diff --git a/src/mess/drivers/hh_tms1k.c b/src/mess/drivers/hh_tms1k.c
index de1c2713b44..a6bcf406bb0 100644
--- a/src/mess/drivers/hh_tms1k.c
+++ b/src/mess/drivers/hh_tms1k.c
@@ -34,6 +34,7 @@
  *MP3208   TMS1000   1977, Milton Bradley Electronic Battleship (1977, model 4750A or B)
  @MP3226   TMS1000   1978, Milton Bradley Simon (model 4850)
  *MP3232   TMS1000   1979, Fonas 2-Player Baseball (no "MP" on chip label)
+ *MP3300   TMS1000   1980, Estrela Genius (from Brazil, looks and plays identical to Simon)
  @MP3301A  TMS1000   1979, Milton Bradley Big Trak
  *MP3320A  TMS1000   1979, Coleco Head to Head Basketball
  *M32001   TMS1000   1981, Coleco Quiz Wiz Challenger (note: MP3398, MP3399, M3200x?)