| Date | Grid | Clue | Author |
|---|---|---|---|
| Monday, February 18, 2013 | 2D | Plumb crazy (8) | Jeffrey Harris |
| Tuesday, September 11, 2012 | 14A | Off one's rocker (3) | Kenneth Leeser |
| Thursday, August 11, 2011 | 31A | Totally baked | Parker Lewis |
| Friday, May 27, 2011 | 26D | Gonzo | Ashton Anderson |
| Monday, April 25, 2011 | 41A | Stark raving mad | Joon Pahk |
| Saturday, April 2, 2011 | 47A | Way off | Mark Diehl |
| Tuesday, March 29, 2011 | 59A | Mad | Peter A. Collins |
| Thursday, December 25, 2008 | 24A | Nuts (3) | Eric Tentarelli |
| Monday, September 15, 2008 | 14A | Daffy | Sharon E. Petersen |
| Saturday, August 23, 2008 | 51A | Bats (6) | Natan Last |
| Wednesday, August 13, 2008 | 7D | Plumb crazy (8) | Victor Fleming |
| Tuesday, April 8, 2008 | 52A | Bonkers (3) | Dave Mackey |
| Monday, January 8, 2007 | 41A | Plain crazy | Harriet Clifton |
| Tuesday, September 5, 2006 | 57D | Bats (6) | Timothy Powell |
| Monday, April 10, 2006 | 8D | Bonkers (3) | Gary J. Whitehead |
| Thursday, December 8, 2005 | 11D | Bonkers (3) | David Pringle |
| Saturday, October 1, 2005 | 55A | More than a little off | Joe DiPietro |
| Thursday, July 14, 2005 | 1A | Bats (6) | Kevan Choset |
| Monday, June 14, 2004 | 59A | Plumb crazy (8) | Craig Kasper |
| Friday, June 4, 2004 | 22A | Bats (6) | Sherry O. Blackard |
| Sunday, April 4, 2004 | 78A | Daft | Manny Nosowsky |
| Tuesday, March 16, 2004 | 5D | Lead-in to motion | Ron Sweet |
| Thursday, January 22, 2004 | 5D | Bananas (2) | Roy Leban |
| Monday, December 22, 2003 | 16A | Plumb crazy (8) | Joy C. Frank |
| Tuesday, December 9, 2003 | 10D | Plumb crazy (8) | Alan Arbesfeld |
| Thursday, July 24, 2003 | 6D | Nuts (3) | Rich Norris |
| Tuesday, June 24, 2003 | 63A | Cockeyed (2) | Norma Johnson and Nancy Salomon |
| Saturday, June 21, 2003 | 52D | Crackers (3) | Dana Motley |
| Tuesday, January 1, 2002 | 30D | Wacky (2) | Manny Nosowsky |
| Monday, August 27, 2001 | 2D | In ___ parentis (legal doctrine) | Holden Baker |
| Wednesday, August 8, 2001 | 1A | Out of one's gourd | Sam Bellotto Jr. |
| Sunday, April 29, 2001 | 22A | Crackers (3) | Elizabeth C. Gorski |
| Monday, January 22, 2001 | 59D | Plumb crazy (8) | Nancy Kavanaugh |
| Wednesday, January 10, 2001 | 59D | Nuts (3) | Richard Silvestri |
| Thursday, December 14, 2000 | 16A | Cracked | Peter Gordon |
| Monday, September 18, 2000 | 52A | Tetched in the head | Sherry O. Blackard and Lyell Rodieck |
| Monday, January 31, 2000 | 37D | Nutso | Peter Gordon |
| Monday, March 29, 1999 | 35D | Kooky (2) | Bill Ballard |
| Sunday, February 7, 1999 | 12D | Unglued | Nancy Nicholson Joline |
| Saturday, January 30, 1999 | 43A | Bananas (2) | Chuck Deodene |
| Wednesday, November 11, 1998 | 32D | Crazy in CancĂșn | Elizabeth C. Gorski |
| Sunday, July 19, 1998 | 84D | Off one's rocker (3) | Nancy Salomon |
| Sunday, March 1, 1998 | 77D | Bats (6) | Cathy Millhauser |
| Saturday, December 20, 1997 | 57A | Crackers (3) | Rich Norris |
| Thursday, November 6, 1997 | 18A | Off one's rocker (3) | Nancy Salomon |
