- In the Halloween Update, the Training Arena was changed to a wilted-like, fenced, grass field. In addition, a haystack with severed Kactus Man limbs appeared in the middle to replace the Kactus Man statue.
- In the Christmas Update, the Training Arena was changed to a living room (with walls), having a giant Kactus Man Statue holding a giant Christmas tree, surrounded by giant presents. In addition, there was a window blowing in the snow, Santa's Sack, and a fireplace that you can be damaged from, or damage Kactus Man by knocking them into the fireplace.
- In the Valentine's Update, the Training Arena's Kactus statue was changed to a Kactus Man statue that is sitting, opening a heart-shaped chocolate box. A heart is above the Kactus Man statue over several studs away, shining down a pink spotlight down at the Kactus statue. There was also a rare occurrence of a pink Kactus Man.
- In Update 3.31.16, a tiny yellow duck appeared on top of the Kactus statue. This may have signified the April Fools Update. There was also a rare occurrence of a yellow Kactus Man.
- Multiple glitches have been made during Training, such as Ichor teleporting or gaining several tools of the same weapon. The glitches have been fixed and patched overtime.
- In the Civil War Update, the Training Arena was replaced with a S.H.I.E.L.D Helicarrier from Marvel's The Avengers.
- In Update 10.31.16, the training area was once again changed to the fenced grass field.