diff --git a/Aquaria/Mod.cpp b/Aquaria/Mod.cpp
index 8250085..268c84e 100644
--- a/Aquaria/Mod.cpp
+++ b/Aquaria/Mod.cpp
@@ -358,7 +358,10 @@ ModType Mod::getTypeFromXML(XMLElement *xml) // should be <AquariaMod>...</Aquar
 
 bool Mod::loadCompatScript()
 {
-	if(!compatScript.length() || dsq->runScript("scripts/compat/" + compatScript + ".lua"))
+	std::string cs = compatScript.c_str();
+	if(cs.empty())
+		cs = "default";
+	if(dsq->runScript("scripts/compat/" + cs + ".lua"))
 		return true;
 
 	dsq->scriptInterface.reset();
diff --git a/files/scripts/compat/default.lua b/files/scripts/compat/default.lua
new file mode 100644
index 0000000..f3dd87e
--- /dev/null
+++ b/files/scripts/compat/default.lua
@@ -0,0 +1,5 @@
+-- Loaded when mod compat setting is empty or does not exist.
+-- Does a few basic adjustments but does not offer compatbility with legacy mods.
+-- (In this case and for 1.1.x/Steam compatibility, use "legacy" or "legacy-strict")
+
+dofile("scripts/compat/internal/osestubs.lua")
diff --git a/files/scripts/compat/forward-compatible.lua b/files/scripts/compat/forward-compatible.lua
index 92a7c8a..2c0e60c 100644
--- a/files/scripts/compat/forward-compatible.lua
+++ b/files/scripts/compat/forward-compatible.lua
@@ -1,5 +1,7 @@
 -- Removes more functions than to no-deprecated
 -- Some original game scripts will not work with this!
+-- This is fine to use when developing a mod, but do NOT distribute a mod with this set!
+-- (Consider using "no-deprecated", "default", "none" or simply leave the compat tag away)
 
 dofile("scripts/compat/no-deprecated.lua")
 
diff --git a/files/scripts/compat/internal/oldfunctions.lua b/files/scripts/compat/internal/oldfunctions.lua
index 1b6d9db..07359ea 100644
--- a/files/scripts/compat/internal/oldfunctions.lua
+++ b/files/scripts/compat/internal/oldfunctions.lua
@@ -3,6 +3,8 @@
 -- Most that had no function are dummied out, some existed but threw errors,
 -- and others were registered under different names.
 
+local util = dofile("scripts/compat/internal/util.lua")
+
 local NULLREF = 0
 
 -- these did something but are now gone
@@ -88,7 +90,7 @@ end
 local REPLACED_FUNCTIONS =
 {
     -- alternate names, old name on the left, new name on the right
-    -- (Might want tp use the name on the right, they existed in 1.1.1 already)
+    -- (Might want to use the name on the right, they existed in 1.1.1 already)
     entity_getPositionX = entity_x,
     entity_getPositionY = entity_y,
     entity_applyRandomForce = entity_addRandomVel,
@@ -113,52 +115,8 @@ local REPLACED_FUNCTIONS =
     entity_watchSwimToEntitySide = entity_watchSwimToEntitySide,
 }
 
-----------------------------------------------------
----- Functors to generate replacement function -----
-----------------------------------------------------
 
