(*Warning - this page contains major spoilers. To maximise gameplay experience, new players are advised to stop reading further*)
Out There currently has 4 main missions to complete: Green, Red, Blue and Yellow. Each mission resolves the main storyline (the whole gameplay) differently and only one mission can be completed during each attempt. The missions are replayable even after they are completed.
Missions in Out There are basically checkpoints that the player must reach. Completing a mission ends the game. Missions are unlocked at different points throughout the game in the following order:
Yellow Mission (can be unlocked at any time after the game's start)