Playable demos kick off this week’s PlayStation Store update, featuring Clive Barker’s Jericho and NBA 2K8.

No new games this week, but a new vehicle for MotorStorm is now available, as well as a new Speed Master add-on for Ninja Gaiden Sigma and the usual assortment of trailers and videos.

Demos
Clive Barker’s Jericho
NBA 2K8

Game Add-ons
MotorStorm “Castro Capitano” Vehicle
Ninja Gaiden Sigma Speed Master Mode

Trailers and Videos
NBA 08 Upside Progression System tutorial
Eye of Judgement Overview
Guitar Hero III: Legends of Rock trailer
Iron Man trailer
We Own the Night trailer

Read more: Ninja Gaiden Sigma Dated, New Screens, Tecmo Outlines Ninja Gaiden Sigma DLC Plans, PlayStation Store Thursday – Tekken 5: DR Online Goes Online, Ninja Gaiden Sigma 2 PS3 Bound, Sigma Hits Japanese PSN