|Humans||45||100||1||1||1||-10% experience requirements|
|Engi||50||100||2||0.5||1||+100% repair speed, -50% damage|
|Mantis||55||100||0.5||1.5||1.2||+50% damage, +20% movement, -50% repair|
|Rockmen||55||150||1||1||0.5||Immune to fire, -50% movement, +50% health|
|Zoltan||60||70||1||1||1||Adds 1 power to occupied system, explodes on death*, -30% health|
|Reveals adjacent rooms and crew of ships, immune to mind-control*|
Lockdown power, -50% suffocation damage, -20% movement, +25% health
Drains oxygen from occupied room, immune to suffocation, -20% movement
*Advanced Edition Content only
- A "ghost" race is hidden within the FTL files. According to the events file, they were to have been encountered by the player's crew during the exploration of a wrecked "ghost ship". It was also suspected to be found in the cancelled "Quarantine" sector. The "ghost" race is available with savegame editors and some mods.
- Health percentages built around base value of 100.