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Black One Blood Brothers achievements, rarest first.
Every achievement in Black One Blood Brothers, ranked by how many Steam players have unlocked it. Global completion rates from Steam, refreshed daily.
The rarest achievement
80 captures
0.2%
of players
- Achievements
- 200
- Rarest
- 0.2%
- Ultra rare (under 5%)
- 146
- Average completion
- 6.0%
1
80 captures
Capture 80 enemies
0.2%
2
200 captures
Capture 200 enemies
0.2%
3
500 captures
Capture 500 enemies
0.2%
4
300 hostages
Rescue 300 hostages
0.2%
5
500 hostages
Rescue 500 hostages
0.2%
6
BRI: Les formes de l'ombre (Tome 2)
Collect "BRI: Les formes de l'ombre (Tome 2)" in Mall of Eden
0.2%
7
Serpent's Whisper: Complete -> Very easy
0.2%
8
Serpent's Whisper: Complete -> Easy
0.2%
9
Serpent's Whisper: Complete -> Medium
0.2%
10
Serpent's Whisper: Complete -> Hard
0.2%
11
Serpent's Whisper: Complete -> Very hard
0.2%
12
Serpent's Whisper: Complete -> Extreme
0.2%
13
Serpent's Whisper: part 1 -> Very hard
0.2%
14
Serpent's Whisper: part 1 -> Extreme
0.2%
15
Serpent's Whisper: part 2 -> Hard
0.2%
16
Serpent's Whisper: part 2 -> Very hard
0.2%
17
Serpent's Whisper: part 2 -> Extreme
0.2%
18
Cover operation (very short) -> Hard
0.2%
19
Cover operation (very short) -> Very hard
0.2%
20
Cover operation (very short) -> Extreme
0.2%
21
Cover operation (short) -> Easy
0.2%
22
Cover operation (short) -> Medium
0.2%
23
Cover operation (short) -> Hard
0.2%
24
Cover operation (short) -> Very hard
0.2%
25
Cover operation (short) -> Extreme
0.2%
26
Cover operation (average) -> Very easy
0.2%
27
Cover operation (average) -> Easy
0.2%
28
Cover operation (average) -> Medium
0.2%
29
Cover operation (average) -> Hard
0.2%
30
Cover operation (average) -> Very hard
0.2%
31
Cover operation (average) -> Extreme
0.2%
32
Cover operation (long) -> Very easy
0.2%
33
Cover operation (long) -> Easy
0.2%
34
Cover operation (long) -> Medium
0.2%
35
Cover operation (long) -> Hard
0.2%
36
Cover operation (long) -> Very hard
0.2%
37
Cover operation (long) -> Extreme
0.2%
38
Cover operation (very long) -> Very easy
0.2%
39
Cover operation (very long) -> Easy
0.2%
40
Cover operation (very long) -> Medium
0.2%
41
Cover operation (very long) -> Hard
0.2%
42
Cover operation (very long) -> Very hard
0.2%
43
Cover operation (very long) -> Extreme
0.2%
44
Task changes
Finish a mission with a task that changed position during the mission
0.2%
45
Anti-aircraft battery
Finish a mission by destroying the Anti-aircraft battery
0.3%
46
Confessions d'un Ops
Collect "Confessions d'un Ops" in Elegance airport
0.3%
47
10000 frags
Kill 10000 enemies
0.3%
48
500 tasks
Complete 500 tasks
0.3%
49
3000 tasks
Complete 3000 tasks
0.3%
50
200 missions
Successfully 200 complete missions
0.3%
51
1000 missions
Successfully 1000 complete missions
0.3%
52
Workshop
Share a creation on Workshop
0.3%
53
30 captures
Capture 30 enemies
0.3%
54
50 captures
Capture 50 enemies
0.3%
55
100 hostages
Rescue 100 hostages
0.3%
56
Unkown agent
Obtain intelligence to locate and rescue an unmasked spy
0.3%
57
Unkown capture
Obtain intelligence to locate and capture a high-value target
0.3%
58
Unkown hostages
Obtain intelligence to locate and rescue some hostages
0.3%
59
Serpent's Whisper: part 1 -> Hard
0.3%
60
Serpent's Whisper: part 2 -> Easy
NEW_ACHIEVEMENT_DESC_12_0
0.3%
61
Serpent's Whisper: part 2 -> Medium
0.3%
62
Cover operation (very short) -> Easy
0.3%
63
Cover operation (very short) -> Medium
0.3%
64
Cover operation (short) -> Very easy
0.3%
65
Perfect
Finish "Spec Ops" with 2 tasks without be spotted, without kill and without dead
0.4%
66
Chef de guerre
Collect "Chef de Guerre" in Valenwood villa
0.4%
67
Objectif: Forces speciales
Collect "Objectif: Forces speciales" in Burnwood mansion
0.4%
