate | None | boi | ele | — | — |
| Delivery | None | boi | del | — | — |
| New Fun | None | boi | new | — | — |
| The Mobile | None | boi | the | — | — |
| Expressions | None | boi | exp | — | — |
| Lazy Course Selection | None | boi | laz | — | — |
| String Matching | None | boi | str | — | — |
| Baltic Codes | None | boi | bal | — | — |
| Star | None | boi | sta | — | — |
| Floor | None | boi | flo | — | — |
| RELAY | None | boi | rel | — | — |
| Fruits | None | boi | fru | — | — |
| Championship in Basketball | None | boi | cha | — | — |
| A Bank | None | boi | ban | — | — |
| 3.5 Ancient Chronicles | None | boi | anc | — | — |
| Figures | None | boi | fig | — | — |
| The Results of a Basketball Tournament | None | boi | res | — | — |
| A Subsequence | None | boi | sub | — | — |
| A Maze with Doors | None | boi | maz | — | — |
| The Filling of Barrels | None | boi | fil | — | — |
| A Fast Journey | None | boi | fas | — | — |
| A Number Game | None | boi | num | — | — |
| A Square and a Circle | None | boi | squ | — | — |
| A Nice Sequence | None | boi | nic | — | — |
| Logical Expressions | None | boi | log | — | — |
| Rectangles | None | boi | rec | — | — |
| An Express Taxi | None | boi | exp | — | — |
| Ifthenelse | None | boi | ift | — | — |
| A Currency Table | None | boi | cur | — | — |
| An Expression | None | boi | ane | — | — |
| Double Prime Numbers | None | boi | dou | — | — |