Median number of galaxies as a function of median total stellar mass computed in the stellar mass bins log₁₀M_*/M_⊙ < 6.5, 6.5 ≤ log₁₀M_*/M_⊙ < 7.5, 7.5 ≤ log₁₀M_*/M_⊙ < 8.5, and log₁₀M_*/M_⊙ ≥ 8.5. The four panels, from top to bottom, correspond to variations in A_SN1, A_SN2, BH_FF, and M_WDM, respectively. In each case, the red and blue curves represent parameter values above and below the thresholds listed in Table 1, respectively. The plots are based on the 1024 MW zoom-in simulations from DREAMS.