68
BRI: Les formes de l'ombre
Collect "BRI: Les formes de l'ombre" in Central hospital
0.4%
69
Recon
Spot all enemies in a area
0.4%
70
Unkown defusing
Obtain intelligence to locate and defuse a nuclear bomb before the end of the countdown
0.4%
71
Unkown demolition
Obtain intelligence to locate and destroy an infrastructure
0.4%
72
Serpent's Whisper: part 1 -> Easy
0.4%
73
Serpent's Whisper: part 1 -> Medium
0.4%
74
Serpent's Whisper: part 2 -> Very easy
0.4%
75
Cover operation (very short) -> Very easy
0.4%
76
Homme d'action
Collect "Homme d'action" in Jin-Shu temple
0.5%
77
Target
Eliminate a high value target
0.5%
78
20 captures
Capture 20 enemies
0.5%
79
50 hostages
Rescue 50 hostages
0.5%
80
Unkown target
Obtain intelligence to locate and eliminate a high-value target
0.5%
81
None HUD
Finish a mission without any user interface
0.5%
82
Custom map
Finish a mission on a custom map
0.5%
83
New World Stronghold
Finish a mission on "New World Stronghold" map
0.5%
84
Prestige Max
Achieve max rank
0.6%
85
United We Conquer
Collect "United We Conquer" in Compound
0.6%
86
Enila islands - Talmio
Finish at least once "Enila islands - Talmio"
0.6%
87
Secret bunker
Finish at least once "Secret bunker"
0.6%
88
The mines
Finish at least once "The mines"
0.6%
89
Serpent's Whisper: part 1 -> Very easy
0.6%
90
Carrier Deck
Finish a mission on "Carrier Desk" map
0.6%
91
Enila islands - Tanavia
Finish at least once "Enila islands - Tanavia"
0.7%
92
The sanctuary
Finish at least once "The sanctuary"
0.7%
93
Agent
Rescue the unmasked spy before he is executed by the enemy
0.7%
94
Three prisoners
Finish a mission with 3 captured enemies
0.8%
95
Listening device
Put a listening device without being spotted
0.8%
96
Forces spéciales et unités d'élite (Tome 2)
Collect "Forces spéciales et unités d'élite (Tome 2)" in ARIAL offshore drilling
0.8%
97
Brattvog village
Finish at least once "Brattvog village"
0.8%
98
Old fortress
Finish at least once "Old fortress"
0.8%
99
Mall of Eden
Finish at least once "Mall of Eden"
0.8%
100
Enila island
Finish at least once "Enila island"
0.9%
101
Defusing
Defuse a nuclear bomb before the end of the countdown
0.9%
102
2000 frags
Kill 2000 enemies
1.0%
103
Prestige 5
Achieve 2700000 XP
1.0%
104
ARIAL offshore drilling
Finish at least once "ARIAL offshore drilling"
1.0%
105
500000 XP
Finish a mission with a global scoring of 100% and 500000 XP
1.1%
106
Demolition
Destroy an infrastructure
1.1%
107
10 captures
Capture 10 enemies
1.1%
108
NVG
Finish a night mission without any NVG
1.1%
109
Jin-Shu temple
Finish at least once "Jin-Shu temple"
1.2%
110
Ancient ruins
Finish at least once "Ancient ruins"
1.3%
111
Map editor
Play a custom map
1.3%
112
University
Finish at least once "University"
1.3%
113
200000 XP
Finish a mission with a global scoring of 100% and 200000 XP
1.5%
114
Arctic base
Finish at least once "Arctic base"
1.5%
115
40 missions
Successfully 40 complete missions
1.6%
116
Capture
Capture a high value target
1.7%
117
5 tasks
Finish "Spec Ops" with 5 tasks
1.8%
118
100% and 5 tasks
Finish "Spec Ops" with 5 tasks and a global scoring of 100%
1.8%
119
Blind Ops
Finish at least once "Blind Ops"
1.8%
120
100000 XP
Finish a mission with a global scoring of 100% and 100000 XP
1.9%
121
20 hostages
Rescue 20 hostages
1.9%
122
Night
Finish a mission by night
1.9%
123
80 tasks
Complete 80 tasks
2.0%
124
Hostages
Rescue and extract some hostages
2.1%
125
Unarmed
Finish a mission without any firearm
2.1%
126
Burnwood mansion
Finish at least once "Burnwood mansion"
2.2%
127
Central hospital
Finish at least once "Central hospital"
2.2%
128
Daylight
Finish a mission in daylight
2.2%
129
Residential house
Finish at least once "Residential house"
2.4%
130
Meeting
Eliminate the meeting and steal the briefcase
2.4%
131
Compound
