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- It is possible, though never seen, Orvus could create Time Portals.
- There is a Plot Hole to why Ratchet & Clank couldn't have just used a Time Portal to go back to the Great War. It is possible it was too far back and if they undid such events it would cause a Paradox.
- There is an another plot hole with GrummelNet vendors in the past (Morklon). The vendors look exactly the same as in present time (In Ratchet & Clank Future: Tools of Destruction, the vendors were red and white, while in A Crack in Time they are gold and white, which means that the vendors maybe changed their design during the past 2 years) and they sell same weapons and ammo, while 10 years ago the weapons most probably did not exist yet. This includes Ammo Crates that provide ammo for weapons not yet made.
- Ratchet & Clank Future: A Crack in Time (first appearance)