| #21001 | Why Did the Cow Cross the RoadUSACO 2017 February Silver | |
| #21002 | Why Did the Cow Cross the Road IIUSACO 2017 February Silver | |
| #21003 | Why Did the Cow Cross the Road IIIUSACO 2017 February Silver | |
| #21004 | Why Did the Cow Cross the RoadUSACO 2017 February Gold | |
| #21005 | Why Did the Cow Cross the Road IIUSACO 2017 February Gold | |
| #21006 | Why Did the Cow Cross the Road IIIUSACO 2017 February Gold | |
| #21007 | Why Did the Cow Cross the RoadUSACO 2017 February Platinum | |
| #21008 | Why Did the Cow Cross the Road IIUSACO 2017 February Platinum | |
| #21009 | Why Did the Cow Cross the Road IIIUSACO 2017 February Platinum | |
| #21010 | The Lost CowUSACO 2017 US Open Bronze | |
| #21011 | Bovine GenomicsUSACO 2017 US Open Bronze | |
| #21012 | Modern ArtUSACO 2017 US Open Bronze | |
| #21013 | Paired UpUSACO 2017 US Open Silver | |
| #21014 | Bovine GenomicsUSACO 2017 US Open Silver | |
| #21015 | Where's Bessie?USACO 2017 US Open Silver | |
| #21016 | Bovine GenomicsUSACO 2017 US Open Gold | |
| #21017 | Modern Art 2USACO 2017 US Open Gold | |
| #21018 | Blocked BillboardUSACO 2017 December Bronze | |
| #21019 | The Bovine ShuffleUSACO 2017 December Bronze | |
| #21020 | Milk MeasurementUSACO 2017 December Bronze | |
| #21021 | My Cow Ate My HomeworkUSACO 2017 December Silver | |
| #21022 | Milk MeasurementUSACO 2017 December Silver | |
| #21023 | The Bovine ShuffleUSACO 2017 December Silver | |
| #21024 | A Pie for a PieUSACO 2017 December Gold | |
| #21025 | Barn PaintingUSACO 2017 December Gold | |
| #21026 | Haybale FeastUSACO 2017 December Gold | |
| #21027 | Blocked Billboard IIUSACO 2018 January Bronze | |
| #21028 | LifeguardsUSACO 2018 January Bronze | |
| #21029 | Out of PlaceUSACO 2018 January Bronze | |
| #21030 | LifeguardsUSACO 2018 January Silver | |
| #21031 | Rental ServiceUSACO 2018 January Silver | |
| #21032 | MooTubeUSACO 2018 January Silver | |
| #21033 | MooTubeUSACO 2018 January Gold | |
| #21034 | Cow at LargeUSACO 2018 January Gold | |
| #21035 | Stamp PaintingUSACO 2018 January Gold | |
| #21036 | TeleportationUSACO 2018 February Bronze | |
| #21037 | HoofballUSACO 2018 February Bronze | |
| #21038 | Taming the HerdUSACO 2018 February Bronze | |
| #21039 | Rest StopsUSACO 2018 February Silver | |
| #21040 | Snow BootsUSACO 2018 February Silver | |
| #21041 | TeleportationUSACO 2018 February Silver | |
| #21042 | Snow BootsUSACO 2018 February Gold | |
| #21043 | Directory TraversalUSACO 2018 February Gold | |
| #21044 | Taming the HerdUSACO 2018 February Gold | |
| #21045 | Team Tic Tac ToeUSACO 2018 US Open Bronze | |
| #21046 | Milking OrderUSACO 2018 US Open Bronze | |
| #21047 | Family TreeUSACO 2018 US Open Bronze | |
| #21048 | Out of SortsUSACO 2018 US Open Silver | |
| #21049 | Lemonade LineUSACO 2018 US Open Silver | |
| #21050 | Multiplayer MooUSACO 2018 US Open Silver | |
| #21051 | Out of SortsUSACO 2018 US Open Gold | |
| #21052 | Milking OrderUSACO 2018 US Open Gold | |
| #21053 | Talent ShowUSACO 2018 US Open Gold | |
| #21054 | Mixing MilkUSACO 2018 December Bronze | |
| #21055 | The Bucket ListUSACO 2018 December Bronze | |
| #21056 | Back and ForthUSACO 2018 December Bronze | |
| #21057 | ConventionUSACO 2018 December Silver | |
| #21058 | Convention IIUSACO 2018 December Silver | |
| #21059 | Mooyo MooyoUSACO 2018 December Silver | |
| #21060 | Fine DiningUSACO 2018 December Gold | |
| #21061 | CowpatibilityUSACO 2018 December Gold | |
| #21062 | TeamworkUSACO 2018 December Gold | |
| #21063 | Ski Course DesignUSACO 2014 January Bronze | |
| #21064 | Bessie Slows DownUSACO 2014 January Bronze | |
| #21065 | Balanced TeamsUSACO 2014 January Bronze | |
| #21066 | Bessie Slows DownUSACO 2014 January Silver | |
| #21067 | Cross Country SkiingUSACO 2014 January Silver | |
| #21068 | Recording the MoolympicsUSACO 2014 January Silver | |
| #21069 | Cow CurlingUSACO 2014 January Gold | |
| #21070 | Building a Ski CourseUSACO 2014 January Gold | |
| #21071 | Ski Course RatingUSACO 2014 January Gold | |
| #21072 | Mirror FieldUSACO 2014 February Bronze | |
| #21073 | Auto-CompleteUSACO 2014 February Bronze | |
| #21074 | Secret CodeUSACO 2014 February Bronze | |
| #21075 | Auto-CompleteUSACO 2014 February Silver | |
| #21076 | RoadblockUSACO 2014 February Silver | |
| #21077 | Secret CodeUSACO 2014 February Silver | |
| #21078 | RoadblockUSACO 2014 February Gold | |
| #21079 | Cow DecathlonUSACO 2014 February Gold | |
| #21080 | Airplane BoardingUSACO 2014 February Gold | |
| #21081 | Reordering the CowsUSACO 2014 March Bronze | |
| #21082 | The Lazy CowUSACO 2014 March Bronze | |
| #21083 | Cow ArtUSACO 2014 March Bronze | |
| #21084 | Watering the FieldsUSACO 2014 March Silver | |
| #21085 | The Lazy CowUSACO 2014 March Silver | |
| #21086 | Mooo MooUSACO 2014 March Silver | |
| #21087 | The Lazy CowUSACO 2014 March Gold | |
| #21088 | SabotageUSACO 2014 March Gold | |
| #21089 | Counting FriendsUSACO 2014 March Gold | |
| #21090 | OdometerUSACO 2014 US Open Bronze | |
| #21091 | Fair PhotographyUSACO 2014 US Open Bronze | |
| #21092 | Decorating the PasturesUSACO 2014 US Open Bronze | |
| #21093 | Fair PhotographyUSACO 2014 US Open Silver | |
| #21094 | Dueling GPSsUSACO 2014 US Open Silver | |
| #21095 | OdometerUSACO 2014 US Open Silver | |
| #21096 | Fair PhotographyUSACO 2014 US Open Gold | |
| #21097 | Cow OpticsUSACO 2014 US Open Gold | |
| #21098 | Code BreakingUSACO 2014 US Open Gold | |
| #21099 | MarathonUSACO 2014 December Bronze | |
| #21100 | CrosswordsUSACO 2014 December Bronze | |