diff --git a/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/all.rs b/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/all.rs
index d243cdf45..accb6b75a 100644
--- a/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/all.rs
+++ b/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/all.rs
@@ -2,6 +2,7 @@ use crate::ast::{Environment, Value};
 use crate::interpreter::introspection::{get_type_name, is_truthy};
 use alloc::format;
 use alloc::string::String;
+use alloc::string::ToString;
 use alloc::sync::Arc;
 use spin::RwLock;
 
@@ -22,6 +23,7 @@ pub fn builtin_all(_env: &Arc<RwLock<Environment>>, args: &[Value]) -> Result<Va
         Value::Tuple(t) => t.clone(),
         Value::Set(s) => s.read().iter().cloned().collect(),
         Value::Dictionary(d) => d.read().keys().cloned().collect(),
+        Value::String(s) => s.chars().map(|c| Value::String(c.to_string())).collect(),
         _ => {
             return Err(format!(
                 "'{}' object is not iterable",
diff --git a/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/any.rs b/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/any.rs
index dbee812ae..185d59066 100644
--- a/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/any.rs
+++ b/implants/lib/eldritchv2/eldritch-core/src/interpreter/builtins/any.rs
@@ -2,6 +2,7 @@ use crate::ast::{Environment, Value};
 use crate::interpreter::introspection::{get_type_name, is_truthy};
 use alloc::format;
 use alloc::string::String;
+use alloc::string::ToString;
 use alloc::sync::Arc;
 use spin::RwLock;
 
@@ -22,6 +23,7 @@ pub fn builtin_any(_env: &Arc<RwLock<Environment>>, args: &[Value]) -> Result<Va
         Value::Tuple(t) => t.clone(),
         Value::Set(s) => s.read().iter().cloned().collect(),
         Value::Dictionary(d) => d.read().keys().cloned().collect(),
+        Value::String(s) => s.chars().map(|c| Value::String(c.to_string())).collect(),
         _ => {
             return Err(format!(
                 "'{}' object is not iterable",
diff --git a/implants/lib/eldritchv2/eldritch-core/tests/builtins_extended.rs b/implants/lib/eldritchv2/eldritch-core/tests/builtins_extended.rs
new file mode 100644
index 000000000..1185a3dc6
--- /dev/null
+++ b/implants/lib/eldritchv2/eldritch-core/tests/builtins_extended.rs
@@ -0,0 +1,142 @@
+mod assert;
+
+#[test]
+fn test_any_extended() {
+    // Strings
+    assert::pass("assert(any('abc') == True)");
+    assert::pass("assert(any('') == False)");
+
+    // Lists
+    assert::pass("assert(any([False, True, False]) == True)");
+    assert::pass("assert(any([False, False]) == False)");
+    assert::pass("assert(any([]) == False)");
+
+    // Sets
+    assert::pass("assert(any({False, True}) == True)");
+    assert::pass("assert(any({False}) == False)");
+    assert::pass("assert(any(set()) == False)");
+}
+
+#[test]
+fn test_all_extended() {
+    // Strings
+    assert::pass("assert(all('abc') == True)");
+    assert::pass("assert(all('') == True)");
+
+    // Lists
+    assert::pass("assert(all([True, True]) == True)");
+    assert::pass("assert(all([True, False]) == False)");
+    assert::pass("assert(all([]) == True)");
+
+    // Sets
+    assert::pass("assert(all({True}) == True)");
+    assert::pass("assert(all({True, False}) == False)");
+    assert::pass("assert(all(set()) == True)");
+}
+
+#[test]
+fn test_map_extended() {
+    // map with different length iterables (not supported yet, checking fail/behavior)
+    // Python supports it, stops at shortest. Eldritch map takes exactly 2 args (func, iterable).
+    // So we can only test single iterable map for now.
+
+    // Test mapping over string
+    assert::pass(
+        r#"
+        res = map(lambda x: x + x, "abc")
+        assert_eq(res, ["aa", "bb", "cc"])
+    "#,
+    );
+
+    // Test mapping over empty list
+    assert::pass(
+        r#"
+        res = map(lambda x: x, [])
+        assert_eq(res, [])
+    "#,
+    );
+}
+
+#[test]
+fn test_filter_extended() {
+    // Filter string
+    assert::pass(
+        r#"
+        res = filter(lambda x: x != "b", "abc")
+        assert_eq(res, ["a", "c"])
+    "#,
+    );
+
+    // Filter None with string
+    assert::pass(
+        r#"
+        res = filter(None, "abc")
+        assert_eq(res, ["a", "b", "c"])
+    "#,
+    );
+}
+
+#[test]
+fn test_zip_extended() {
+    // Zip strings
+    assert::pass(
+        r#"
+        z = zip("ab", "cd")
+        assert_eq(z, [("a", "c"), ("b", "d")])
+    "#,
+    );
+
+    // Zip string and list
+    assert::pass(
+        r#"
+        z = zip("ab", [1, 2])
+        assert_eq(z, [("a", 1), ("b", 2)])
+    "#,
+    );
+}
+
+#[test]
+fn test_sorted_extended() {
+    // Reverse
+    assert::pass(
+        r#"
+        l = [1, 3, 2]
+        res = sorted(l, reverse=True)
+        assert_eq(res, [3, 2, 1])
+    "#,
+    );
+
+    // Key
+    assert::pass(
+        r#"
+        l = ["ccc", "a", "bb"]
+        res = sorted(l, key=len)
+        assert_eq(res, ["a", "bb", "ccc"])
+    "#,
+    );
+
+    // Key and Reverse
+    assert::pass(
+        r#"
+        l = ["ccc", "a", "bb"]
+        res = sorted(l, key=len, reverse=True)
+        assert_eq(res, ["ccc", "bb", "a"])
+    "#,
+    );
+
+    // Sorting string (returns list of chars)
+    assert::pass(
+        r#"
+        s = "bca"
+        res = sorted(s)
+        assert_eq(res, ["a", "b", "c"])
+    "#,
+    );
+}
+
+#[test]
+fn test_max_min_extended() {
+    // String
+    assert::pass("assert(max('abc') == 'c')");
+    assert::pass("assert(min('abc') == 'a')");
+}