"7Smoke Tennis Blue - Knee Deep (by Pan) and Necropolis (by StealthToast).

I bundled Level 4 & 5 together, since both of them are rather short. Also, we meet Stefan, THE GREATEST SKULL OF ALL.

The game on steam: https://steamproxy.net/steamstore/app/564310/Serious_Sam_Fusion_2017_beta/
The Mod campaign: https://steamproxy.net/sharedfiles/filedetails/?id=1592481495"