DDL, Inc

Dirt Jockey - Heavy Equipment Operator USA	Sony - PlayStation	2003
Kenki Ippatsu! Shovel Master Ninarou! Japan	Sony - PlayStation	2000
Kenki Ippatsu! Shovel Master Ninarou! [PSOne Books] Japan	Sony - PlayStation	2003
Kensetsu Kikai Simulator - Kenki Ippai!! Japan	Sony - PlayStation	2000
Kensetsu Kikai Simulator - Kenki Ippai!! [PlayStation the Best] Japan	Sony - PlayStation	2001