CoinKiller

CoinKiller is a level editor developed for New Super Mario Bros. 2. It provides a graphical interface that allows users to modify existing game levels or construct new ones by placing tiles, objects, and enemies within the game's coordinate system. The software is designed to interpret the specific file formats used by the game, enabling the manipulation of level geometry and entity placement.

This tool is intended for use on Linux platforms. It functions by loading game data files, presenting them in an editable layout, and saving the modifications back into a format compatible with the game engine. Users can adjust various parameters of the level design, including terrain layout and object properties, to create custom gameplay experiences within the established mechanics of the original title.