Changes

| rowspan=3 | Ammo

| rowspan=3 | Ammo

| {{Price|15|JOPK}}

| {{Price|15|JOPK}}

| rowspan=3 | Increases bullet damage. If a bullet destroys an enemy with with damage left over, it will keep going until its damage is depleted, allowing you to kill at least two weak enemies with one bullet. Mushrooms from Zone 2 can be killed in one hit on the first upgrade, and with a second upgrade so can the Mummies in the final world.

| rowspan=3 | Increases bullet damage to 2 / 3 / 4. Bullets gain penetration, such that if a bullet destroys an enemy with damage left over, it will keep going until its damage is depleted, allowing you to kill at least two weak enemies with one bullet.

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| [[File:JOPK_Ammo2.png]]

| [[File:JOPK_Ammo2.png]]