diff --git a/keyboards/gmmk/pro/ansi/keymaps/gigahawk/config.h b/keyboards/gmmk/pro/ansi/keymaps/gigahawk/config.h
new file mode 100644
index 0000000000..9ba8a7b1b7
--- /dev/null
+++ b/keyboards/gmmk/pro/ansi/keymaps/gigahawk/config.h
@@ -0,0 +1,6 @@
+// Copyright 2021 Jasper Chan (@Gigahawk)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#define RGB_MATRIX_STARTUP_MODE RGB_MATRIX_SOLID_COLOR
+#define RGB_MATRIX_STARTUP_SPD 0
diff --git a/keyboards/gmmk/pro/ansi/keymaps/gigahawk/keymap.c b/keyboards/gmmk/pro/ansi/keymaps/gigahawk/keymap.c
new file mode 100644
index 0000000000..8eedeb6e00
--- /dev/null
+++ b/keyboards/gmmk/pro/ansi/keymaps/gigahawk/keymap.c
@@ -0,0 +1,74 @@
+// Copyright 2021 Jasper Chan (@Gigahawk)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include QMK_KEYBOARD_H
+
+enum layers {
+    _BASE,
+    _GAME,
+    _TRAN,
+};
+
+#define _BASE_COLOR_RGB 156, 123, 85
+#define _GAME_COLOR_RGB 147, 21, 21
+#define _TRAN_COLOR_RGB 45, 89, 24
+#define _CAPS_COLOR_RGB 146, 140, 16
+
+// clang-format off
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_BASE] = LAYOUT(
+        KC_ESC,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_DEL,           KC_MUTE,
+        KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC,          KC_HOME,
+        KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,          KC_PGUP,
+        KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,           KC_PGDN,
+        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_UP,   KC_END,
+        KC_LCTL, KC_LGUI, KC_LALT,                            KC_SPC,                             KC_RALT, MO(2),   KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+
+    [_GAME] = LAYOUT(
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+        XXXXXXX, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,          _______,
+        _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______, _______,
+        _______, _______, _______,                            _______,                            _______, _______, _______, _______, _______, _______
+    ),
+
+    [_TRAN] = LAYOUT(
+        KC_CAPS, KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20,  KC_F21,  KC_F22,  KC_F23,  KC_F24,  KC_INS,           _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,
+        TG(1),   _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,          _______,
+        _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______, _______,
+        _______, _______, _______,                            KC_MPLY,                            _______, _______, _______, KC_MPRV, _______, KC_MNXT
+    ),
+
+};
+// clang-format on
+
+bool encoder_update_user(uint8_t index, bool clockwise) {
+    if (clockwise) {
+        tap_code(KC_VOLU);
+    } else {
+        tap_code(KC_VOLD);
+    }
+    return true;
+}
+
+void rgb_matrix_indicators_user(void) {
+    if (IS_LAYER_ON(_TRAN)) {
+        rgb_matrix_set_color_all(_TRAN_COLOR_RGB);
+    } else if (IS_LAYER_ON(_GAME)) {
+        rgb_matrix_set_color_all(_GAME_COLOR_RGB);
+    } else if (IS_LAYER_ON(_BASE)) {
+        rgb_matrix_set_color_all(_BASE_COLOR_RGB);
+    }
+
+    if (host_keyboard_led_state().caps_lock) {
+        for (uint8_t i = 0; i < DRIVER_LED_TOTAL; ++i) {
+            if (HAS_ANY_FLAGS(g_led_config.flags[i], LED_FLAG_UNDERGLOW)) {
+                rgb_matrix_set_color(i, _CAPS_COLOR_RGB);
+            }
+        }
+    }
+}