| December 31 edit |
|---|
NA |  ENVY | Censor (temporary substitute) leaves. |
| December 31 (approx.) edit |
|---|
NA |  HeXp | Chino, Gucci, JHill, and Tipsy join. |
| December 30 edit |
|---|
NA | |   OpTic Gaming   compLexity Gaming in the UMG Chicago 2012. |
| December 29 edit |
|---|
NA | |  Big Reindeer New Breed (2012 Team) in the UMG Chicago 2012 2v2 Tournament. |
NA | | Ricky in the UMG Chicago 2012 FFA Tournament. |
| December 26 edit |
|---|
NA |  UNiTE | Team signs roster of  JuKeD. Bobby, Huhdle, Slacked, and Spacely join. |
NA |  JuKeD | Roster is signed by  UNiTE Gaming. Bobby, Huhdle, Slacked, and Spacely leave. |
| December 17 (approx.) edit |
|---|
NA | ENVY | Censor joins as temporary substitute for UMG Chicago 2012. FoRePLayy leaves. |
NA |  IcoNs | Ricky joins. |
| December 16 (approx.) edit |
|---|
NA |  TKO | KruMP, PHiZZURP, and TwiZz leave. |
| December 16 edit |
|---|
NA |  SoaR | Fluff, FunK, and Mosh join. |
NA | | compLexity Gaming JuKeD in the Frag Cup IV. |
| December 12 edit |
|---|
NA |  RNX | Clayster, IntaKe, Parasite, and Rambo join. |
NA | TKO | Clayster leaves. |
NA |  coL | ACHES, Crimsix, FEARS, and TeePee join. |
| December 10 (approx.) edit |
|---|
NA |  QTC | ACHES, Crimsix, FEARS, and TeePee leave. |
| December 6 edit |
|---|
EU |  MILL | Agonie, D1ablo, Gotaga, and LowAn join. |
NA |  FaZe | PHiZZURP and TwiZz join. Dedo leaves. |
| December 3 edit |
|---|
NA | FaZe | Parasite leaves. |
| December 2 edit |
|---|
EU | | NControl.Visions  Prophecy in the Insomnia47. |
| December 1 (approx.) edit |
|---|
NA | JuKeD | Bobby, Huhdle, Slacked, and Spacely join. |
