diff --git a/modpacks/simply/dev/config/modpack_defaults/config/preferred-gamerules.properties b/modpacks/simply/dev/config/modpack_defaults/config/preferred-gamerules.properties
new file mode 100755
index 000000000..27d743ead
--- /dev/null
+++ b/modpacks/simply/dev/config/modpack_defaults/config/preferred-gamerules.properties
@@ -0,0 +1,5 @@
+gamerule.legacyOffhandLimits=true
+gamerule.legacyMobcapLimits=true
+gamerule.legacyShieldControls=true
+gamerule.locatorBar=false
+gamerule.announceAdvancements=false