diff --git a/keyboards/bastardkb/scylla/keymaps/cykedev/config.h b/keyboards/bastardkb/scylla/keymaps/cykedev/config.h
new file mode 100644
index 0000000000..3b2fa15b96
--- /dev/null
+++ b/keyboards/bastardkb/scylla/keymaps/cykedev/config.h
@@ -0,0 +1,42 @@
+// Copyright 2021 Christian Eiden, cykedev
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+
+#pragma once
+
+// Select hand configuration
+// #define MASTER_LEFT
+// #define MASTER_RIGHT
+#define EE_HANDS
+
+#define BOOTMAGIC_LITE_ROW 0
+#define BOOTMAGIC_LITE_COLUMN 0
+
+#define BOOTMAGIC_LITE_ROW_RIGHT 0
+#define BOOTMAGIC_LITE_COLUMN_RIGHT 5
+
+#define TAPPING_TERM 200
+
+// Prevent normal rollover on alphas from accidentally triggering mods.
+// #define IGNORE_MOD_TAP_INTERRUPT
+
+// Enable rapid switch from tap to hold, disables double tap hold auto-repeat.
+// #define TAPPING_FORCE_HOLD
+
+// Apply the modifier on keys that are tapped during a short hold of a modtap
+// #define PERMISSIVE_HOLD
+
+#define IGNORE_MOD_TAP_INTERRUPT_PER_KEY
+
+#define FORCE_NKRO
\ No newline at end of file
diff --git a/keyboards/bastardkb/scylla/keymaps/cykedev/keymap.c b/keyboards/bastardkb/scylla/keymaps/cykedev/keymap.c
new file mode 100644
index 0000000000..42915e43e4
--- /dev/null
+++ b/keyboards/bastardkb/scylla/keymaps/cykedev/keymap.c
@@ -0,0 +1,198 @@
+// Copyright 2021 Christian Eiden, cykedev
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+
+#include QMK_KEYBOARD_H
+
+#define CM_SPAL LGUI_T(KC_SPC)
+#define CM_SPAR RGUI_T(KC_SPC)
+
+#define SH_ENL LSFT_T(KC_ENT)
+#define SH_ENR RSFT_T(KC_ENT)
+
+#define RAISE MO(_RAISE)
+#define LOWER MO(_LOWER)
+
+#define QWERT DF(_QWERTY)
+#define COLEM DF(_COLEMAK_DH)
+
+enum layer_names {
+ _COLEMAK_DH,
+ _QWERTY,
+ _RAISE,
+ _LOWER,
+ _ADJUST
+};
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_COLEMAK_DH] = LAYOUT_split_4x6_5(
+ /* COLEMAK_DH
+ * .-----------------------------------------. .-----------------------------------------.
+ * | Esc | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | Bsp |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Tab | Q | W | F | P | B | | J | L | U | Y | ; | \ |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Del | A | R | S | T | G | | M | N | E | I | O | ' |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Shft | Z | X | C | D | V | | K | H | , | . | / | Shft |
+ * '-----------------------------------------/ \-----------------------------------------'
+ * / RAISE /---------------. .---------------\ LOWER \
+ * / / Cmd / Shift / \ Shift \ Cmd \ \
+ * '-------/ Space / Enter / \ Enter \ Space \-------'
+ * /---------------/ \---------------\
+ * / Alt / Ctrl / \ Ctrl \ Alt \
+ * / / / \ \ \
+ * '---------------' '---------------'
+ */
+ KC_ESC , KC_1 , KC_2 , KC_3 , KC_4 , KC_5 , KC_6 , KC_7 , KC_8 , KC_9 , KC_0 , KC_BSPC,
+ KC_TAB , KC_Q , KC_W , KC_F , KC_P , KC_B , KC_J , KC_L , KC_U , KC_Y , KC_SCLN, KC_BSLS,
+ KC_DEL , KC_A , KC_R , KC_S , KC_T , KC_G , KC_M , KC_N , KC_E , KC_I , KC_O , KC_QUOT,
+ KC_LSFT, KC_Z , KC_X , KC_C , KC_D , KC_V , KC_K , KC_H , KC_COMM, KC_DOT , KC_SLSH, KC_RSFT,
+ RAISE , CM_SPAL, SH_ENL , SH_ENR , CM_SPAR, LOWER ,
+ KC_LALT, KC_LCTL, KC_RCTL, KC_RALT
+ ),
+ [_QWERTY] = LAYOUT_split_4x6_5(
+ /* QWERTY
+ * .-----------------------------------------. .-----------------------------------------.
