diff --git a/keyboards/mzmkb/slimdash/rev1/keymaps/vial/config.h b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/config.h
new file mode 100644
index 0000000000..76cf704637
--- /dev/null
+++ b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/config.h
@@ -0,0 +1,23 @@
+/* Copyright 2025 mizma (@mizma)
+ *
+ * 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
+
+#define VIAL_KEYBOARD_UID {0xF8, 0x33, 0xE5, 0xA6, 0x5B, 0x24, 0x72, 0x00}
+
+#define VIAL_UNLOCK_COMBO_ROWS {0, 9}
+#define VIAL_UNLOCK_COMBO_COLS {0, 5}
+#define DYNAMIC_KEYMAP_LAYER_COUNT 5
diff --git a/keyboards/mzmkb/slimdash/rev1/keymaps/vial/keymap.c b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/keymap.c
new file mode 100644
index 0000000000..a496950ad8
--- /dev/null
+++ b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/keymap.c
@@ -0,0 +1,126 @@
+/* Copyright 2025 mizma (@mizma)
+ *
+ * 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
+
+enum layer_names {
+ _QWERTY,
+ _GAMEMODE,
+ _LOWER,
+ _RAISE
+};
+
+#define LOWER MO(_LOWER)
+#define RAISE MO(_RAISE)
+#define GAMEM TG(_GAMEMODE)
+
+#define EISU LALT(KC_GRV)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+ /* Qwerty
+ * ,------------------------------------------------. .------------------------------------------------.
+ * | ESC | 1 | 2 | 3 | 4 | 5 | - | | = | 6 | 7 | 8 | 9 | 0 | Bksp |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | Tab | Q | W | E | R | T | [ | | ] | Y | U | I | O | P | \ |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | LCTL | A | S | D | F | G | Del | | Ins | H | J | K | L | ; | ' |
+ * |------+------+------+------+------+------+------. .------+------+------+------+------+------+------|
+ * | LSFT | Z | X | C | V | B | | N | M | , | . | / | RSFT |
+ * |------+------+------+------+------+--+---+--+------. .------+--+---+--+------+------+------+------+------|
+ * | RM_DN| RM_UP| GAMEM| GUI | | | LALT | | RALT | | | HOME | END |PageUp|PageDn|
+ * .---------------------------. .------| Space|------| |------| Enter|------. .---------------------------.
+ * | Lower| | LSFT | | RCTL | | Raise|
+ * .--------------------. .--------------------.
+ */
+ [_QWERTY] = LAYOUT(
+ KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_MINS, KC_EQL, 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_LBRC, KC_RBRC, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLS,
+ KC_LCTL, KC_A, KC_S, KC_D, KC_F, KC_G, KC_DEL , KC_INS, 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_LALT, KC_RALT, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT,
+ RGB_VAD, RGB_VAI, GAMEM, KC_LGUI, LOWER, KC_SPC, KC_LSFT, KC_RCTL, KC_ENT, RAISE, KC_HOME, KC_END, KC_PGUP, KC_PGDN
+ ),
+
+ /* Game Mode Toggle: sample toggle layer. turn off GUI key and add arrows
+ * ,------------------------------------------------. .------------------------------------------------.
+ * | | | | | | | | | | | | | | | |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | | | | | | | | | | | | | | | |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | | | | | | | | | | | | | | | |
+ * |------+------+------+------+------+------+------. .------+------+------+------+------+------+------|
+ * | | | | | | | | | | | | | |
+ * |------+------+------+------+------+--+---+--+------. .------+--+---+--+------+------+------+------+------|
+ * | | | | NOOP | | | | | | | | ← | ↓ | ↑ | → |
+ * .---------------------------. .------| |------| |------| |------. .---------------------------.
+ * | | | | | | | |
+ * .--------------------. .--------------------.
+ */
+ [_GAMEMODE] = LAYOUT(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, KC_NO, _______, _______, _______, _______, _______, _______, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT
+ ),
+
+ /* Lower: NUMPAD, App/Media keys and RGM Matrix
+ * ,------------------------------------------------. .------------------------------------------------.
+ * | ` | | | | | Mute | Vol- | | Vol+ | | NumL | / | * | - | |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | | | | |RGBTGL| | BrDn | | BrUp | | 7 | 8 | 9 | + | |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | CAPS | | |RM_HUD|RM_HUU| |RM_PRV| |RM_NXT| | 4 | 5 | 6 | , | |
+ * |------+------+------+------+------+------+------. .------+------+------+------+------+------+------|
+ * | | | |RM_SPD|RM_SPU| | | | 1 | 2 | 3 | = | |
+ * |------+------+------+------+------+--+---+--+------. .------+--+---+--+------+------+------+------+------|
+ * | | | | | | | | | | | | 0 | . | | |
+ * .---------------------------. .------| |------| |------| PENT |------. .---------------------------.
+ * | | | | | | | |
+ * .--------------------. .--------------------.
+ */
+ [_LOWER] = LAYOUT(
+ KC_GRV, _______, _______, _______, _______, KC_MUTE, KC_VOLD, KC_VOLU, _______, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS, _______,
+ _______, _______, _______, _______, RGB_TOG, _______, KC_BRID, KC_BRIU, _______, KC_P7, KC_P8, KC_P9, KC_PPLS, _______,
+ KC_CAPS, _______, _______, RGB_HUD, RGB_HUI, _______, RGB_RMOD, RGB_MOD, _______, KC_P4, KC_P5, KC_P6, KC_PCMM, _______,
+ _______, _______, _______, RGB_SPD, RGB_SPI, _______, _______, _______, _______, KC_P1, KC_P2, KC_P3, KC_PEQL, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, KC_PENT, _______, KC_P0, KC_PDOT, _______, _______
+ ),
+
+ /* Raise: Functions and Mouse
+ * ,------------------------------------------------. .------------------------------------------------.
+ * | ` | F1 | F2 | F3 | F4 | F5 | | | | F6 | F7 | F8 | F9 | F10 | F11 |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | | | |WheelL|WheelR| | | | | | | Pause|ScrolL| PrnSc| F12 |
+ * |------+------+------+------+------+------+------| |------+------+------+------+------+------+------|
+ * | CAPS | |Mouse3|Mouse2|Mouse1|WheelU| | | | ← | ↓ | ↑ | → | | |
+ * |------+------+------+------+------+------+------. .------+------+------+------+------+------+------|
+ * | |Accel0|Accel1|Accel2| |WheelD| |MouseL|MouseD|MouseU|MouseR| | |
+ * |------+------+------+------+------+--+---+--+------. .------+--+---+--+------+------+------+------+------|
+ * | | | | | | | | | | | | | | | |
+ * .---------------------------. .------| |------| |------| |------. .---------------------------.
+ * | | | | | | | |
+ * .--------------------. .--------------------.
+ */
+ [_RAISE] = LAYOUT(
+ KC_GRV, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, _______, _______, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11,
+ _______, _______, _______, MS_WHLL, MS_WHLR, _______, _______, _______, _______, _______, KC_PAUS, KC_SCRL, KC_PSCR, KC_F12,
+ KC_CAPS, _______, MS_BTN3, MS_BTN2, MS_BTN1, MS_WHLU, _______, _______, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, _______, _______,
+ _______, MS_ACL0, MS_ACL1, MS_ACL2, _______, MS_WHLD, _______, _______, MS_LEFT, MS_DOWN, MS_UP, MS_RGHT, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ )
+};
+
diff --git a/keyboards/mzmkb/slimdash/rev1/keymaps/vial/rules.mk b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/rules.mk
new file mode 100644
index 0000000000..e2e5ae028c
--- /dev/null
+++ b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/rules.mk
@@ -0,0 +1,7 @@
+VIA_ENABLE = yes
+VIAL_ENABLE = yes
+
+OLED_ENABLE = no
+ENCODER_ENABLE = no
+ENCODER_MAP_ENABLE = no
+VIALRGB_ENABLE = yes
diff --git a/keyboards/mzmkb/slimdash/rev1/keymaps/vial/vial.json b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/vial.json
new file mode 100644
index 0000000000..aaa855da67
--- /dev/null
+++ b/keyboards/mzmkb/slimdash/rev1/keymaps/vial/vial.json
@@ -0,0 +1,41 @@
+{
+ "lighting": "vialrgb",
+ "matrix": {
+ "rows": 10,
+ "cols": 7
+ },
+ "layouts": {
+ "keymap": [
+ {
+ "name": "slimDash"
+ },
+ [ { "x": 3 }, "0,3", { "x": 10.5 }, "5,3" ],
+ [ { "y": -0.875, "x": 2 }, "0,2", { "x": 1 }, "0,4", { "x": 8.5 }, "5,4", { "x": 1 }, "5,2" ],
+ [ { "y": -0.875, "x": 5 }, "0,5", { "x": 6.5 }, "5,5" ],
+ [ { "y": -0.875 }, "0,0", "0,1", { "x": 14.5 }, "5,1", "5,0" ],
+ [ { "y": -0.625, "x": 6 }, "0,6", { "x": 4.5 }, "5,6" ],
+ [ { "y": -0.75, "x": 3 }, "1,3", { "x": 10.5 }, "6,3" ],
+ [ { "y": -0.875, "x": 2 }, "1,2", { "x": 1 }, "1,4", { "x": 8.5 }, "6,4", { "x": 1 }, "6,2" ],
+ [ { "y": -0.875, "x": 5 }, "1,5", { "x": 6.5 }, "6,5" ],
+ [ { "y": -0.875 }, "1,0", "1,1", { "x": 14.5 }, "6,1", "6,0" ],
+ [ { "y": -0.625, "x": 6 }, "1,6", { "x": 4.5 }, "6,6" ],
+ [ { "y": -0.75, "x": 3 }, "2,3", { "x": 10.5 }, "7,3" ],
+ [ { "y": -0.875, "x": 2 }, "2,2", { "x": 1, "n": true }, "2,4", { "x": 8.5, "n": true }, "7,4", { "x": 1 }, "7,2" ],
+ [ { "y": -0.875, "x": 5 }, "2,5", { "x": 6.5 }, "7,5" ],
+ [ { "y": -0.875 }, "2,0", "2,1", { "x": 14.5 }, "7,1", "7,0" ],
+ [ { "y": -0.625, "x": 6 }, "2,6", { "x": 4.5 }, "7,6" ],
+ [ { "y": -0.75, "x": 3 }, "3,3", { "x": 10.5 }, "8,3" ],
+ [ { "y": -0.875, "x": 2 }, "3,2", { "x": 1 }, "3,4", { "x": 8.5 }, "8,4", { "x": 1 }, "8,2" ],
+ [ { "y": -0.875, "x": 5 }, "3,5", { "x": 6.5 }, "8,5" ],
+ [ { "y": -0.875 }, "3,0", "3,1", { "x": 14.5 }, "8,1", "8,0" ],
+ [ { "y": -0.375, "x": 3 }, "4,3", { "x": 10.5 }, "9,3" ],
+ [ { "y": -0.875, "x": 2 }, "4,2", { "x": 12.5 }, "9,2" ],
+ [ { "y": -0.75 }, "4,0", "4,1", { "x": 14.5 }, "9,1", "9,0" ],
+ [ { "ry": 4.25, "y": -0.25, "x": 11.25, "h": 2 }, "9,5" ],
+ [ { "rx": 6.5, "y": -0.25, "x": -0.25, "h": 2 }, "4,5", "3,6" ],
+ [ { "x": -1.25 }, "4,4", { "x": 1 }, "4,6" ],
+ [ { "rx": 13, "y": -0.25, "x": -2.75 }, "8,6" ],
+ [ { "x": -2.75 }, "9,6", { "x": 1 }, "9,4" ]
+ ]
+ }
+}