RPG Maker is a program that allows users to create their own role-playing video games.Most versions include a tile set based map editor (tilesets are called chipsets in pre-XP versions), a simple scripting language for scripting events, and a battle editor.
RMXP runs at 1024x768 resolution (though games made in it run at 640x480), while offering four times the playable area of its predecessors.
Additionally, it allows greater user control over sprite size (there is no specific image size regulation for sprite sheets) and other aspects of game design.
This more open-ended arrangement, coupled with the inclusion of the Ruby Game Scripting System (RGSS), makes RPG Maker XP more versatile than older versions in the series, at the cost of a steeper learning curve.
While it is possible to do more with RM2k, it uses lower resolution sprites and tiles than RPG Maker 95.
However, it does not have a noticeable limit of 'sprites'.
RPG Maker 2003, also referred to as RM2k3, and sometimes RM2k/3, is largely an improvement of RM2k.