Crimson Plugin Suite: free & premium plugins for Unreal Engine 5
Stop rebuilding the same systems. Ship your game.
A modular suite of production-ready UE5 plugins: saves, UI, input, abilities, inventory, and more. Every plugin runs on its own: start free today, add premium systems only when your game needs them.
7 free plugins · UE 5.8 · Blueprint & C++
Crimson Plugin Suite
Production-ready gameplay systems. Each runs on its own, so you take only what you need.
Start free, scale up
7 free plugins. Each one is standalone, so start with whichever you need.
CrimsonCommon
An optional toolbox: message bus, player classes, modular actors and editor tools.
- Tag-Routed Message Bus
- Modular Gameplay Actors
- Player & Session Classes
- In-Editor Wiki & Tools
CrimsonExperience
Game modes composed from data, not GameMode C++.
- Experience Assets
- GameFeature Actions
- Replicated Load States
- Shared Action Sets
- Front-End Descriptors
CrimsonInput
Tag-driven Enhanced Input with GAS ability binding.
- Ability Input Binding
- Per-Player Rebinding
- Settings Modifiers
- Input Clash Analyzer
CrimsonInteraction
GAS interaction layer: scanning, granting and conditions.
- Scan Tasks
- Server-Side Granting
- Instant, Hold & Channel
- Interaction Conditions
CrimsonObjectPool
Actor pooling with an explicit acquire and release API.
- Replicated-Safe Pooling
- Frame-Budgeted Spawns
- Per-Class Capacity
- Bypass Switch
CrimsonSaveSystem
Fragment-based saving: each system owns its own data.
- Independent Fragments
- No Cross-Plugin Coupling
- Blueprint-Ready
CrimsonUI
Game-agnostic CommonUI foundation for menus and HUDs.
- Layer & Dialog System
- Activatable Widgets
- MVVM Base Classes
- World-Space Indicators
Scale up with premium systems
Foundation
Gameplay
CrimsonAbilitySystem
A full Gameplay Ability System layer for UE5.
- Custom ASC & Abilities
- Slot-Based Augments
- Modifiers & Phases
- Graph-Based Combos
CrimsonActionBar
Keybound, paged action bars over a replicated binding store.
- Automatic Stance Pages
- Pluggable Providers
- Server-Validated Edits
- Layout Editor
- UI-Agnostic Snapshots
CrimsonCamera
Mode-stacked, data-driven camera system with smooth blends.
- Stackable Camera Modes
- Runtime Push/Pop
- Smooth Blends
- Blueprint-Authored
CrimsonCombatText
Floating damage and healing numbers, pooled and replicated.
- Pooled Widgets
- Hierarchical Tag Styles
- Curve Motion Presets
- Multiplayer Replicated
- Per-Player Filters
CrimsonEquipment
Equipment slots that grant abilities and spawn gear.
- Slot-Based Equipping
- Grants Abilities & Effects
- Spawns Visual Actors
- Interface-Decoupled
CrimsonHitDetection
Data-driven hit detection for melee, area, hitscan and projectiles.
- GAS Target Data
- Interpolated Sweeps
- Composable Filters
- Hit Zones
- Pool-Ready Projectiles
CrimsonInspector
Let any object describe itself to any UI.
- Payload Bag
- Blueprint Ready
- Custom Payload Types
- Category Filtering
CrimsonInventory
Layout-agnostic, fully replicated inventory with bags and containers.
- Pluggable Topology
- Runtime Constraints
- Scoped Containers
- No RPCs to Write
CrimsonLoadingScreen
Game-instance-driven loading screens, fully automatic.
- Condition-Based Show/Hide
- Input Blocking
- Weighted Tips
- Character Preview
CrimsonMotionWarping
Motion warping that lands attacks at striking distance.
- Authored Reach Band
- Capsule-Aware Standoff
- Turn-Speed Cap
- Compile-Time Validation
- Server-Validated Warps
CrimsonQuestSystem
Branching, networked quests driven by your gameplay events.
- Stage Graph Editor
- Per-Chain Co-op Sync
- Fact Database
- Hotfix Overlays
CrimsonSkillTree
Replicated, GAS-native skill trees with a two-graph editor.
- Two-Graph Editor
- Material Splines
- Server-Authoritative
- Atomic Respec & Loadouts
CrimsonTeams
Tag-based teams & factions with dynamic attitude.
- Tag-Based Teams
- Dynamic AI Re-Aggro
- GAS Target Filtering
- Team Colors
- Multiplayer Dev Tools
Online
CrimsonCore, a reference game wiring the whole suite together, is free for Discord members. Get it on Discord
Browse the full documentationStart free. Upgrade when your game does.
Grab the free plugins from Fab, drop them into your project, and join the Discord if you get stuck. We ship fixes fast.