Games by Incognito Entertainment Warhawk PS3 Sony Interactive Entertainment / Incognito Entertainment 28th Aug 2007 (NA)21st Sep 2007 (UK/EU) Calling All Cars! PS3 Incognito Entertainment 10th May 2007 (NA)25th May 2007 (JPN)22nd Jun 2007 (UK/EU) Twisted Metal: Head-On PSP SCEA / Incognito Entertainment 24th Mar 2005 (NA)4th Nov 2005 (UK/EU) Twisted Metal: Small Brawl PS1 SCEA / Incognito Entertainment