What first-person shooter released in 1993 put players in the role of a space marine fighting off hordes of demons on the moons of Mars?
DOOM
Descent 3
Descent
Descent: FreeSpace
Descent 3
Descent
Descent: FreeSpace
Doom
Descent
Descent: The Fallen Lords
Descent: The Fall of Man
Descent 3
Doom
Descent: FreeSpace
Descent
Descent: Hell on Mars
Doom
Descent 3
Descent: Inferno
Descent: The Fall of Man
Descent: The Fallen Lords
Descent: FreeSpace
Descent
Descent: Freespace
Descent: Hell on Mars
Doom
Descent 3
Descent: Descent into Hell
Descent: Inferno
Descent
Descent: The Fall of Man
Descent, Descent: FreeSpace
Descent: FreeSpace
Descent: Bloodlines
Descent: The Fallen Lords
Descent, Descent 3
Descent: Freespace
Doom
Descent: Hell on Mars
Descent 3
Descent
Descent: Beyond the Beyond
Descent: Inferno
Descent: The Fall of Man
Descent: The Fallen Angel
Descent: Descent into Hell
Descent: FreeSpace
Doom
Descent: Bloodlines
Descent: Descent into the Chaos
Descent: The Fallen Lords
Descent: The Fallen Angels
Descent: Freespace
Descent, Descent: FreeSpace
Descent 3
Descent
Descent: Hell on Mars
Descent: The Fallen Planet
Descent II
Descent, Descent: Freespace
Descent: Beyond the Beyond
Descent: Nomads from Mars
Descent, Descent 3
Doom
Descent: Inferno
Descent: The Fall of Man
Descent: The Fallen Angel
Descent: FreeSpace
Descent: Descent to Mars
Descent: Bloodlines
Descent
Descent: Freespace
Descent: Beyond the Stars
Descent 3
Descent: Descent into Hell
Descent: The Fallen Lords
Descent: The Fallen Angels
Descent: Descent into the Chaos
Descent: Hell on Mars
Descent II
Descent: Nomad Souls
Descent: The Fallen Planet
Doom
Descent: Beyond the Beyond
Descent: Inferno
Descent 3: The Fall of Man
Descent: The Fall of Man
Descent: Beyond the Red Line
Descent: FreeSpace
Descent
Descent: The Fallen Angel
Descent: Bloodlines
Descent: Nomads from Mars
Descent 3
Descent: Freespace
Descent II
Descent: Descent into Hell
Doom
Descent 2
Descent: The Fallen Lords
Descent: Redemption
Descent: Beyond the Beyond
Descent: Descent into the Chaos
Descent
Descent: Descent to Mars
Descent: Inferno
Descent: Nomad Soul
Descent: Hell on Mars
Descent: FreeSpace
Descent: The Fall of Man
Descent: The Fallen Angel
Descent: Bloodlines
Descent 3
Descent: Descent to the Moon
Descent: Freespace
Doom
Descent: Nomad Souls
Descent II
Command & Conquer
Descent 2
Descent: Descent into Hell
Descent
Descent: The Fallen Lords
Descent: Nomads from Mars
Descent: The Fallen Angels
MechWarrior 2
Descent: Beyond the Beyond
Descent: Descent into the Chaos
Descent: Beyond the Stars
Descent 3
Descent: FreeSpace
Descent: FreeSpace 2
Doom
Descent: Bloodlines
Descent: The Fall of Man
Descent: A Space-Based Simulation
Descent: The Fallen Angel
System Shock 2
Descent II
Descent: Descent into the Zone
Descent: Freespace
Command & Conquer 3
Descent 2
Descent: Doom
Descent
Descent: Inferno
Descent: Descent into Hell
Descent: Nomad Soul
Descent: Beyond the Red Line
Descent: Hell on Mars
Descent 3: The Fall of Man
Descent: The Fallen Lords
Command & Conquer
Descent: Redemption
Descent: The Fallen Planet
Descent: Beyond the Beyond
Descent: The Fallen Angels
Doom
Descent 3
Descent: Nomad Souls
Descent: Descent into the Chaos
Descent: Immortal Survivor
Descent: FreeSpace
Descent II
Descent: Bloodlines
Descent: Nomads from Mars
System Shock 2
Descent: The Fall of Man
Descent: The Fallen Angel
Descent 2
Descent
Descent: Freespace
Command and Conquer: Red Alert
Descent: Implosion
Descent: Inferno
Descent: Descent into Hell
Descent: A Space-Based Simulation
Command & Conquer 3
Doom
Starship Troopers
Command & Conquer
Descent: The Fallen Lords
Descent 3
Descent 3: The Fallen Angel
Descent: Beyond the Beyond
Descent: Beyond the Stars
Descent: FreeSpace 2
Descent: FreeSpace
Descent
Descent: Nomad Soul
System Shock 2
Descent: Bloodlines
Descent: Hell on Mars
Descent 2
Descent: Descent to Mars
Descent: The Fall of Man
Descent: Freespace
Descent: The Fallen Angel
Descent II
Descent: Beyond the Red Line
Descent 3: The Fallen Moon