Some puzzles use circles to identify special boxes in the grid. Here's the complete list. Note that in a very few cases, I have added
cirlces to puzzles that didn't have them in the original publication to point out theme clues. These are noted in each puzzle.
2.0% of all the puzzles in the database (117 total) have circles.
Here's the list from most recent to oldest:
| Date | Count | Author | Title |
| Tuesday, October 27, 2009 | 16 | Chuck Deodene | |
| Tuesday, October 20, 2009 | 20 | Gary Cee | |
| Wednesday, October 07, 2009 | 20 | Tim Wescott | |
| Wednesday, September 30, 2009 | 9 | Kevin G. Der | |
| Wednesday, September 02, 2009 | 8 | Jim Hyres | |
| Thursday, August 27, 2009 | 28 | Derek Bowman | |
| Wednesday, August 19, 2009 | 18 | Peter A. Collins | |
| Wednesday, July 29, 2009 | 26 | Tim Wescott | |
| Sunday, June 28, 2009 | 49 | Barry C. Silk | SECRET INGREDIENTS |
| Wednesday, June 17, 2009 | 36 | Peter A. Collins and Joe Krozel | |
| Thursday, June 11, 2009 | 12 | Alex Boisvert | |
| Sunday, June 07, 2009 | 7 | Jeremy Newton | SHIFTY BUSINESS |
| Thursday, June 04, 2009 | 28 | Peter A. Collins and Joe Krozel | |
| Monday, May 25, 2009 | 9 | Peter A. Collins | |
| Sunday, May 24, 2009 | 16 | Elizabeth C. Gorski | PERPETUAL MOTION |
| Sunday, May 03, 2009 | 44 | Caleb Madison | A STATELY GARDEN |
| Wednesday, April 22, 2009 | 9 | Daniel A. Finan | |
| Tuesday, April 14, 2009 | 21 | Barry Boone | |
| Sunday, April 12, 2009 | 40 | Eric Berlin | FITTING WORDS |
| Tuesday, January 20, 2009 | 8 | Tim Wescott | |
| Tuesday, January 13, 2009 | 16 | Daniel Kantor and Jay Kaskel | |
| Sunday, January 11, 2009 | 28 | David J. Kahn | MAKING HISTORY |
| Wednesday, December 31, 2008 | 16 | Tim Wescott | |
| Sunday, December 28, 2008 | 160 | Patrick Berry | GOING AROUND IN CIRCLES |
| Wednesday, December 17, 2008 | 5 | John Farmer | |
| Wednesday, December 10, 2008 | 36 | Joe Krozel | |
| Thursday, November 27, 2008 | 34 | Patrick Berry | |
| Sunday, November 23, 2008 | 18 | David J. Kahn | PICTURE THIS |
| Thursday, November 13, 2008 | 3 | Allan E. Parrish | |
| Thursday, November 06, 2008 | 13 | Jeremy Newton | |
| Tuesday, October 14, 2008 | 30 | Lucy Gardner Anderson | |
| Wednesday, October 08, 2008 | 16 | Peter A. Collins | |
| Monday, October 06, 2008 | 12 | Patrick Blindauer | |
| Wednesday, October 01, 2008 | 12 | Barry Boone | |
| Monday, September 22, 2008 | 21 | Peter A. Collins | |
| Thursday, September 18, 2008 | 15 | Mike Nothnagel | |
| Thursday, September 11, 2008 | 5 | Caleb Madison | |
| Wednesday, September 10, 2008 | 22 | Lucas Gaviotis Whitestone | |
| Thursday, August 14, 2008 | 5 | Damon J. Gulczynski | |
| Sunday, August 10, 2008 | 34 | Will Nediger | INSIDE JOKES |
| Wednesday, July 30, 2008 | 11 | Elizabeth A. Long | |
| Wednesday, July 23, 2008 | 57 | Henry Quillen | |
| Sunday, July 20, 2008 | 34 | Barry C. Silk | ACROSS THE BOARD |
| Monday, July 07, 2008 | 20 | Bob Klahn | |
| Monday, June 30, 2008 | 15 | Lynn Lempel | |
| Sunday, May 25, 2008 | 7 | Elizabeth C. Gorski | SPY GLASS |
| Tuesday, May 06, 2008 | 12 | Gary J. Whitehead | |
| Sunday, April 20, 2008 | 47 | John Farmer | SPACED OUT |
| Sunday, March 30, 2008 | 59 | Paula Gamache | MIXED FEELINGS |
| Sunday, March 09, 2008 | 10 | Patrick Berry | SPLITS AND MERGERS |
| Sunday, March 02, 2008 | 13 | Patrick Blindauer and Tony Orbach | FORWARD THINKING |
| Sunday, February 24, 2008 | 37 | Nancy Nicholson Joline | WINNERS' CIRCLES |
| Thursday, February 21, 2008 | 24 | Peter A. Collins | |
| Thursday, January 31, 2008 | 31 | Paula Gamache | |
| Sunday, January 20, 2008 | 12 | Natan Last | TRIANGULATION |
| Wednesday, January 09, 2008 | 21 | John Farmer | |
