diff --git a/FlatLogicWorld/manifest.succ b/FlatLogicWorld/manifest.jecs
similarity index 100%
rename from FlatLogicWorld/manifest.succ
rename to FlatLogicWorld/manifest.jecs
diff --git a/FlatLogicWorld/palettes/Material Dark Blue.succ b/FlatLogicWorld/palettes/Material Dark Blue.jecs
similarity index 100%
rename from FlatLogicWorld/palettes/Material Dark Blue.succ
rename to FlatLogicWorld/palettes/Material Dark Blue.jecs
diff --git a/FlatLogicWorld/palettes/Material Dark Green.succ b/FlatLogicWorld/palettes/Material Dark Green.jecs
similarity index 100%
rename from FlatLogicWorld/palettes/Material Dark Green.succ
rename to FlatLogicWorld/palettes/Material Dark Green.jecs
diff --git a/FlatLogicWorld/palettes/Material Dark Orange.succ b/FlatLogicWorld/palettes/Material Dark Orange.jecs
similarity index 100%
rename from FlatLogicWorld/palettes/Material Dark Orange.succ
rename to FlatLogicWorld/palettes/Material Dark Orange.jecs
diff --git a/FlatLogicWorld/palettes/Material Dark Pink.succ b/FlatLogicWorld/palettes/Material Dark Pink.jecs
similarity index 100%
rename from FlatLogicWorld/palettes/Material Dark Pink.succ
rename to FlatLogicWorld/palettes/Material Dark Pink.jecs
diff --git a/FlatLogicWorld/palettes/Material Dark Purple.succ b/FlatLogicWorld/palettes/Material Dark Purple.jecs
similarity index 100%
rename from FlatLogicWorld/palettes/Material Dark Purple.succ
rename to FlatLogicWorld/palettes/Material Dark Purple.jecs
diff --git a/FlatLogicWorld/palettes/Material Dark Red.succ b/FlatLogicWorld/palettes/Material Dark Red.jecs
similarity index 100%
rename from FlatLogicWorld/palettes/Material Dark Red.succ
rename to FlatLogicWorld/palettes/Material Dark Red.jecs
diff --git a/FlatLogicWorld/palettes/Material Dark Teal.succ b/FlatLogicWorld/palettes/Material Dark Teal.jecs
similarity index 100%
rename from FlatLogicWorld/palettes/Material Dark Teal.succ
rename to FlatLogicWorld/palettes/Material Dark Teal.jecs