Challenge mode

In the Ratchet and Clank Series, when the game is completed there are two options, one is to carry on playing the game from just before the final boss. The other option is to start the game again with Challenge Mode. This mode allows you to keep your Weapons, health level, upgrades and Weapon Mods, whilst playing through the storyline with a tougher enemies.

Mode Differences
In all games you get to keep your bolts, Weapons, Weapon Mods and health. Enemies and bosses also have more health and attack power as well.

Ratchet and Clank: Going Commando
You get to keep your crystals and raritariums. New challenges for the Megacorp Games and Galactic Gladiators. New alpha upgrades for your weapons allow you to upgrade their damage capabilities and ammo capacity. Bolt Multiplier is gained.

Ratchet and Clank: Up You Arsenal
You can now buy Upgrades for your weapons allowing you to upgrade them to a higher level. New challenges are unlocked at the Anihilation Nation Station. Bolt Multiplier is gained.

Ratchet: Deadlocked
You can now buy Upgrades for your weapons allowing you to upgrade them to LV 99. Bolt multiplier is gained. There are now more optional challenges to complete.

Ratchet and Clank: Size Matters
You can now buy Upgrades for your weapons allowing you to upgrade them to a higher level.

Apperances

 * Ratchet & Clank
 * Ratchet & Clank: Going Commando
 * Ratchet & Clank: Up Your Arsenal
 * Ratchet: Deadlocked
 * Ratchet & Clank: Size Matters