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Super Mutant Alien Assault achievements, rarest first.
Every achievement in Super Mutant Alien Assault, ranked by how many Steam players have unlocked it. Global completion rates from Steam, refreshed daily.
The rarest achievement
Humanities Epic Saviours
1.6%
of players
- Achievements
- 17
- Rarest
- 1.6%
- Ultra rare (under 5%)
- 11
- Average completion
- 9.2%
1
Humanities Epic Saviours
Beat the game in one run on epic difficulty, with a partner.
1.6%
2
Humanities Heroic Saviours
Beat the game in one run on heroic difficulty, with a partner.
2.0%
3
Booooomerang Juggler
Keep a booooomerang in the air for 30 seconds.
2.1%
4
Humanities Epic Saviour
Beat the game in one run on epic difficulty, by yourself
2.2%
5
Pulse Cooking
Use your pulse belt on a cooking explosive.
2.5%
6
Vanquish Pro
Defeat a boss in under 10 seconds.
3.3%
7
Humanities Saviours
Beat the game in one run on normal difficulty, with a partner.
4.2%
8
Sniper Pro
Kill 6 enemies with one sniper bullet.
4.3%
9
Humanities Heroic Saviour
Beat the game in one run on heroic difficulty, by yourself.
4.4%
10
Exploding Pressure
Activate 30 pressure machines with explosives.
4.5%
11
High Roller
Make a gas ball travel at high speed.
4.7%
12
Fully Equipped
Unlock all equipment.
5.7%
13
Humanities Saviour
Beat the game in one run on normal difficulty, by yourself.
13%
14
Galaxy 3 Boss Vanquished
Kill the galaxy 3 boss.
20%
15
3 Birds, One Bullet
Wipe out an entire monarch flock with one sniper bullet.
21%
16
Galaxy 2 Boss Vanquished
Kill the galaxy 2 boss.
25%
17
Galaxy 1 Boss Vanquished
Kill the galaxy 1 boss.
36%
Percentages are Steam's global unlock rates across all players who own Super Mutant Alien Assault, refreshed daily. Under 5% is marked in the lit blue.