diff --git a/keyboards/preonic/keymaps/0xdec/Makefile b/keyboards/preonic/keymaps/0xdec/Makefile
new file mode 100644
index 000000000..6600e3689
--- /dev/null
+++ b/keyboards/preonic/keymaps/0xdec/Makefile
@@ -0,0 +1,21 @@
+# Build Options
+
+BOOTMAGIC_ENABLE  = no  # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE   = yes # Mouse keys(+4700)
+EXTRAKEY_ENABLE   = yes # Audio control and System control(+450)
+CONSOLE_ENABLE    = no  # Console for debug(+400)
+COMMAND_ENABLE    = yes # Commands for debug and configuration
+NKRO_ENABLE       = yes # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE  = yes # Enable keyboard backlight functionality
+MIDI_ENABLE       = no  # MIDI controls
+AUDIO_ENABLE      = yes # Audio output on port C6
+UNICODE_ENABLE    = no  # Unicode
+BLUETOOTH_ENABLE  = no  # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE   = no  # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
+
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE  = no  # Breathing sleep LED during USB suspend
+
+ifndef QUANTUM_DIR
+  include ../../../../Makefile
+endif
diff --git a/keyboards/preonic/keymaps/0xdec/README.md b/keyboards/preonic/keymaps/0xdec/README.md
new file mode 100644
index 000000000..603d3d455
--- /dev/null
+++ b/keyboards/preonic/keymaps/0xdec/README.md
@@ -0,0 +1,30 @@
+Ergonomic Colemak Keymap
+========================
+An ergonomically optimized Colemak keymap for the grid-layout Preonic
+
+Modes
+----------
+
+#### Colemak
+
+> Base layer
+
+- All alphanumerics and symbols available on the base layer
+
+----------
+
+#### Game
+
+> QWERTY layout for use with games or number entry
+
+- Standard QWERTY layout
+- Integrated right-hand numpad in phone layout
+
+----------
+
+#### Function (Raise)
+
+> Functions and mode switching
+
+- Turns NEIO into arrow cluster, with nav cluster below (Home, Page Down, Page Up, End)
+- Reset key at lower left (Esc)
diff --git a/keyboards/preonic/keymaps/0xdec/config.h b/keyboards/preonic/keymaps/0xdec/config.h
new file mode 100644
index 000000000..5fc9b6f34
--- /dev/null
+++ b/keyboards/preonic/keymaps/0xdec/config.h
@@ -0,0 +1,10 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+// Number of backlight levels
+#undef  BACKLIGHT_LEVELS
+#define BACKLIGHT_LEVELS 5
+
+#endif
diff --git a/keyboards/preonic/keymaps/0xdec/keymap.c b/keyboards/preonic/keymaps/0xdec/keymap.c
new file mode 100644
index 000000000..6c4b8a6fa
--- /dev/null
+++ b/keyboards/preonic/keymaps/0xdec/keymap.c
@@ -0,0 +1,173 @@
+#include "preonic.h"
+#include "action_layer.h"
+#include "eeconfig.h"
+#ifdef AUDIO_ENABLE
+  #include "audio.h"
+#endif
+
+// Layer names
+#define _COLEMAK 0
+#define _GAME 1
+#define _RAISE 2
+
+enum preonic_keycodes {
+  COLEMAK = SAFE_RANGE,
+  GAME,
+  RAISE
+};
+
+// Fillers to make layering more clear
+#define _______ KC_TRNS
+#define XXXXXXX KC_NO
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Colemak
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |   \  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |   =  |   Q  |   W  |   F  |   P  |   G  |   J  |   L  |   U  |   Y  |   [  |   ]  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |   -  |   A  |   R  |   S  |   T  |   D  |   H  |   N  |   E  |   I  |   O  |   '  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |   ;  |   Z  |   X  |   C  |   V  |   B  |   K  |   M  |   ,  |   .  |   /  | ENTER|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | ESC  | ALT  | GUI  | SHIFT| CTRL | BKSP | SPACE| RAISE| SHIFT|      | DEL  | TAB  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_COLEMAK] = {
+  {KC_GRV ,KC_1   ,KC_2   ,KC_3   ,KC_4   ,KC_5   ,KC_6   ,KC_7   ,KC_8   ,KC_9   ,KC_0   ,KC_BSLS},
+  {KC_EQL ,KC_Q   ,KC_W   ,KC_F   ,KC_P   ,KC_G   ,KC_J   ,KC_L   ,KC_U   ,KC_Y   ,KC_LBRC,KC_RBRC},
+  {KC_MINS,KC_A   ,KC_R   ,KC_S   ,KC_T   ,KC_D   ,KC_H   ,KC_N   ,KC_E   ,KC_I   ,KC_O   ,KC_QUOT},
+  {KC_SCLN,KC_Z   ,KC_X   ,KC_C   ,KC_V   ,KC_B   ,KC_K   ,KC_M   ,KC_COMM,KC_DOT ,KC_SLSH,KC_ENT },
+  {KC_ESC ,KC_LALT,KC_LGUI,KC_LSFT,KC_LCTL,KC_BSPC,KC_SPC ,RAISE  ,KC_RSFT,_______,KC_DEL ,KC_TAB }
+},
+
+/* Game
+ * ,-----------------------------------------------------------------------------------.
