/usr/games/ppt appeared in v7 (without source or a manual page)
It was not in 32V.

running v7 on simh:
# echo test | /usr/games/ppt
___________
| ooo .o  |
| oo  .o o|
| ooo . oo|
| ooo .o  |
|    o. o |
___________

Index: games/ppt/ppt.6
===================================================================
RCS file: /cvs/src/games/ppt/ppt.6,v
diff -u -p -r1.2 ppt.6
--- games/ppt/ppt.6	18 Nov 2014 02:25:12 -0000	1.2
+++ games/ppt/ppt.6	31 Jul 2025 07:13:00 -0000
@@ -71,7 +71,7 @@ is printed for undecipherable input line
 The
 .Nm
 command first appeared in
-.Bx 4.3 Tahoe .
+.At v7 .
 The options
 .Fl d
 and