Ascent Spirit (Steam key) @ RU

After purchase, you will receive a KEY to activate the specified software product. Located in the 1940s, you are a French legionnaire in one of the last military balloons to observe the bay of Hanoi and ensure security in the area due to the early turmoil.
You will be separated from your ship and blown away by the winds. It is impossible to connect to your base or control the balloon, you finally hit Kawagarbo and throw it overboard.
Equipped with two improvised ice axes, your only chance to survive is to reach the top of this famous sacred mountain and return to your craft before the wind releases it.