+ * | Esc | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | Bsp |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Tab | Q | W | E | R | T | | Y | U | I | O | P | \ |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Del | A | S | D | F | G | | H | J | K | L | ; | ' |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Shft | Z | X | C | V | B | | N | M | , | . | / | Shft |
+ * '-----------------------------------------/ \-----------------------------------------'
+ * / RAISE /---------------. .---------------\ LOWER \
+ * / / Cmd / Shift / \ Shift \ Cmd \ \
+ * '-------/ Space / Enter / \ Enter \ Space \-------'
+ * /---------------/ \---------------\
+ * / Alt / Ctrl / \ Ctrl \ Alt \
+ * / / / \ \ \
+ * '---------------' '---------------'
+ */
+ KC_ESC , KC_1 , KC_2 , KC_3 , KC_4 , KC_5 , KC_6 , KC_7 , KC_8 , KC_9 , KC_0 , KC_BSPC,
+ KC_TAB , KC_Q , KC_W , KC_E , KC_R , KC_T , KC_Y , KC_U , KC_I , KC_O , KC_P , KC_BSLS,
+ KC_DEL , 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_LSFT,
+ RAISE , CM_SPAL, SH_ENL , SH_ENR , CM_SPAR, LOWER ,
+ KC_LALT, KC_LCTL, KC_RCTL, KC_RALT
+ ),
+ [_RAISE] = LAYOUT_split_4x6_5(
+ /* RAISE
+ * .-----------------------------------------. .-----------------------------------------.
+ * | | F1 | F2 | F3 | F4 | F5 | | F6 | F7 | F8 | F9 | F10 | F11 |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | | | | [ | ] | | | $ | / | * | # | ~ | F12 |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Ins | ! | @ | ( | ) | | | % | - | + | = | ? | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | | | | { | } | | | ^ | & | | | | | |
+ * '-----------------------------------------/ \-----------------------------------------'
+ * / /---------------. .---------------\ \
+ * / / / / \ \ \ \
+ * '-------/ / / \ \ \-------'
+ * /---------------/ \---------------\
+ * / / / \ \ \
+ * / / / \ \ \
+ * '---------------' '---------------'
+ */
+ XXXXXXX, KC_F1 , KC_F2 , KC_F3 , KC_F4 , KC_F5 , KC_F6 , KC_F7 , KC_F8 , KC_F9 , KC_F10 , KC_F11 ,
+ XXXXXXX, XXXXXXX, XXXXXXX, KC_LBRC, KC_RBRC, XXXXXXX, KC_DLR , KC_SLSH, KC_ASTR, KC_HASH, KC_TILD, KC_F12 ,
+ KC_INS , KC_EXLM, KC_AT , KC_LPRN, KC_RPRN, XXXXXXX, KC_PERC, KC_MINS, KC_PPLS, KC_PEQL, KC_QUES, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, KC_LCBR, KC_RCBR, XXXXXXX, KC_CIRC, KC_AMPR, KC_PIPE, XXXXXXX, XXXXXXX, XXXXXXX,
+ _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______
+ ),
+ [_LOWER] = LAYOUT_split_4x6_5(
+ /* LOWER
+ * .-----------------------------------------. .-----------------------------------------.