+ * | ESC  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |NUM LK|   ÷  |   ×  |   -  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+
+ * | TAB  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   1  |   2  |   3  |   +  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+
+ * | CTRL |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   4  |   5  |   6  |   =  |
+ * |------+------+------+------+------+------+------+------+------+------+------+------+
+ * | SHIFT|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   7  |   8  |   9  | ENTER|
+ * |------+------+------+------+------+------+------+------+------+------+------+------+
+ * |      | ALT  | GUI  | SPACE| CTRL | BKSP | SPACE| RAISE|   ,  |   0  |   .  | TAB  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_GAME] = {
+  {KC_ESC ,KC_1   ,KC_2   ,KC_3   ,KC_4   ,KC_5   ,KC_6   ,KC_7   ,KC_NLCK,KC_PSLS,KC_PAST,KC_PMNS},
+  {KC_TAB ,KC_Q   ,KC_W   ,KC_E   ,KC_R   ,KC_T   ,KC_Y   ,KC_U   ,KC_P1  ,KC_P2  ,KC_P3  ,KC_PPLS},
+  {KC_LCTL,KC_A   ,KC_S   ,KC_D   ,KC_F   ,KC_G   ,KC_H   ,KC_J   ,KC_P4  ,KC_P5  ,KC_P6  ,KC_PEQL},
+  {KC_LSFT,KC_Z   ,KC_X   ,KC_C   ,KC_V   ,KC_B   ,KC_N   ,KC_M   ,KC_P7  ,KC_P8  ,KC_P9  ,KC_PENT},
+  {XXXXXXX,KC_LALT,KC_LGUI,KC_SPC ,KC_LCTL,KC_BSPC,KC_SPC ,RAISE  ,KC_PCMM,KC_P0  ,KC_PDOT,KC_TAB }
+},
+
+/* Raise
+ * ,-----------------------------------------------------------------------------------.
+ * | SLEEP|  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  |  F10 |PRTSCR|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | SYM  |  F11 |  F12 |      |AU TOG| VOL+ |BL INC|COLMAK| GAME | MUSIC| MENU |SCRLCK|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | CAPS | PREV | STOP | PLAY | NEXT | VOL- |BL DEC| LEFT | DOWN |  UP  | RIGHT| PAUSE|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      | BACK | STOP | RFRSH| FRWRD| MUTE |BL TOG| HOME | PGDN | PGUP | END  |INSERT|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | RESET|      |      |      |      | DEL  |      |      |      |      |      |      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_RAISE] = {
+  {KC_SLEP,KC_F1  ,KC_F2  ,KC_F3  ,KC_F4  ,KC_F5  ,KC_F6  ,KC_F7  ,KC_F8  ,KC_F9  ,KC_F10 ,KC_PSCR},
+  {XXXXXXX,KC_F11 ,KC_F12 ,XXXXXXX,AU_TOG ,KC_VOLU,BL_INC ,COLEMAK,GAME   ,MU_TOG ,KC_MENU,KC_SLCK},
+  {KC_CAPS,KC_MPRV,KC_MSTP,KC_MPLY,KC_MNXT,KC_VOLD,BL_DEC ,KC_LEFT,KC_DOWN,KC_UP  ,KC_RGHT,KC_PAUS},
+  {XXXXXXX,KC_WBAK,KC_WSTP,KC_WREF,KC_WFWD,KC_MUTE,BL_TOGG,KC_HOME,KC_PGDN,KC_PGUP,KC_END ,KC_INS },
+  {RESET  ,_______,_______,_______,_______,KC_DEL ,_______,_______,_______,_______,_______,_______}
+}
+
+};
+
+
+
+#ifdef AUDIO_ENABLE
+
+float tone_startup[][2] = {
+  {NOTE_B5, 20},
+  {NOTE_B6, 8},
+  {NOTE_DS6, 20},
+  {NOTE_B6, 8}
+};
+float tone_colemak[][2] = SONG(COLEMAK_SOUND);
+float tone_game[][2]    = {
+  {NOTE_E6, 10}   ,{NOTE_E6, 10}  ,{NOTE_REST, 10} ,{NOTE_E6, 10}   ,
+  {NOTE_REST, 10} ,{NOTE_C6, 10}  ,{NOTE_E6, 10}   ,{NOTE_REST, 10} ,
+  {NOTE_G6, 10}   ,{NOTE_REST, 30},
+  {NOTE_G5, 10}   ,{NOTE_REST, 30}
+};
+float tone_goodbye[][2] = SONG(GOODBYE_SOUND);
+float music_scale[][2]  = SONG(MUSIC_SCALE_SOUND);
+
+void startup_user() {
+  _delay_ms(20); // gets rid of tick
+  PLAY_NOTE_ARRAY(tone_startup, false, 0);
+}
+void shutdown_user() {
+  PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
+  _delay_ms(150);
+  stop_all_notes();
+}
+
+void music_on_user(void) {
+  music_scale_user();
+}
+void music_scale_user(void) {
+  PLAY_NOTE_ARRAY(music_scale, false, 0);
+}
+
+#endif
+
+
+
+void matrix_init_user(void) {
+  #ifdef AUDIO_ENABLE
+  startup_user();
+  #endif
+}
+
+void persistant_default_layer_set(uint16_t default_layer) {
+  eeconfig_update_default_layer(default_layer);
+  default_layer_set(default_layer);
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    case COLEMAK:
+      if (record->event.pressed) {
+        #ifdef AUDIO_ENABLE
+        PLAY_NOTE_ARRAY(tone_colemak, false, 0);
+        #endif
+        persistant_default_layer_set(1UL<<_COLEMAK);
+      }
+      break;
+    case GAME:
+      if (record->event.pressed) {
+        #ifdef AUDIO_ENABLE
+        PLAY_NOTE_ARRAY(tone_game, false, STACCATO);
+        #endif
+        persistant_default_layer_set(1UL<<_GAME);
+      }
+      break;
+    case RAISE:
+      if (record->event.pressed) {
+        layer_on(_RAISE);
+      } else {
+        layer_off(_RAISE);
+      }
+      break;
+    default:
+      return true;
+      break;
+  }
+
+  return false;
+};