Short exercises you run on your own machine with bgym — on one technology, or on two of them meeting, which is usually where the surprises are. The goal is fluency to read and judge what a machine wrote for you, not to write every line by hand.
bgym
Read and predict C# code behavior to build fluency with language traps.
Rep progress is counted on its own. The projects page counts projects, and the two are deliberately never added together.