The 
Space Army is a playable faction in Metal Slug Attack. It's primarily composed of alien units.
Overview[]
While not exactly an organization, the Space Army refers to units originating outside planet Earth, hence the name. The Space Army is divided into two (opposing) sides; the Martians and the Invaders.
Martians[]
Martian units mostly specialize in long range combat, often providing vital support for allied units.
Invaders[]
Invader units mostly specialize in close quarters combat and are the faction's primary buffers. Some Invaders specialize in long-ranged combat.
Buffers[]
These units provide status bonus effects to any unit affiliated with the Space Army.
- They are listed below, with their buff types and the bonus percentage they give at maximum skill level.
- There are 15 units with buffing effects for the Space Army.
| Unit | Buffs |
|---|---|
| HP (34.5%) | |
| Attack (34.5%) | |
| Attack (34.5%) | |
| HP (34.5%) | |
| HP (34.5%) | |
| Attack (34.5%) | |
| Attack (34.5%) | |
| HP (34.5%), Attack (34.5%), Unit Fever Time (30s) | |
| Attack (34.5%) | |
| Movement (+2.16) | |
| HP (34.5%), Movement (+1.08) | |
| Attack (69.0%) | |
| HP (69.0%) | |
| Attack (69.0%) | |
| Attack (69.0%) | |
| HP (34.5%) |
Supporters[]
These supporters provide bonus effects to any unit affiliated with the Space Army.
- They are listed below, with their buff types and the bonus percentage they give at max level.
- There are currently 2 supporters with buffing effects in the Space Army.
| Unit | Buffs (Maximum % Buff at Level 50 Skill) |
|---|---|
| Attack (20.0%) | |
| HP (20.0%) |
