diff --git a/programs/games/nsider/include/DRAW2D.H b/programs/games/nsider/include/Draw2D.h
similarity index 100%
rename from programs/games/nsider/include/DRAW2D.H
rename to programs/games/nsider/include/Draw2D.h
diff --git a/programs/games/nsider/include/LEVELS.H b/programs/games/nsider/include/Levels.h
similarity index 100%
rename from programs/games/nsider/include/LEVELS.H
rename to programs/games/nsider/include/Levels.h
diff --git a/programs/games/nsider/include/SHIMATH.H b/programs/games/nsider/include/Shimath.h
similarity index 100%
rename from programs/games/nsider/include/SHIMATH.H
rename to programs/games/nsider/include/Shimath.h