Note: This procedure requires editing a game file; creating a backup copy of the file before proceeding is recommended. With a text editor, edit the "rts_cfg.h" file in the game folder. Locate the following line:
// // DIFFICULTY SETTINGS // // Damage coefficients for incoming damage for user in single player float EASY_DAMAGE = 0.5; float HARD_DAMAGE = 2.0;
Change the values to 0.0 to prevent damage to your ships. Note: You can still get damaged by remaining in certain nebulas.