Collections of entries submitted to BKZXs and other short (typically 60 minute) informal MZX competitions.
| Name | Author | Released | Rating | DLs |
|---|---|---|---|---|
| 2008 MZXCon BKZX - Sanity | Various | 2008-07-13 | No reviews. | 91 |
| 2009 MZXCon BKZX - Gravity | Various | 2009-07-12 | No reviews. | 94 |
| 2010 MZXCon BKZX - Rebirth and Steampunk | Various | 2010-07-10 | No reviews. | 82 |
| 2011 MZXCon BKZX - Out of Context | Various | 2011-10-02 | No reviews. | 91 |
| 2012 MZXCon BKZX - Boy Bands | Various | 2012-07-15 | No reviews. | 87 |
| 2017 MZXCon BKZX - Waiting Rooms | Various | 2017-07-29 | No reviews. | 57 |
| 2018 MZXCon BKZX - Adhesives | Various | 2018-07-14 | No reviews. | 58 |
| 2019 MZXCon BKZX - Raffles & Banned | Various | 2019-07-27 | No reviews. | 52 |
| BKZX - Allergies (2012) | Various | 2012-01-06 | No reviews. | 87 |
| BKZX - Ancient Astronauts | Various | 2012-07-25 | No reviews. | 30 |
| BKZX - Animals | Various | 2002-07-08 | No reviews. | 66 |
| BKZX - Babies / Breaking News | Various | 2004-01-06 | No reviews. | 66 |
| BKZX - Bad Games | Various | 2010-06-11 | No reviews. | 88 |
| BKZX - Bad Neighbors | Various | 2014-09-26 | No reviews. | 77 |
| BKZX - Bananas | Various | 2002-11-26 | No reviews. | 75 |
| BKZX - Bees | Various | 2019-08-19 | No reviews. | 59 |
| BKZX - Blackouts | Various | 2012-11-24 | No reviews. | 88 |
| BKZX - Breakfast | Various | 2005-03-09 | No reviews. | 31 |
| BKZX - Buddy Cops | Various | 2008-12-05 | No reviews. | 80 |
| BKZX - Bush's Baked Beans | Various | 2012-07-23 | No reviews. | 83 |
| BKZX - Buying in Bulk | Various | 2011-09-29 | No reviews. | 89 |
| BKZX - Cables | Various | 2022-02-16 | No reviews. | 29 |
| BKZX - Campaign 2004 | Various | 2004-04-22 | No reviews. | 73 |
| BKZX - Chemistry | Various | 2005-02-27 | No reviews. | 67 |
| BKZX - Cloning | Various | 2020-04-19 | No reviews. | 34 |
| BKZX - Dancing | Various | 2005-03-07 | No reviews. | 88 |
| BKZX - Dead Malls | Various | 2019-01-12 | No reviews. | 47 |
| BKZX - Debt Collection (MZX102) | Various | 2011-09-13 | No reviews. | 90 |
| BKZX - Dr. Pepper / Oldschool Games | Various | 2004-01-05 | No reviews. | 72 |
| BKZX - Easter | Various | 2004-04-11 | No reviews. | 75 |
| BKZX - Eggs | Various | 2021-03-21 | No reviews. | 78 |
| BKZX - Esdemo | Various | 2003-07-27 | No reviews. | 70 |
| BKZX - Etsy | Various | 2019-02-07 | No reviews. | 67 |
| BKZX - Eyeballs | Various | 2019-01-29 | No reviews. | 38 |
| BKZX - Facebook | Various | 2009-07-08 | No reviews. | 94 |
| BKZX - Fans | Various | 2020-12-14 | No reviews. | 47 |
| BKZX - Fishing | Various | 2021-09-18 | No reviews. | 16 |
| BKZX - Flash Mobs | Various | 2012-10-01 | No reviews. | 82 |
| BKZX - Garage Sales | Various | 2012-06-21 | No reviews. | 78 |
| BKZX - Good Graphics | Various | 2005-10-22 | No reviews. | 31 |
| BKZX - Goshi's "Drop 78" | Dr Lancer-X ◪ | 2006-12-05 | No reviews. | 84 |
| BKZX - Graveyard Shift | Various | 2008-12-15 | No reviews. | 30 |
| BKZX - Groundhog Day | Various | 2009-07-06 | No reviews. | 35 |
| BKZX - Haunted | Various | 2005-08-31 | No reviews. | 84 |
| BKZX - Historical Reenactments | Various | 2012-12-23 | No reviews. | 87 |
| BKZX - Hive Mind | Various | 2020-07-10 | No reviews. | 0 |
| BKZX - House Arrest | Various | 2018-01-23 | No reviews. | 50 |
| BKZX - Insomnia | Various | 2021-01-01 | No reviews. | 49 |
| BKZX - Killer Potatoes From Neptune | Various | 2004-04-21 | No reviews. | 25 |
| BKZX - Low Battery | Various | 2020-09-14 | No reviews. | 42 |