Mordax et al

non-video games:
stratego
D&D and other tabletop RPGS
cards against humanity

video games:
Silent Hill series
Fatal frame series
other survival horror
indie horror rpgs
old ‘point and click’ adventure games
classic platformers (mario, sonic)
Undertale
“Walking simulators” (Gone Home, Everybody’s gone to the rapture, The Stanley Parable, A machine for Pigs)
Metal Gear Solid series (essp. Big Boss games)
POTAL/PORTAL 2
Uncharted series
Pokemon!!
Legend of Zelda series (essp the handhelds and MAJORAS MASK)
Anything with creepy lore and secrets to find
Oddly enough, GTA5