Best use of $30 in the Steam Sale

My current list:

  • Vampire Survivors (3.50)
  • Halo MCC (9.99)
  • Mad Max (2.99)
  • South Park Stick of Truth (2.99)
  • Titanfall 2 (2.99)
  • Deep Rock Galactic Survivor (6.99) TOTAL = 29.50

How would you use the budget?