-local warnLog = (isDeveloperKeys() and errorLog) or debugLog
-
--- generate function that warns when called and returns nil
-local function warndummy(name)
-    warnLog("Dummy function: " .. name .. "() - no longer present in the current API, fix the script!")
-end
-local function mkwarn(name)
-    return function() warndummy(name) end
-end
-
--- generate function that warns when called and returns a non-nil fixed value
-local function mkwarnret(name, param)
-    return function() warndummy(name) return param end
-end
-
--- generate silent dummy that does nothing when called and returns nil
-local function dummy() end
-local function mkdummy(name, param)
-    return dummy
-end
-
-
--- register existing function under a different name
-local function mkalias(name, param)
-    return assert(param, name)
-end
-
-local function makestubs(tab, gen)
-    for name, param in pairs(tab) do
-        if rawget(_G, name) then
-            errorLog("WARNING: oldfunctions.lua: function " .. name .. " already exists")
-        else
-            local f = gen(name, param)
-            rawset(_G, name, f)
-        end
-    end
-end
-
-----------------
----- Do it! ----
-----------------
-makestubs(WARN_FUNCTIONS, mkwarn)
-makestubs(WARN_FUNCTIONS_VAL, mkwarnret)
-makestubs(DUMMY_FUNCTIONS, mkdummy)
-makestubs(REPLACED_FUNCTIONS, mkalias)
+util.makestubs(WARN_FUNCTIONS, util.mkwarn)
+util.makestubs(WARN_FUNCTIONS_VAL, util.mkwarnret)
+util.makestubs(DUMMY_FUNCTIONS, util.mkdummy)
+util.makestubs(REPLACED_FUNCTIONS, util.mkalias)
diff --git a/files/scripts/compat/internal/osestubs.lua b/files/scripts/compat/internal/osestubs.lua
new file mode 100644
index 0000000..54f6ae8
--- /dev/null
+++ b/files/scripts/compat/internal/osestubs.lua
@@ -0,0 +1,23 @@
+-- This takes care of providing some deprecated functions that were added and later removed again
+-- in the OSE version of Aquaria.
+
+local util = dofile("scripts/compat/internal/util.lua")
+
+local WARN_FUNCTIONS = {
+    -- git commit f466e1e7c8d0a0a3ea40048a0a944419f9373dfb
+    obj_setOverrideRenderPass = true,
+    quad_setOverrideRenderPass = true,
+    bone_setOverrideRenderPass = true,
+    shot_setOverrideRenderPass = true,
+    beam_setOverrideRenderPass = true,
+    web_setOverrideRenderPass = true,
+    text_setOverrideRenderPass = true,
+    pe_setOverrideRenderPass = true,
+}
+
+local REPLACED_FUNCTIONS = {
+    entity_setOverrideRenderPass = entity_setRenderPass,
+}
+
+util.makestubs(WARN_FUNCTIONS, util.mkwarn)
+util.makestubs(REPLACED_FUNCTIONS, util.mkalias)
diff --git a/files/scripts/compat/internal/util.lua b/files/scripts/compat/internal/util.lua
new file mode 100644
index 0000000..7675e4d
--- /dev/null
+++ b/files/scripts/compat/internal/util.lua
@@ -0,0 +1,53 @@
+----------------------------------------------------
+---- Functors to generate replacement functions -----
+----------------------------------------------------
+
+local warnLog = (isDeveloperKeys() and errorLog) or debugLog
+
+-- generate function that warns when called and returns nil
+local function warndummy(name)
+    warnLog("Dummy function: " .. name .. "() - no longer present in the current API, fix the script!")
+end
+local function mkwarn(name)
+    return function() warndummy(name) end
+end
+
+-- generate function that warns when called and returns a non-nil fixed value
+local function mkwarnret(name, param)
+    return function() warndummy(name) return param end
+end
+
+-- generate silent dummy that does nothing when called and returns nil
+local function dummy() end
+local function mkdummy(name)
+    return dummy
+end
+
+
+-- register existing function under a different name
+local function mkalias(name, param)
+    if type(param) == "string" then
+        param = _G[param]
+    end
+    return assert(param, name)
+end
+
+local function makestubs(tab, gen)
+    for name, param in pairs(tab) do
+        if rawget(_G, name) then
+            errorLog("WARNING: oldfunctions.lua: function " .. name .. " already exists")
+        else
+            local f = gen(name, param)
+            rawset(_G, name, f)
+        end
+    end
+end
+
+return {
+    warnLog = warnLog,
+    warndummy = warndummy,
+    mkwarn = mkwarn,
+    mkdummy = mkdummy,
+    mkalias = mkalias,
+    makestubs = makestubs,
+}
diff --git a/files/scripts/compat/none.lua b/files/scripts/compat/none.lua
new file mode 100644
index 0000000..6e7e9dc
--- /dev/null
+++ b/files/scripts/compat/none.lua
@@ -0,0 +1,2 @@
+-- No compatibility layer at all.
+-- Don't do anything here.