Finish at least once "Compound"
2.5%
132
The Gabriel
Finish at least once "The Gabriel"
2.5%
133
30 missions
Successfully 30 complete missions
2.5%
134
Prestige 4
Achieve 300000 XP
2.5%
135
5 captures
Capture 5 enemies
2.5%
136
50000 XP
Finish a mission with a global scoring of 100% and 50000 XP
2.6%
137
Weapons cache
Destroy some weapons cache
2.7%
138
60 tasks
Complete 60 tasks
2.8%
139
Training center
Finish at least once "Training center"
2.9%
140
Sensitive documents
Recover sensitive documents
3.6%
141
Secure
Secure a area by eliminating all enemies
3.6%
142
20000 XP
Finish a mission with a global scoring of 100% and 20000 XP
3.7%
143
20 missions
Successfully 20 complete missions
4.0%
144
Prestige 3
Achieve 100000 XP
4.2%
145
10 hostages
Rescue 10 hostages
4.2%
146
40 tasks
Complete 40 tasks
4.6%
147
Siege
Finish at least once "Siege"
5.1%
148
10000 XP
Finish a mission with a global scoring of 100% and 10000 XP
5.2%
149
Prisoner of war
Finish at least once "Prisoner of war"
5.4%
150
Lost island
Finish at least once "Lost island"
5.4%
151
Lone wolf in large map
Finish a mission with a global scoring of 100% alone on a large or very large map
5.7%
152
Prestige 2
Achieve 30000 XP
6.2%
153
5000 XP
Finish a mission with a global scoring of 100% and 5000 XP
7.0%
154
5 hostages
Rescue 5 hostages
7.4%
155
War
Finish at least once "War"
7.6%
156
Dark army
Finish a mission against the dark army
7.9%
157
Recon
Finish at least once "Recon"
7.9%
158
Prestige 1
Achieve 7000 XP
8.1%
159
10 missions
Successfully 10 complete missions
8.5%
160
100% and 3 tasks
Finish "Spec Ops" with 3 tasks and a global scoring of 100%
8.6%
161
Lone wolf
Finish at least once "Lone wolf"
8.7%
162
300 frags
Kill 300 enemies
8.9%
163
No kill
Finish a mission without kill an enemy
9.2%
164
20 tasks
Complete 20 tasks
9.2%
165
Enemy captured
Finish a mission with an captured enemy
9.6%
166
Al-Jan province
Finish at least once "Al-Jan province"
9.7%
167
Elegance airport
Finish at least once "Elegance airport"
11%
168
Spec ops alone
Finish "Spec Ops" alone
12%
169
Valenwood villa
Finish at least once "Valenwood villa"
12%
170
1000 XP
Finish a mission with a global scoring of 100% and 1000 XP
13%
171
200 frags
Kill 200 enemies
13%
172
500 XP
Finish a mission with a global scoring of 100% and 500 XP
15%
173
1 hostage
Rescue 1 hostage
15%
174
HALO
Use "HALO" insertion
15%
175
Five missions
Successfully 5 complete missions
16%
176
300 XP
Finish a mission with a global scoring of 100% and 300 XP
17%
177
Ghost
Finish a mission without be spotted
17%
178
Four missions
Successfully 4 complete missions
19%
179
100 XP
Finish a mission with a global scoring of 100% and 100 XP
20%
180
100 frags
Kill 100 enemies
21%
181
Klettgau Forest
Finish at least once "Klettgau Forest"
23%
182
Three missions
Successfully 3 complete missions
23%
183
Underwater
Use "Underwater" insertion
23%
184
5 tasks
Complete 5 tasks
24%
185
Support
Request a support
25%
186
Finish a mission
Finish at least once a mission
25%
187
Tutorial
Finish at least once "Tutorial"
26%
188
50 frags
Kill 50 enemies
29%
189
Squad editor
Save a squad
30%
190
Two missions
Successfully 2 complete missions
31%
191
Drone
Use at least once a drone
31%
192
100%
Finish a mission with a global scoring of 100%
39%
193
Play training
Play at least once training mode
40%
194
Spec Ops
Finish at least once "Spec Ops"
40%
195
One mission
Successfully 1 complete mission
40%
196
10 frags
Kill 10 enemies
41%
197
No dead
Finish a mission without dead
42%
198
Play a mission
Play at least once a mission
43%
199
On foot
Use "On foot" insertion
52%
200
Helicopter
Use "Helicopter" insertion
67%
Percentages are Steam's global unlock rates across all players who own Black One Blood Brothers, refreshed daily. Under 5% is marked in the lit blue.