An Iconic sign:

1. the human (man)
2. the gun
3. coat

An indexical sign:

1. The word “battle field” links to the game relating to a battle field, linking to the sound of a battle.
2. The gun links to a gun shot.
3. The orange beam of light behind the man, links to the sun, as the color orange replicates a sunset.
4. The word “space” links to non-human planet.

A symbolic Sign:

1. The word “indie” could arguably link to country India.
2. The font color of game is dark (black), which links to coldness and gives off an eerie atmosphere.
3. The letters/words
4. The heading