| Tuesday, September 30, 1997 | 1D | Nuts or crackers | Nancy Schuster |
| Thursday, July 24, 1997 | 3D | Wacky (2) | Randall J. Hartman |
| Monday, April 28, 1997 | 4D | Kooky (2) | Peter Gordon |
| Saturday, April 19, 1997 | 56D | Over the edge, so to speak | Rich Norris |
| Thursday, October 3, 1996 | 52A | Buggy | J. R. Leeds |
| Thursday, June 13, 1996 | 14A | As written, in music | D. J. Kahn |
| Wednesday, April 24, 1996 | 16A | Unhinged | G. Dean |
| Thursday, April 4, 1996 | 16A | Cockeyed (2) | M. Diehl |
| Monday, August 14, 1995 | 2D | Plumb crazy (8) | Ben Wheelock |
| Wednesday, July 26, 1995 | 48A | In ____ parentis (2) | Christopher Hurt |
| Monday, June 26, 1995 | 50D | Plumb crazy (8) | Sidney L. Robbins |
| Tuesday, February 7, 1995 | 32D | Batty | Matt Gaffney |
| Wednesday, January 25, 1995 | 6D | In _____ parentis (2) | Norma Steinberg |
| Wednesday, August 10, 1994 | 34D | Bats (6) | Ernie Furtado |
3 results for LOCO from Variety puzzles.
| Date | Type | Grid | Clue | Author |
|---|---|---|---|---|
| February 15, 2004 | diagramless | 17A | Plumb crazy | Fred Piscop |
| August 5, 2001 | diagramless | 41A | Bonkers | Frank Longo |
| October 19, 1997 | diagramless | 12D | Bughouse | Fred Piscop |
24 results for LOCO from older pre-Shortz puzzles.
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Thursday, April 15, 1993 | 13A | Daft | Betty Jorgensen | Maleska |
| Friday, March 26, 1993 | 21D | Bananas | Joel D. Lafargue | Maleska |
| Friday, November 6, 1992 | 1D | Batty | Manny Nosowsky | Maleska |
| Wednesday, March 25, 1992 | 15A | Bonkers | Stanley Glass | Maleska |
| Thursday, December 19, 1991 | 2D | Off one's rocker | Eli Wesoff | Maleska |
| Sunday, November 3, 1991 | 36A | Like a crazy hombre | Maura B. Jacobson | Maleska |
| Tuesday, July 9, 1991 | 16A | Motive leader | Jeff Herrington | Maleska |
| Sunday, May 26, 1991 | 21A | ___ citato | Alfio Micci | Maleska |
| Saturday, December 22, 1990 | 28D | Plumb crazy | Joel D. Lafargue | Maleska |
| Monday, July 9, 1990 | 55D | Off one's rocker | Eugene T. Maleska | Maleska |
| Sunday, April 22, 1990 | 104D | Like a crazy hombre | Maura B. Jacobson | Maleska |
| Sunday, March 11, 1990 | 68A | Bonkers | Robert H. Wolfe | Maleska |
| Tuesday, November 1, 1988 | 2D | Crazy | Albert J. Klaus | Maleska |
| Friday, October 28, 1988 | 14A | Bonkers | S. E. Wilkinson | Maleska |
| Wednesday, October 5, 1988 | 36A | Bonkers | Nancy Joline | Maleska |
| Monday, August 1, 1988 | 26D | Pixilated | Sidney L. Robbins | Maleska |
| Monday, March 28, 1988 | 17A | Off one's rocker | Nancy McCarthy | Maleska |
| Sunday, January 17, 1988 | 53A | Loony | Warren W. Reich | Maleska |
| Tuesday, November 17, 1987 | 59D | Off one's rocker | Evelyn Benshoof | Maleska |
| Thursday, May 28, 1987 | 55D | Crazy | Whitten | Maleska |
| Friday, July 18, 1986 | 25D | Having bats in the belfry | Jones | Maleska |
| Sunday, October 27, 1985 | 51A | Bonkers | William Lutwiniak | Maleska |
| Thursday, May 2, 1985 | 1A | Off one's trolley | Lois Sidway | Maleska |
| Tuesday, April 17, 1984 | 12D | Frenzied | Burns | Maleska |