🎴 All-in-one performance & visual mod pack for Slay the Spire 2 by Mega Crit.
Unlock unlimited FPS, speed up animations, optimize card rendering, scale VFX, improve UI readability, and reduce load times for the smoothest deck-building experience possible.
This project is shared for educational and personal use only.
We are not affiliated with Mega Crit Games.
Modding may break saves — always backup your save files.
You use these tools entirely at your own risk. 🛡️
| 🏷️ Module | 💡 Description |
|---|---|
| 🚀 FPS Unlocker | Removes frame cap, enables unlimited FPS for high-refresh monitors |
| ⚡ Animation Speed Control | Adjustable speed for card play, enemy turns, and transition animations |
| 🃏 Card Render Optimizer | Reduces draw calls for card hand, optimizes batch rendering |
| ✨ VFX Scaler | Scale down or disable particle effects for cleaner visuals and higher FPS |
| 🖥️ UI Scaler | Resize any UI element — deck count, energy, HP bar, map overlay |
| 🔍 Resolution Upscaler | Render at lower res + upscale for huge FPS gains on weak GPUs |
| 🧠 Memory Optimizer | Texture compression, asset unloading, garbage collection tuning |
| ⏱️ Load Time Reducer | Preloads card assets and floor textures during transitions |
| 🎨 Visual Enhancer | Color grading, sharpening, contrast boost, optional CRT filter |
| 🔋 Battery Saver | Caps FPS + reduces GPU load for laptop/Steam Deck sessions |
🔽 Password-protected archive — extract and enjoy faster runs.
🔑 🔑🔑🔑: 1847
SlayTheSpire2-ModPack/
├── 🛠️ ModPackManager.exe — main launcher & configurator
├── 📂 tweaks/ — core .cpp tweak modules
│ ├── fps_unlocker.cpp
│ ├── animation_speed.cpp
│ ├── card_renderer.cpp
│ ├── vfx_scaler.cpp
│ ├── ui_scaler.cpp
│ ├── resolution_upscaler.cpp
│ ├── memory_optimizer.cpp
│ ├── load_time_reducer.cpp
│ └── visual_enhancer.cpp
├── 📂 presets/
│ ├── performance.cfg
│ ├── balanced.cfg
│ ├── quality.cfg
│ └── steam_deck.cfg
├── 📂 backup/
├── 📄 setup_guide.txt
└── 📄 changelog.txt
1️⃣ Extract the archive to any folder
2️⃣ Run ModPackManager.exe as Administrator 🛡️
3️⃣ Select your Slay the Spire 2 install directory
4️⃣ Pick a preset (Performance / Balanced / Quality / Steam Deck) or tweak each module
5️⃣ Hit Apply — done! 🎉
6️⃣ Launch the game and climb the Spire faster than ever
💡 Pro tip: Use Animation Speed at 2.5x + VFX Scaler at 50% for the fastest possible runs.
| 🖥️ Setup | ❌ Before | ✅ After | 📈 Gain |
|---|---|---|---|
| RTX 3060 + Ryzen 5 5600X | ~120 FPS | ~240+ FPS | +100% |
| GTX 1650 + i5-10400 | ~55 FPS | ~110 FPS | +100% |
| Steam Deck (handheld) | ~30 FPS | ~50 FPS | +67% |
| Intel UHD 730 (iGPU) | ~20 FPS | ~40 FPS | +100% |
📌 Tested at 1080p, Balanced preset.
| 🔩 Component | ⬇️ Minimum | ✅ Recommended |
|---|---|---|
| 🪟 OS | Windows 10 (64-bit) | Windows 11 (64-bit) |
| 🧠 CPU | Any dual-core 2.0 GHz+ | Ryzen 5 / i5 |
| 🎮 GPU | Intel UHD 630 / GT 1030 | GTX 1060 / RX 580+ |
| 🧬 RAM | 8 GB | 16 GB |
| 💾 VRAM | 2 GB | 4 GB+ |
| 💿 Storage | 100 MB (mod pack) | SSD recommended |
| ❌ Problem | ✅ Fix |
|---|---|
| Mods don't apply | Run as Administrator, verify game path |
| FPS still capped | Disable in-game V-Sync + use FPS Unlocker |
| Cards rendering glitchy | Reset Card Renderer to default, update GPU drivers |
| Save corruption | Restore backup from backup/ folder |
| Animations too fast | Lower Animation Speed multiplier in configurator |
| Steam Deck issues | Use the Steam Deck preset for best battery/performance balance |
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MIT License — shared for educational purposes only.
If this mod pack made your Slay the Spire 2 runs smoother and faster 🔥 — drop a ⭐!
It helps other players find the best StS2 performance mods in 2026. 🃏🚀