Build your own Roblox RNG simulator faster with this complete Slime RNG system.It comes with rolling, pets, backpack, index, shop, skill tree, combat, loot drops and clean configs so you can easily customize it for your own game.
Perfect for RNG games, pet simulators, idle games or progression-based Roblox projects.
RNG Roll System
• Smooth rolling system with rarity chances• Auto roll support
• Luck scaling for rare slimes
• Configurable roll speed, cooldowns and chances
• Easy to add new slimes, icons and models
Pet & Backpack System
• Players can collect and store slimes• Equip multiple slimes
• Equip best button included
• Sorting by rarity and alphabet
• Feed pets with items to level them up
• Configurable rarity colors, stats and leveling
Pet Combat System
• Equipped slimes follow the player• Slimes fight enemies automatically
• Enemy health bars included
• Hit effects, sounds and knockout behavior
• Coin rewards after defeating enemies
• Enemy spawning system included
Shop System
• Ready-made shop UI• Supports Developer Products
• Supports Gamepasses
• Coin packs, boosts and starter packs included
• Easy reward configuration
• Great for monetization
Skill Tree System
• Upgrade paths for rolling, luck, pets, loot, movement and backpack• Coin-based upgrades
• Unlock requirements between skills
• Custom icons, prices and effects
• Designed for long-term player progression
Index System
• Players can view discovered slimes• Locked and unlocked slime display
• Category tabs included
• Works together with the roll system
• Great for collection-based gameplay
Loot & Boosts
• Enemies can drop items• Cheese item for pet XP
• Luck Boost item included
• Loot pickup system
• Configurable drop chances
🛠 Easy To Customize
• Most settings are handled through configs• Change icons, sounds, prices, pets, stats and chances
• Clean folder structure
• Includes installation guide
• No need to rebuild the system from scratch
Included
• Roll System• Backpack System
• Index System
• Shop System
• Skill Tree System
• Pet Combat System
• Enemy Spawns
• Loot Drops
• Client Scripts
• Server Scripts
• Shared Configs
• README installation guide
Good For
• Roblox RNG games• Pet simulator games
• Idle progression games
• Slime collection games
• Simulator projects
• Developers who want a complete starting system
This system gives you a strong base for a full Roblox RNG game without spending weeks building the core mechanics yourself.
