Portal 2
Preservation of Mass
Preservation of Mass
Break the rules in Test Chamber 07
PS3 Portal 2
Rarity
15.84%
Common
Rarity (Game)
71.22%
Common
Bronze

First Achievers

User Date
1
Ragowit Ragowit
2
Angormatore Angormatore
3
BeginnerT_T BeginnerT_T (H)
4
Izkuru Izkuru
5
IKARUS-RG IKARUS-RG
6
CognacRhino800 CognacRhino800
7
RoaringMdog18 RoaringMdog18 (H)
8
DarkJediGaara DarkJediGaara
9
ExtremShooter_ ExtremShooter_ (H)
10
Qu1ck57r1k3 Qu1ck57r1k3
11
tjn_1991 tjn_1991
12
Vo1cl Vo1cl
13
Jumba Jumba
14
smiley_raine smiley_raine
15
DesignatedDeej DesignatedDeej (H)
16
Halon_50 Halon_50
17
Toni45C Toni45C
18
Replin Replin (H)
19
Squibbs Squibbs (H)
20
Rorta Rorta
21
astrallight astrallight
22
SolarPenny SolarPenny
23
DekuTree180 DekuTree180
24
Molasar Molasar
25
TheRevolter TheRevolter (H)
26
sefjwm sefjwm
27
phoeni4495 phoeni4495
28
Stephen_C_IIT Stephen_C_IIT
29
broodwars broodwars
30
Vaughn_Johnson Vaughn_Johnson (H)
31
YieZiyun YieZiyun (H)
32
TragicTravesty TragicTravesty
33
I3rand0 I3rand0
34
animuson animuson
35
spiderbyte115 spiderbyte115
36
Grillbar Grillbar
37
OrbisNon OrbisNon
38
Gskyace Gskyace
39
ROFL-WAFFLES ROFL-WAFFLES
40
Wurkz- Wurkz-
41
sette_seven sette_seven
42
Blackwhale1 Blackwhale1
43
Aided_Onslaught Aided_Onslaught (H)
44
AugustUnder AugustUnder
45
jarsofash jarsofash
46
Mewa007 Mewa007
47
Kinger Kinger (H)
48
Anomaly87 Anomaly87
49
DarkSeraphim666 DarkSeraphim666 (H)
50
SACK-BOY123 SACK-BOY123

Latest Achievers

User Date
1
technoboy16 technoboy16
2
Thyx_ Thyx_
3
Ulfhednar7807 Ulfhednar7807
4
Executioner0 Executioner0 (H)
5
cshall42 cshall42
6
Smilerika Smilerika
7
tonyokiller68 tonyokiller68
8
ltd7ru ltd7ru
9
YosemiteSam74 YosemiteSam74
10
cryton-x cryton-x
11
kia_salemi kia_salemi
12
REALDEAL_8 REALDEAL_8
13
ollidino ollidino
14
Enny_White Enny_White
15
CobaltCrescent CobaltCrescent
16
Rockstarx2482 Rockstarx2482
17
jacksplat95 jacksplat95
18
pherron pherron
19
Sparelll97 Sparelll97 (H)
20
ArtikSkarab ArtikSkarab
21
Fazeof1337planet Fazeof1337planet
22
Deibit Deibit
23
AlexOffLimits AlexOffLimits
24
T-JP100 T-JP100
25
Sawys13 Sawys13 (H)
26
djcawood djcawood
27
JumboWario JumboWario
28
Bizzy_Montana_ Bizzy_Montana_
29
Chill_OUT13 Chill_OUT13 (H)
30
Biowolves Biowolves
31
Penpen4 Penpen4 (H)
32
MikoMahonri MikoMahonri (H)
33
Gideon_Killer Gideon_Killer
34
SpazzMaticus28 SpazzMaticus28
35
Sehehebi Sehehebi (H)
36
muggybonehed666 muggybonehed666
37
Legendary_Raine Legendary_Raine (H)
38
SinnTrophyHunter SinnTrophyHunter
39
Wildmushy Wildmushy
40
darklifeness darklifeness
41
spyBUDDHA spyBUDDHA (H)
42
Marketman316 Marketman316
43
C0gli0stroG C0gli0stroG
44
CreateToBeGreat CreateToBeGreat
45
Jolakotturin Jolakotturin (H)
46
natarthegreatar natarthegreatar
47
MainComptonese MainComptonese (H)
48
Shorty132471 Shorty132471 (H)
49
Chaos_Bladez Chaos_Bladez
50
aqwzsx741 aqwzsx741