UpgradeAllCards
🟡 Updated this yearPreview
🔍 Analysis
- 👍 1.2% endorsement rate — high engagement, a strong quality signal
- 🏆 #20 of 212 Miscellaneous mods in this game by downloads
📋 About This Mod
Upgrade All Cards + Auto Eggs
Start every run with a fully upgraded deck and all three egg relics. Any new cards you pick up during the run are automatically upgraded by the eggs.
Features
-
[] Upgrades all starting cards — your entire starting deck is fully upgraded at the start of each run
[
] Grants Frozen Egg, Molten Egg, and Toxic Egg — all new Attack, Skill, and Power cards you acquire mid-run are automatically upgraded[] Removes eggs from the relic pool — you won't find duplicate eggs from chests, shops, or events
Installation
-
[] Extract the zip into your game's mods/ folder (e.g., Steam\steamapps\common\Slay the Spire 2\mods\)
[] You should have UpgradeAllCards.dll and UpgradeAllCards.pck in the mods folder
[] Launch the game and click "Yes" when asked to load mods
Compatibility
-
[] Works with the game's native mod loading system — no external mod loader required
[
] Compatible with all other mods - Recommended: use with UnifiedSavePath to keep your progression while playing with mods
Only tested in windows + single player.
https://github.com/luojiesi/SLS2Mods/tree/master
-
[] Works with the game's native mod loading system — no external mod loader required
-
[] Extract the zip into your game's mods/ folder (e.g., Steam\steamapps\common\Slay the Spire 2\mods\)
UpgradeAllCards is a compact Slay the Spire mod that automatically upgrades your entire starting deck and grants all three egg relics at the start of every run. It also removes eggs from the relic pool to prevent duplicates. Ideal for players who want a powerful, consistent start without hunting for upgrades.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Saves time by skipping the need to upgrade cards manually.
- Gives a strong early-game boost with all three egg relics.
- No duplicate eggs means more variety in relic choices later.
⚠️ Cons
- Makes the early game significantly easier, which may reduce challenge for some players.
- Only affects starting deck and eggs; no other gameplay changes.
- Potential compatibility issues with other mods that alter starting decks or relic pools.
For Slay the Spire players who want a more relaxed, powerful start and enjoy steamrolling the early floors. Also great for testing deck synergies without grinding for upgrades. Skip if you prefer the base game's challenge or want deeper gameplay changes.
💡 Beginner Tips
- Place the mod in the Slay the Spire mods folder (usually under Steam/steamapps/common/SlayTheSpire/mods).
- Ensure you have the latest version of the game and any mod loader if required (e.g., ModTheSpire).
- If you're using other mods that modify starting relics, load this mod after them to avoid conflicts.
📊 Mod Details
- Game
- Slaythespire2 Mods
- Author
- Jiesi Luo
- Version
- 1.0.0
- Downloads
- 13,499
- Endorsements
- 167
- Category
- Miscellaneous
- Created
- 3/8/2026
- Updated
- 3/18/2026
🔧 How to Install Slay The Spire II Mods
Download from Nexus Mods.
📖 Full step-by-step install guide for Slay The Spire II →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Slay The Spire II commands, item IDs, and more.
Keep browsing — more Slay The Spire II mods await