+ * | | F1 | F2 | F3 | F4 | F5 | | F6 | F7 | F8 | F9 | F10 | F11 |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | | | | [ | ] | + | | | | up | | | F12 |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Ins | ! | @ | ( | ) | - | | | left | down | rght | ? | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | | | | { | } | = | | | | | | | |
+ * '-----------------------------------------/ \-----------------------------------------'
+ * / /---------------. .---------------\ \
+ * / / / / \ \ \ \
+ * '-------/ / / \ \ \-------'
+ * /---------------/ \---------------\
+ * / / / \ \ \
+ * / / / \ \ \
+ * '---------------' '---------------'
+ */
+ XXXXXXX, KC_F1 , KC_F2 , KC_F3 , KC_F4 , KC_F5 , KC_F6 , KC_F7 , KC_F8 , KC_F9 , KC_F10 , KC_F11 ,
+ XXXXXXX, XXXXXXX, XXXXXXX, KC_LBRC, KC_RBRC, KC_PPLS, XXXXXXX, XXXXXXX, KC_UP , XXXXXXX, XXXXXXX, KC_F12 ,
+ KC_INS , KC_EXLM, KC_AT , KC_LPRN, KC_RPRN, KC_MINS, XXXXXXX, KC_LEFT, KC_DOWN, KC_RGHT, KC_QUES, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, KC_LCBR, KC_RCBR, KC_PEQL, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______
+ ),
+ [_ADJUST] = LAYOUT_split_4x6_5(
+ /* ADJUST
+ * .-----------------------------------------. .-----------------------------------------.
+ * | | | | | | QWERT| |COLEM | | | | | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | | | | | | V+ | | B + | | | | | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | | | | | | V- | | B - | << | play | >> | | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | | | | | | Mute | | | | | | | |
+ * '-----------------------------------------/ \-----------------------------------------'
+ * / /---------------. .---------------\ \
+ * / / / / \ \ \ \
+ * '-------/ / / \ \ \-------'
+ * /---------------/ \---------------\
+ * / / / \ \ \
+ * / / / \ \ \
+ * '---------------' '---------------'
+ */
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, QWERT , COLEM , XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLU, KC_BRIU, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLD, KC_BRID, KC_MRWD, KC_MPLY, KC_MFFD, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_MUTE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+ )
+};
+
+bool get_ignore_mod_tap_interrupt(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case CM_SPAR:
+ return true;
+ default:
+ return false;
+ }
+}
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+ return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
+}
+
+// Flexible macOS-friendly Grave Escape
+// https://docs.qmk.fm/#/feature_key_overrides?id=flexible-macos-friendly-grave-escape
+
+const key_override_t tilde_esc_override = ko_make_basic(MOD_MASK_SHIFT, KC_ESC, S(KC_GRAVE));
+const key_override_t grave_esc_override = ko_make_basic(MOD_MASK_GUI, KC_ESC, KC_GRAVE);
+const key_override_t delete_key_override = ko_make_basic(MOD_MASK_SHIFT, KC_BSPACE, KC_DELETE);
+
+
+const key_override_t **key_overrides = (const key_override_t *[]){
+ &tilde_esc_override,
+ &grave_esc_override,
+ &delete_key_override,
+ NULL
+};
diff --git a/keyboards/bastardkb/scylla/keymaps/cykedev/rules.mk b/keyboards/bastardkb/scylla/keymaps/cykedev/rules.mk
new file mode 100644
index 0000000000..1ef732910b
--- /dev/null
+++ b/keyboards/bastardkb/scylla/keymaps/cykedev/rules.mk
@@ -0,0 +1,4 @@
+MOUSEKEY_ENABLE = no # Mouse keys
+NKRO_ENABLE = yes # USB Nkey Rollover
+RGB_MATRIX_ENABLE = no # Enable keyboard RGB matrix
+KEY_OVERRIDE_ENABLE = yes # Enable Key Overrides, see https://docs.qmk.fm/#/feature_key_overrides