Old Jak X and Ratchet Gladiator combo demo I found : r/jakanddaxter
Throwback to the time Insomaniac released Ratchet Gladiator (Deadlocked) as a digital download only, I just had to have a physical version so I made one myself. If other people are interested,
Ratchet: Deadlocked Review - GameSpot
RATCHET GLADIATOR by ZaxsSouven on DeviantArt
CV | Sony PlayStation 2 Slim Ratchet Gladiator Bundle
Ratchet: Deadlocked HD coming to PlayStation Network this year - Polygon