When you are about to execute a hunter, Cash should raise him arm slightly, you can get higher ratings if you hold the attack button rather than instantly pressing it. The three levels of executions are as follows, White-Hasty Yellow-Violent Red-Gruesome. Getting all red executions while playing on Hardcore may unlock some secrets...

CODE EFFECT
Black, Down, B, Left - Bin Bag.
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X, Black, L Trigger, Down - Camheads.
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R Trigger, R Trigger, X, L Trigger - Cerberus Variant Designs.
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Left, Right, Left, Right - Clown Head Variations.
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B, B, B, R Trigger - Early Innocent Hoodie Designs.
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Up, Down, Right, Right- Headshots
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R Trigger, White, L Trigger, L Trigger- Headshots 2
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X, X, White, Down-Level Art
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Y, X, B, Down -Piggsy
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X, X, X, Down - Piggy & Cash Toy Mock-Ups
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R Trigger, L Trigger, White, L Trigger -Scarecrow
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Right, Left, Left, Left, -Scarecrow Halloween Head Variation
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Left, R Trigger, R Trigger, Y -Smileys
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X, Down, B, Up - Starkweather
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White, White, L Trigger, White- The Clowns
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R Trigger, R Trigger, Y, B - The Jury
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White, Right, B, White -The Lost
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L Trigger, Y, Y, Y -Tramp
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R Trigger, White, L Trigger, Black - Wardogs
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Down, Up, Left, Up - Wardogs Zoo Sniper.


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R Trigger, White, L Trigger, Black, Down, Up, Left, Up - Fully Equipped (Weapons)
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Down, Down, B, Up, X, Y, X, White, Up, Up, L, Y - GOD MODE!
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R Trigger, R Trigger, Y, B, X, Black, L Trigger, Down - Hellium Hunters (Enemies have high pitch voices)
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X, X, X, Down, X, Down, B, Up- Invisibility
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X, X, White, Down, Y, X, B, Down -Monkey Skin
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Up, Down, Left, Left, R Trigger, White, L Trigger, L Trigger - Piggy Skin
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Left, R Trigger, R Trigger, Y, R Trigger, R Trigger, X, L Trigger-Rabbit Skin
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White, Right, B, White, Black, Down, B, Left-Regenerate (Health refills over time)
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White, White, L Trigger, White, Left, Right, Left, Right - Runner (Infinite run meter)
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R Trigger, L Trigger, White, L Trigger, Right, Left, Left, Left,-Silence (Enemies can't hear you.)
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L Trigger, Y, Y, Y, B, B, B, R Trigger - Super Punch (Killer Punches)