Cluster Grenade is one of Joshtick's upgrades from the Slush Invaders: Game. It allows him to toss 3 grenades instead of one.
- Cluster Grenade is unlocked after beating Galaxyrise's bonus objectives.
Trivia
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Cluster Grenade is one of Joshtick's upgrades from the Slush Invaders: Game. It allows him to toss 3 grenades instead of one.