Oh boy, you want details. I think I put the base cards in order of appearance.
2007-10-19GoldenGrammys
2007-10-20LarvaSoap
2008-06-21SalivaTea
2010-05-22Blitz
2010-08-24StickyPButter
2010-11-30Chirpotle
2012-04-05BennysDrill
2012-04-30CoarseLight
2012-10-16MurkyWay
2012-10-17WartCraft
2012-10-18AliveSavers
2013-04-30MrPepper
2013-05-01TacoBelt
2013-05-04SouthPork
2013-07-31Chewtoes
2013-08-01DunderHead
2013-08-02PlungerGames
2014-04-05FibberOne
2014-10-18Goreo
2015-10-24BitOHaunty
2015-10-29HungryDrac
2016-03-05Craft
2017-03-04SierraMissed
2017-04-29Tried
2020-05-29ChumpStick
2020-06-06JollyWrencher
2020-06-20HayDay
2020-07-18WheatThicks
2020-07-19Rattleship (was a Sunday)
2020-08-01DentyMore
2020-08-29Sluggish
2020-09-19RudeLobster
9999-99-99Tatris (was not in Off the Mark, but something similar was on 2012-05-31
2000-11-14MeecesPieces
2004-07-21WackyPackStickerShock
2008-05-05GuitarVillain
2015-07-01SeriousString
2018-03-09MeetTheBeetles
2018-11-27BlueSloth
2019-05-07HoleFoods
2020-05-19Nestflix
2020-08-06Purrel
2020-12-29Unwise
2003-07-13Build-A-BeerPuzzle (was a Sunday)
2019-08-29BoyBlueberryPuzzle
2014-08-31ThirstyCaterpillar (was a Sunday)
Mark, could you please tell me the dates of release for the Off the Mark comic strips in this series?
And it looks like the four-card puzzle is a Sunday comic strip instead of a daily one. Is it?