diff --git a/keyboards/zwerg/keyboard.json b/keyboards/zwerg/keyboard.json
new file mode 100644
index 00000000000..a039d0fa392
--- /dev/null
+++ b/keyboards/zwerg/keyboard.json
@@ -0,0 +1,99 @@
+{
+    "manufacturer": "floookay",
+    "keyboard_name": "zwerg",
+    "maintainer": "floookay",
+    "bootloader_instructions": "Press the reset button on the Gemini controller or right-side-bottom-right + esc",
+    "tags": ["ortho", "split", "40%", "OSHW"],
+    "processor": "RP2040",
+    "bootloader": "rp2040",
+    "diode_direction": "ROW2COL",
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true
+    },
+    "matrix_pins": {
+        "cols": ["GP8", "GP7", "GP6", "GP5", "GP4", "GP3"],
+        "rows": ["GP28", "GP27", "GP26", "GP15", "GP14"]
+    },
+    "split": {
+        "enabled": true,
+        "serial": {
+            "driver": "vendor",
+            "pin": "GP13"
+        }
+    },
+    "usb": {
+        "device_version": "1.0.0",
+        "pid": "0x7EEE",
+        "vid": "0xF100"
+    },
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"matrix": [0, 0], "x": 0, "y": 0},
+                {"matrix": [0, 1], "x": 1, "y": 0},
+                {"matrix": [0, 2], "x": 2, "y": 0},
+                {"matrix": [0, 3], "x": 3, "y": 0},
+                {"matrix": [0, 4], "x": 4, "y": 0},
+                {"matrix": [0, 5], "x": 5, "y": 0},
+
+                {"matrix": [5, 5], "x": 8, "y": 0},
+                {"matrix": [5, 4], "x": 9, "y": 0},
+                {"matrix": [5, 3], "x": 10, "y": 0},
+                {"matrix": [5, 2], "x": 11, "y": 0},
+                {"matrix": [5, 1], "x": 12, "y": 0},
+                {"matrix": [5, 0], "x": 13, "y": 0},
+
+                {"matrix": [1, 0], "x": 0, "y": 1},
+                {"matrix": [1, 1], "x": 1, "y": 1},
+                {"matrix": [1, 2], "x": 2, "y": 1},
+                {"matrix": [1, 3], "x": 3, "y": 1},
+                {"matrix": [1, 4], "x": 4, "y": 1},
+                {"matrix": [1, 5], "x": 5, "y": 1},
+
+                {"matrix": [6, 5], "x": 8, "y": 1},
+                {"matrix": [6, 4], "x": 9, "y": 1},
+                {"matrix": [6, 3], "x": 10, "y": 1},
+                {"matrix": [6, 2], "x": 11, "y": 1},
+                {"matrix": [6, 1], "x": 12, "y": 1},
+                {"matrix": [6, 0], "x": 13, "y": 1},
+
+                {"matrix": [2, 0], "x": 0, "y": 2},
+                {"matrix": [2, 1], "x": 1, "y": 2},
+                {"matrix": [2, 2], "x": 2, "y": 2},
+                {"matrix": [2, 3], "x": 3, "y": 2},
+                {"matrix": [2, 4], "x": 4, "y": 2},
+                {"matrix": [2, 5], "x": 5, "y": 2},
+
+                {"matrix": [7, 5], "x": 8, "y": 2},
+                {"matrix": [7, 4], "x": 9, "y": 2},
+                {"matrix": [7, 3], "x": 10, "y": 2},
+                {"matrix": [7, 2], "x": 11, "y": 2},
+                {"matrix": [7, 1], "x": 12, "y": 2},
+                {"matrix": [7, 0], "x": 13, "y": 2},
+
+                {"matrix": [3, 0], "x": 0, "y": 3},
+                {"matrix": [3, 1], "x": 1, "y": 3},
+                {"matrix": [3, 2], "x": 2, "y": 3},
+                {"matrix": [3, 3], "x": 3, "y": 3},
+                {"matrix": [3, 4], "x": 4, "y": 3},
+
+                {"matrix": [8, 4], "x": 9, "y": 3},
+                {"matrix": [8, 3], "x": 10, "y": 3},
+                {"matrix": [8, 2], "x": 11, "y": 3},
+                {"matrix": [8, 1], "x": 12, "y": 3},
+                {"matrix": [8, 0], "x": 13, "y": 3},
+
+                {"matrix": [4, 4], "x": 5, "y": 5, "h": 1.5},
+                {"matrix": [4, 5], "x": 6, "y": 5, "h": 1.5},
+
+                {"matrix": [9, 5], "x": 8, "y": 5, "h": 1.5},
+                {"matrix": [9, 4], "x": 9, "y": 5, "h": 1.5}
+            ]
+        }
+    }
+}
diff --git a/keyboards/zwerg/keymaps/default/keymap.c b/keyboards/zwerg/keymaps/default/keymap.c
new file mode 100644
index 00000000000..81132bbe968
