10° Impressions of Ratchet & Clank: A Crack in Time writes:

Challenge: One of the big problems with Ratchet ToD was the lack of challenge. CiT definitely nailed this one. I felt that completing the main campaign on the "hard" setting was on the easy side, but there is tons of challenge in getting the skill points and PSN trophies, doing the optional moon side-quests, collecting the Zoni/bolts, and most importantly, improved arena battles. I still prefer the approach of the older Ratchet games that spread the arena style challenges over the ends of different campaign missions in different non-arena environments.

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