N 1.3 was the sixth update to N from Metanet and introduced a lot of improvements from 1.2. To quote Metanet's website:
- fixed blurry text - improved post-death ragdoll collision - improved enemy AI refresh rate - added "shuffled" mainmenu replays - added online highscores - added internal personal best system - added practice mode (no time limit) - added unlockable secret mode - added deathlog - added "boss mode" (lowers cpu usage) - added visual quality selection - added sound volume control - added 150 new levels (30 new episodes) - added numpad 0 or Insert accesses object editing in Ned - added new episode completion images - added new credits page art - modified save player progress
There were 3 versions of 1.3: 1.3a, 1.3b and the final 1.3c.