--- /dev/null
+++ b/keyboards/zwerg/keymaps/default/keymap.c
@@ -0,0 +1,48 @@
+// Copyright 2025 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+     /*
+      * ┌───┬───┬───┬───┬───┬───┐               ┌───┬───┬───┬───┬───┬───┐
+      * │Tab│ Q │ W │ E │ R │ T │               │ Y │ U │ I │ O │ P │Bsp│
+      * ├───┼───┼───┼───┼───┼───┤               ├───┼───┼───┼───┼───┼───┤
+      * │Ctl│ A │ S │ D │ F │ G │               │ H │ J │ K │ L │ ; │ ' │
+      * ├───┼───┼───┼───┼───┼───┤               ├───┼───┼───┼───┼───┼───┤
+      * │Sft│ Z │ X │ C │ V │ B │               │ N │ M │ , │ . │ / │Sft│
+      * ├───┼───┼───┼───┼───┼───┘               └───┼───┼───┼───┼───┼───┤
+      * │Esc│lsu│rcl│Alt│Rai| ┌───┬───┐   ┌───┬───┐ │Low│AGr│Men│rcl│Cnf│
+      * └───┴───┴───┴───┴───┘ │Spc│Del│   │Ent│Spc│ └───┴───┴───┴───┴───┘
+      *                       │   │   │   │   │   │
+      *                       └───┴───┘   └───┴───┘
+      */
+    [0] = LAYOUT(
+        KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,           KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
+        KC_LCTL, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,           KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
+        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,           KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
+        KC_ESC,  KC_LGUI, KC_RCTL, KC_LALT, MO(2),                            MO(1),   KC_RALT, KC_APP,  KC_RCTL, MO(3),
+                                            KC_SPC,  KC_DEL,         KC_ENT,  KC_SPC
+    ),
+    [1] = LAYOUT(
+        _______, _______, KC_VOLU, KC_MUTE, KC_VOLD, _______,        _______, KC_PGUP, KC_UP,   KC_PGDN, _______, _______,
+        _______, _______, KC_MPRV, KC_MPLY, KC_MNXT, _______,        KC_HOME, KC_LEFT, KC_DOWN, KC_RGHT, KC_END,  _______,
+        _______, _______, _______, KC_MSTP, _______, _______,        _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______,                          _______, _______, _______, _______, _______,
+                                            _______, _______,        _______, _______
+    ),
+    [2] = LAYOUT(
+        KC_F12,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,          KC_F6,   KC_F7,   KC_F8,  KC_F9,    KC_F10,  KC_F11,
+        _______, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,           KC_6,    KC_7,    KC_8,   KC_9,     KC_0,    _______,
+        _______, _______, _______, _______, _______, _______,        _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______,                          _______, _______, _______, _______, _______,
+                                            _______, _______,        _______, _______
+    ),
+    [3] = LAYOUT(
+        _______, _______, _______, _______, _______, _______,        _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,        _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,        _______, _______, _______, _______, _______, _______,
+        QK_BOOT, _______, _______, _______, _______,                          _______, _______, _______, _______, _______,
+                                            _______, _______,        _______, _______
+    )
+};
diff --git a/keyboards/zwerg/readme.md b/keyboards/zwerg/readme.md
new file mode 100644
index 00000000000..5fe045bffc1
--- /dev/null
+++ b/keyboards/zwerg/readme.md
@@ -0,0 +1,27 @@
+# zwerg
+
+![zwerg](https://i.imgur.com/hkFLvd2.jpeg)
+
+A 40% ortholinear split keyboard.
+
+* Keyboard Maintainer: [floookay](https://github.com/floookay)
+* Hardware Supported: zwerg pcbs with 0xcb Gemini
+* Hardware Availability: <https://github.com/floookay/zwerg>
+
+Make example for this keyboard (after setting up your build environment):
+
+    make zwerg:default
+
+Flashing example for this keyboard:
+
+    make zwerg:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the Gemini controller
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available