(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Hard-coded ID
DMLs in loop
No assertions in Tests
Only catching general catch(Exception)
SOQL without WHERE or LIMIT outside Batch
No flags to deactivate trigger declaratively
Hard-coding UI text instead of Custom Labels
Method with 100s 'i++' lines for fake code coverage
Excessive lack of .startTest() and .stopTest()
Gigantic Flow instead of multiple Subflows
No checking collection emptiness before DML
Multiple triggers on one sObject
Hard-coded authentication instead of using Named Credentail
Nondescriptive variable names in Flow
Public Read/Write OWDs
Exactly 75% test coverage
Code in trigger instead of Trigger Handler
No Test data factory/builder
Calling Queueable in loop without control mechanism or logging
Getting IDs by loop instead of Map(records)
No Fault Paths in Flows
Excessive amount of System.Debug()
SOQLs in loop
Unjustified big number of Record Flows on one sObject
