Ninja Swarm
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Ninja Swarm

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A survivors-like/bullet heaven game. Survive against the swarm of slimes, create unique builds with a variety of weapons and augments & unlock powerful upgrades as make your way up the Spire.

Recommended to play in a PRIVATE lobby if it is your first time playing.

• 1-4 Players co-op.
• 18 Unique weapons with a variety of augments to customize your build.
• 9 Arenas of increasing difficulty and challenges.
• Early Access release with regular updates.

Select a weapon & arena and enter the Spire and survive against the swarm of slimes.
Eliminate slimes and collect experience orbs to level up & upgrade your weapons & abilities.
Defeat the arena boss to claim victory and earn bonus gold to purchase power up & unlock new weapons.
...more
Map Type:UEFN
Released:Sep 15, 2024
Updated:Aug 20, 2025
Version:79
Max Players:4
Age Rating:Teen / 12
XP Status:Awarding
56.4M #
Minutes Played
88K #
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Changed Description
A survivors-like/bullet heaven game. Survive against the swarm of slimes, create unique builds with a variety of weapons and augments & unlock powerful upgrades as make your way up the Spire.

Recommended to play in a PRIVATE lobby if it is your first time playing.

• 1-4 Players co-op.
• 12 Unique weapons with a variety of augments to customize your build.
• 9 Arenas of increasing difficulty and challenges.
• Early Access release with regular updates.
A survivors-like/bullet heaven game. Survive against the swarm of slimes, create unique builds with a variety of weapons and augments & unlock powerful upgrades as make your way up the Spire.

Recommended to play in a PRIVATE lobby if it is your first time playing.

• 1-4 Players co-op.
• 18 Unique weapons with a variety of augments to customize your build.
• 9 Arenas of increasing difficulty and challenges.
• Early Access release with regular updates.
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Slime Spire Survivors Ninja Swarm
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Changed Description
A survivors-like/bullet heaven game. Survive against the hordes of slimes, create unique builds with a variety of weapons and augments & unlock powerful upgrades as make your way up the Spire.

Recommended to play in a PRIVATE lobby if it is your first time playing.

• 1-4 Players co-op.
• 12 Unique weapons with a variety of augments to customize your build.
• 9 Arenas of increasing difficulty and challenges.
• Early Access release with regular updates.
A survivors-like/bullet heaven game. Survive against the swarm of slimes, create unique builds with a variety of weapons and augments & unlock powerful upgrades as make your way up the Spire.

Recommended to play in a PRIVATE lobby if it is your first time playing.

• 1-4 Players co-op.
• 12 Unique weapons with a variety of augments to customize your build.
• 9 Arenas of increasing difficulty and challenges.
• Early Access release with regular updates.
Changed Introduction
Select a weapon & arena and enter the Spire and survive against the horde of slimes.
Eliminate slimes and collect experience orbs to level up & upgrade your weapons & abilities.
Defeat the arena boss to claim victory and earn bonus gold to purchase power up & unlock new weapons.
Select a weapon & arena and enter the Spire and survive against the swarm of slimes.
Eliminate slimes and collect experience orbs to level up & upgrade your weapons & abilities.
Defeat the arena boss to claim victory and earn bonus gold to purchase power up & unlock new weapons.
Changed Description
An action roguelike/horde survival/bullet heaven game - enter the Spire and survive against the horde of slimes.

• Select a weapon.
• Enter the Spire and survive the horde of slimes.
• Pickup orbs to level up & upgrade your weapons & abilities.
• Play solo or with your squad.
A survivors-like/bullet heaven game. Survive against the hordes of slimes, create unique builds with a variety of weapons and augments & unlock powerful upgrades as make your way up the Spire.

Recommended to play in a PRIVATE lobby if it is your first time playing.

• 1-4 Players co-op.
• 12 Unique weapons with a variety of augments to customize your build.
• 9 Arenas of increasing difficulty and challenges.
• Early Access release with regular updates.
Changed Introduction
Select a weapon.
Enter the Spire and survive the horde of slimes.
Pickup orbs to level up & upgrade your weapons & abilities.
Select a weapon & arena and enter the Spire and survive against the horde of slimes.
Eliminate slimes and collect experience orbs to level up & upgrade your weapons & abilities.
Defeat the arena boss to claim victory and earn bonus gold to purchase power up & unlock new weapons.