As a player gains experience in battle they unlock new planes and customizations called perks.

[4][5] Altitude is primarily an online game with some offline skirmish options and bot support.

The players are divided into two teams, competing for the highest kill total in a specified amount of time.

This game mode is similar to normal deathmatch, with the exception that players will not respawn until the round is completed.

The teams switch places after a number of rounds, swapping the attackers and defenders.