diff --git a/src/java/com/threerings/parlor/data/ChoiceParameter.java b/src/java/com/threerings/parlor/data/ChoiceParameter.java
new file mode 100644
index 00000000..c3b6d457
--- /dev/null
+++ b/src/java/com/threerings/parlor/data/ChoiceParameter.java
@@ -0,0 +1,39 @@
+//
+// $Id$
+
+package com.threerings.parlor.data;
+
+import com.threerings.util.ActionScript;
+
+/**
+ * Models a parameter that allows the selection of one of a list of choices (specified as strings).
+ */
+public class ChoiceParameter extends Parameter
+{
+    /** The set of choices available for this parameter. */
+    public String[] choices;
+
+    /** The starting selection. */
+    public String start;
+
+    /**
+     * Returns the translation key for the specified choice.
+     */
+    @ActionScript(omit=true)
+    public String getChoiceLabel (int index)
+    {
+        return "m.choice_" + choices[index];
+    }
+
+    @Override @ActionScript(omit=true) // documentation inherited
+    public String getLabel ()
+    {
+        return "m.choice_" + ident;
+    }
+
+    @Override // documentation inherited
+    public Object getDefaultValue ()
+    {
+        return start;
+    }
+}
diff --git a/src/java/com/threerings/parlor/data/Parameter.java b/src/java/com/threerings/parlor/data/Parameter.java
new file mode 100644
index 00000000..826439d3
--- /dev/null
+++ b/src/java/com/threerings/parlor/data/Parameter.java
@@ -0,0 +1,37 @@
+//
+// $Id$
+
+package com.threerings.parlor.data;
+
+import com.samskivert.util.StringUtil;
+
+import com.threerings.io.Streamable;
+
+/**
+ * Defines a configuration parameter for a game. Various derived classes exist that define
+ * particular types of configuration parameters including choices, toggles, ranges, etc.
+ */
+public abstract class Parameter implements Streamable
+{
+    /** A string identifier that names this parameter. */
+    public String ident;
+
+    /** A human readable name for this configuration parameter. */
+    public String name;
+
+    /** A human readable tooltip to display when the mouse is hovered over this configuration
+     * parameter. */
+    public String tip;
+
+    /** Returns the translation key for this parameter's label. */
+    public abstract String getLabel ();
+
+    /** Returns the default value of this parameter. */
+    public abstract Object getDefaultValue ();
+
+    /** Generates a string representation of this instance. */
+    public String toString ()
+    {
+        return StringUtil.fieldsToString(this);
+    }
+}
diff --git a/src/java/com/threerings/parlor/data/RangeParameter.java b/src/java/com/threerings/parlor/data/RangeParameter.java
new file mode 100644
index 00000000..9c683235
--- /dev/null
+++ b/src/java/com/threerings/parlor/data/RangeParameter.java
@@ -0,0 +1,33 @@
+//
+// $Id$
+
+package com.threerings.parlor.data;
+
+import com.threerings.util.ActionScript;
+
+/**
+ * Models a parameter that can contain an integer value in a specified range.
+ */
+public class RangeParameter extends Parameter
+{
+    /** The minimum value of this parameter. */
+    public int minimum;
+
+    /** The maximum value of this parameter. */
+    public int maximum;
+
+    /** The starting value for this parameter. */
+    public int start;
+
+    @Override @ActionScript(omit=true) // documentation inherited
+    public String getLabel ()
+    {
+        return "m.range_" + ident;
+    }
+
+    @Override // documentation inherited
+    public Object getDefaultValue ()
+    {
+        return start;
+    }
+}
diff --git a/src/java/com/threerings/parlor/data/ToggleParameter.java b/src/java/com/threerings/parlor/data/ToggleParameter.java
new file mode 100644
index 00000000..72c51b17
--- /dev/null
+++ b/src/java/com/threerings/parlor/data/ToggleParameter.java
@@ -0,0 +1,27 @@
+//
+// $Id$
+
+package com.threerings.parlor.data;
+
+import com.threerings.util.ActionScript;
+
+/**
+ * Models a parameter that allows the toggling of a single value.
+ */
+public class ToggleParameter extends Parameter
+{
+    /** The starting state for this parameter. */
+    public boolean start;
+
+    @Override @ActionScript(omit=true) // documentation inherited
+    public String getLabel ()
+    {
+        return "m.toggle_" + ident;
+    }
+
+    @Override // documentation inherited
+    public Object getDefaultValue ()
+    {
+        return start;
+    }
+}