Note: This guide is just for quick reference. As always, you should check the current world record for the most up-to-date route information, especially if this guide hasn't been updated in a while.

General

• Buying an Armor Upgrade fully refills your health. This is particularly useful on Hard.

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Any% (Easy) / Beat Joker

• Critical Strikes (as soon as possible, ideally right after the first trophy dupe)
• Double Batarang (if you're not doing Medical Skip, get it before the predator in Medical. Otherwise, get it in the Mansion after Batclaw Skip)
• Triple Batarang (Mansion after Batclaw Skip. You can safely ignore this if you're low on XP)
• Remote Control Batarang (Mansion after Batclaw Skip)
• Cryptographic Sequencer Range/Power (Penitentiary after rescuing Sharp. Range is more important if you're low on XP)
• Auto Proximity Detonation (ONLY if you're not doing the zips in Croc's Lair, otherwise ignore this. Get it before the final chase sequence with Croc)

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Any% (Hard)

Same as Any% Easy, except:

• Combo Batarang first (same time you'd buy Critical Strikes on Easy)
• Get Critical Strikes, Double, and Triple Batarang as soon as possible (ideally before the Intensive Treatment predator)

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No Major Skips

• Critical Strikes on Easy, Combo Batarang on Hard (as soon as possible, right after the Beta Titan fight)
• Double Batarang (before the predator in Medical)
• Triple Batarang (After Bane)
• Cryptographic Sequencer Range/Power (Penitentiary after rescuing Sharp. Range is more important if you're low on XP)
• Auto Proximity Detonation (Croc's Lair, before the final chase sequence)

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100%

When exactly you buy some of the upgrades will vary depending on your route/whether or not you dupe trophies, but the order is:

• Combo Batarang (Hard only)
• Critical Strikes
• Double Batarang
• Triple Batarang
• Remote Control Batarang (ONLY if you're doing Bell Skip, not needed for Glitchless)
• Sonic Batarang + Shock (same time as sequencer upgrades)
• Cryptographic Sequencer Range/Power (Penitentiary after rescuing Sharp)
• Auto Proximity Detonation (ONLY if you're not doing the zips in Croc's Lair, otherwise ignore this. Get it before the final chase sequence with Croc)

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New Game Minus

We don't buy any upgrades during the run, but the file is set up with all upgrades except:

• Armor Upgrades (Beta Titan fight is faster without them)
• Combo Takedown/Throw/Boost (they slow down combat)
• Auto Proximity Detonation (Joker fight is apparently better without this)