Winter

is a recurring mechanic in. Series: goes unnamed in.

In OoS:, the OoS: color palette turns a blueish hue. Lakes and ponds freeze, with portions turning into OoS: or cracked OoS:. Large snowdrifts and ramps will also appear, alongside smaller piles of OoS:. Certain NaN Trees will loose their leaves and turn into bare trunks, allowing passage through otherwise-blocked areas.