diff --git a/scripts/siterender.py b/scripts/siterender.py
index e6ce4cd0b..62ccede86 100644
--- a/scripts/siterender.py
+++ b/scripts/siterender.py
@@ -1339,6 +1339,11 @@ SYSTEM_PARENTS: dict[str, tuple[str, str]] = {
     # Games, filed with the game whose folder holds their data
     "dinothawr": ("Dinothawr", "Dinothawr"),
     "doom": ("Id Software", "Doom"),
+    # The other games of the Doom engines keep their IWADs in its folder.
+    "heretic": ("Id Software", "Doom"),
+    "hexen": ("Id Software", "Doom"),
+    "strife": ("Id Software", "Doom"),
+    "chex": ("Id Software", "Doom"),
     "ctf": ("Id Software", "Quake II"),
     "teamarena": ("Id Software", "Quake III Arena"),
     "enemyterritory": ("Id Software", "Wolfenstein Enemy Territory"),