How Aviamasters X-mas works

Official description (this site's rendering)

You can change the Santa sleigh’s speed at your convenience and track its ever-changing flight path.

Official English text “You can change the Santa sleigh’s speed at your convenience and track its ever-changing flight path.”

Official description (this site's rendering)

Random ice obstacles spawn on the aircraft’s path every round. They divide your Counter Balance into 2 and lower the sleigh’s trajectory.

Official English text “Random ice obstacles spawn on the aircraft’s path every round. They divide your Counter Balance into 2 and lower the sleigh’s trajectory.”

Official description (this site's rendering)

+1, +2, +5, +10 and x2, x3, x4, x5 multipliers are randomly generated on Santa’s flight path every round. If the sleigh encounters them, it gains altitude.

Official English text “+1, +2, +5, +10 and x2, x3, x4, x5 multipliers are randomly generated on Santa’s flight path every round. If the sleigh encounters them, it gains altitude.”

Official description (this site's rendering)

When the sleigh lands on an ice floe, your end-of-round Counter Balance is applied to your overall Balance. If Santa lands in water, the round is considered lost.

Official English text “When the sleigh lands on an ice floe, your end-of-round Counter Balance is applied to your overall Balance. If Santa lands in water, the round is considered lost.”