According to @Krxnky on Twitter, there are seven new levels and one is a final:
TUNDRA RUN (round_gauntlet_05) Game Type: archetype_race Navigate the frosty obstacles and race to the finish line!
FREEZY PEAK (round_iceclimb) Game Type: archetype_race Scale the frozen mountain to reach the finish line at the peak!
SKI FALL (round_skeefall) Game Type: archetype_race Jump through the holes to score points!
SNOWBALL SURVIVAL (round_snowballsurvival) Game Type: archetype_survival Try not to break the ice and don't fall out the bowl!
SNOWY SCRAP (round_snowy_scrap) Game Type: archetype_team Push your snowball through snow to grow it to max size!
PENGUIN PURSUIT (round_chicken_chase) Game Type: archetype_team Grab and hold onto a Penguin to score points for your team!
THIN ICE (round_thin_ice) Game Type: archetype_final Stay atop the cracking ice to avoid the slime below!
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