Extended Mags is an upgrade from the Slush Invaders: Game which allows Stick JK to snipe 3 enemies instead of just 2 (or snipe one enemy three times instead of twice). It costs 15,000 points.
- Though not actually seen, Stick JK's third shot when this upgrade is unlocked seems to be more powerful, as it takes a mere 0.2 seconds before the last shot is fired compared to the first two, which are shot consecutively.
- If the player has unlocked Stopping Power, combined with this upgrade, Stick JK can practically taken down two to three enemies in a row. With the exception of Cobalts and Azures.
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