|Appears in||Atroxian Realm|
|Usable||Once per level|
The Checkpoint is a new improvement in Galaxy Mods in general.
It first made an appearance in the Keen 4 mod Atroxian Realm created by Gridlock and programmed by Lemm.
Unlike the other Commander Keen games (including all hitherto existing mods), where you needed to pause the game and return to the main menu in order to manually save it, these checkpoints allow you to save the game during the level. But these checkpoints are temporary, as they stop working when Keen loses all of its lives.
The official help text states: