Custom Starts - run modifiers designed for unique game flows (suggestions welcome)

by Bengal·v1.2.2·Updated 2026-04-09

Added new custom opening options to facilitate unique game flows with creative positive and negative modifiers.

Screenshots 1 screenshots

About this mod Machine translation

Added new custom opening options to facilitate unique game flows with creative positive and negative modifiers.

Custom Start

🎮 **Check out my other mods:**

  • **LegacySpire** – Bringing classic cards from the first generation of Slay the Spire back to Slay the Spire 2.
  • **RelicRewardChoice** – Choose one of multiple relics after defeating an elite or opening a treasure chest.
  • **DynamicCardRewards** – Configure card rewards: Set up to 10 options for each encounter to customize the appearance rate of common/rare/rare cards, the probability of upgrading the card, and the probability of the reward being enchanted.
  • **TransformOrBanish** – Adds gamble option to manipulate card rewards after each encounter.

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🧠 **Tired of starting the same game every time? 😴😴😴**

Have you ever thought about:

  • 💍 Start a build around a specific relic from the first level.
  • 🧠 Force yourself to play a specific genre without having to endlessly restart the game.
  • ⚪ Try a truly exclusive process for colorless cards.
  • 🔀 Play with decks containing different character cards.
  • 🔥 Turn the flow into brutal challenge mode with crazy mutators.

It's hard to do this with the original game... and that's exactly what this mod is for.

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🛡️ **Customize the opening -> Create the process you really want**

**Custom Starts** A dedicated **Custom Starts** modifiers tab has been added to Slay the Spire 2 so that your mod modifiers are clearly separated from the original game's modifiers.

No need to restart again and again just to get a "good start", you can define the characteristics of your process from the first level:

  • A relic-centered start
  • Start with gold coins as the core
  • Only process for colorless cards

*Multiple career reward rotations

  • Weird challenge mutators
  • High risk custom ruleset

It's designed to **increase replayability, encourage experimentation, challenging flow, and faster setup** without affecting or cluttering the mod list of the original game.

👍 **If this sounds like something you would like, please like the mod and share it with your friends. ** ⭐

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📦 **Contains Content**

🟢 **Front Modifier**

  • 💍 **Apotheosis** – Start with the Jewel Box relic.
  • ⛏️ **Star Digger** – Starts with a shovel and a black star.
  • 💰 **Gold Digger** – Starts with a relic centered around gold coins.
  • ⚪ **Grayscale** – Starts with colorless attack and skill cards. Only colorless cards can be found.
  • 🔀 **Multiple Classes** – Start with the initial relics of all characters. Card rewards rotate between professions.
  • 🌊 **Child of the Ocean** – Start with the Driftwood Relic.
  • 🏺 **Ancient Relics** – Elites have a chance to drop ancient relics.

🔴 **Negative Modifier**

  • 🤖 **Chaos** – Your deck changes after each battle.
  • 💥 **Return** – All cards gain cost and replay 1. Strike and Defense gain replay 2.
  • 🌶️ **Hot Potato** – Unplayed cards remain in your hand, but retained cards cost +1 in the next turn.
  • 🧬 **Unstable** – At the end of each battle, a random card will turn into another card of the same rarity.
  • 🍗 **Feast or Famine** – Gold rewards are doubled, but card rewards only appear after every second battle.
  • 🧱 **Glass Cannon** – Deals double the damage, but enemies also do double the damage to you.
  • 🕯️ **Wax Museum** – After every 7 battles, a relic is destroyed.

**✨ More coming soon. Suggestions welcome! ✨**

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⚠️ **Requirements**

  • **BaseLib:**

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🛡️ **Installation**

  • Go to the game directory: `STEAM\steamapps\common\Slay the Spire 2\`.
  • If necessary, create a `mods` folder.
  • Extract the **Custom Start** folder into the `mods` folder.
  • If it is not already installed, please also install **BaseLib**.
  • Launch the game -> Start a new customization process and switch to the "Custom Start" modifier using the button at the top of the modifier list screen.

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⚙️ **Configuration**

  • Open the **Custom Start** modifier tab in the process settings screen.
  • Enable any combination of positive and negative modifiers you wa …

Install & use Install: follow the bundled instructions

  1. Unzip the archive from playbuff and read the bundled readme / instructions first.
  2. There is no universal mod manager for this game: some mods replace game files directly, some go into a game-specific Mods folder, and some need a game-specific community loader or tool first — follow the bundled readme.
  3. Place the files exactly as the readme says; mods with listed dependencies need those installed too.
  4. Launch the game to confirm it loaded; some games require enabling mods in settings or an in-game mod menu.

Install locations vary a lot between games and mods — the bundled readme is the most reliable guide.

File & checksum

Filename
Custom Start
File size
62.9 KiB