| Sunday, December 30, 2007 | 16 | Elizabeth C. Gorski | WINTER FIGURE |
| Monday, October 22, 2007 | 10 | Lynn Lempel | |
| Monday, September 10, 2007 | 16 | Edward M Sessa | |
| Sunday, August 26, 2007 | 38 | Andrew M. Greene and Craig Kasper | GETTING AHEAD |
| Thursday, July 19, 2007 | 5 | David J. Kahn | |
| Monday, July 09, 2007 | 24 | Peter A. Collins | |
| Monday, July 02, 2007 | 19 | Peter A. Collins | |
| Sunday, July 01, 2007 | 28 | Nancy Salomon and Bill Zais | DIAMOND JUBILEE |
| Sunday, June 24, 2007 | 33 | Eric Berlin | NO APPOINTMENT NECESSARY |
| Wednesday, June 20, 2007 | 20 | Bonnie L. Gentry and Victor Fleming | |
| Wednesday, May 16, 2007 | 9 | Patrick Blindauer | |
| Tuesday, May 01, 2007 | 33 | Courtenay Crocker and Nancy Salomon | |
| Wednesday, April 25, 2007 | 26 | John Farmer | |
| Monday, February 26, 2007 | 18 | Peter A. Collins | |
| Sunday, January 07, 2007 | 31 | Ashish Vengsarkar | SPELLCHECK |
| Sunday, November 12, 2006 | 44 | Patrick Berry | LOOK INSIDE |
| Tuesday, September 12, 2006 | 30 | James R. Leeds | |
| Friday, August 18, 2006 | 12 | Joe DiPietro | |
| Thursday, July 13, 2006 | 5 | Manny Nosowsky | |
| Sunday, June 25, 2006 | 40 | Jim Page | KEEPING COMPANY |
| Sunday, May 14, 2006 | 6 | Patrick Berry | TRAVELING IN CIRCLES |
| Sunday, January 22, 2006 | 21 | George Barany and Michael Shteyman | THE SOUND OF MUSIC |
| Thursday, November 24, 2005 | 4 | Michael Shteyman | |
| Thursday, November 03, 2005 | 29 | Byron Walden | |
| Sunday, July 17, 2005 | 16 | David J. Kahn | CELEBRATION |
| Thursday, May 26, 2005 | 9 | David J. Kahn | |
| Sunday, January 30, 2005 | 104 | Derrick Niederman | SMOOTH MOVE |
| Thursday, December 30, 2004 | 3 | Kyle Mahowald | |
| Sunday, December 05, 2004 | 23 | David J. Kahn | FROM THE PRESIDENTIAL RECORD BOOKS |
| Monday, October 18, 2004 | 17 | Steve Kahn | |
| Wednesday, October 13, 2004 | 11 | Patrick Merrell | |
| Thursday, September 02, 2004 | 8 | David J. Kahn | |
| Wednesday, May 12, 2004 | 4 | Allan E. Parrish | |
| Tuesday, May 04, 2004 | 15 | Eric Berlin | |
| Sunday, May 02, 2004 | 57 | Derrick Niederman | SELF-DEFINING |
| Sunday, April 11, 2004 | 16 | Patrick Merrell | WE'RE #2! |
| Thursday, March 04, 2004 | 1 | Patrick Merrell | |
| Tuesday, January 20, 2004 | 24 | Eric Berlin | |
| Sunday, December 14, 2003 | 26 | Elizabeth C. Gorski | BRANCHING OUT |
| Thursday, May 08, 2003 | 11 | Elizabeth C. Gorski | |
| Monday, April 28, 2003 | 8 | Jim Hyres | |
| Wednesday, March 05, 2003 | 9 | Tyler Hinman | |
| Sunday, January 12, 2003 | 61 | Patrick Berry | HALF AND HALF |
| Thursday, December 26, 2002 | 7 | Cathy Millhauser | |
| Sunday, October 13, 2002 | 38 | Elizabeth C. Gorski | DOWNWARD SPIRAL |
| Monday, April 16, 2001 | 12 | Peter Gordon | |
| Sunday, January 28, 2001 | 34 | Jim Page | NATURE CALLS |
| Sunday, December 31, 2000 | 11 | Elizabeth C. Gorski | MAKING A FACE |
| Sunday, December 24, 2000 | 28 | Bill Zais | CHRISTMAS PLAY |
| Tuesday, October 31, 2000 | 13 | Bill Zais | |
| Sunday, September 03, 2000 | 5 | David J. Kahn | WHO WANTS TO BE A QUIZ SHOW CONTESTANT? |
| Wednesday, July 26, 2000 | 21 | William I. Johnston | |
| Sunday, February 13, 2000 | 26 | Bill Zais | GROOVY KIND OF LOVE |
| Wednesday, September 15, 1999 | 10 | Thomas W. Schier | |
| Wednesday, February 03, 1999 | 17 | Glenn E. Sykes | |
| Sunday, November 01, 1998 | 60 | Robert Malinow | "Insiders" |
| Sunday, March 29, 1998 | 13 | Robert H. Wolfe | "Two By Thirteen" |
| Sunday, May 11, 1997 | 42 | Nancy Nicholson Joline | "Infested!" |
| Tuesday, April 01, 1997 | 3 | Patrick Jordan | |
| Wednesday, September 28, 1994 | 16 | Robert Zimmerman | |
| Sunday, April 03, 1994 | 12 | Ernie Furtado | Mystery Theme |