[quote name='TheFirstAvenger']How do these games stack up against the Ratchet and Clank games? I wanted to get the R&C Collection, but have also been curious about the Jak series.[/QUOTE]
Jak & Daxter - awesome 3D platformer, no guns/weapons, easy platinum trophy
Jak 2 - one of the most frustrating games I have ever played, wouldn't be quite as bad if there were actually check points in the game, completely changed (for the worse) what was good about Jak & Daxter, added guns, took out most of the platforming, added in vehicles and some racing
Jak 3 - better than 2, but too much vehicle and not enough platforming IMO
R&C is better IMO, but the Jak games are still very good. I liked the Sly games the best FWIW.