Ranking the core courses from TU (Technical University) based on difficulty, workload, or student experience. This comprehensive list covers fundamental engineering and computer science subjects that shape a technical education. From the rigorous mathematical foundations of Analysis 1 & 2 (An1, An2) and Probability Theory (Wahrscheinlichkeitstheorie) to practical computer science courses like Algorithms and Data Structures (Algodat), Theoretical Computer Science (Theoretische Informatik), and Operating Systems (BeSys). The list also includes essential engineering topics such as Digital Systems (Zigsys), Computer Architecture (Rechnerstruckturn), Hardware Modeling (HwMod), and Electrical Engineering (EL). Whether you're a current student planning your semester or an alumnus reminiscing about challenging coursework, these subjects represent the backbone of technical university education.