Build connected horror and escape-room puzzles without rewriting their rules. Cobalt Horror Puzzle Kit brings five configurable puzzle types, reusable door mechanisms, Blueprint interaction hooks and persistent progress to Unreal Engine 5.8.

Download the playable Windows demo — explore the included control room without installing Unreal Editor.

Five puzzle modules

• Code keypads with leading-zero support, editable input, attempt limits and temporary lockouts.

• Typed fuse sockets with insertion/removal feedback and explicit inventory item deltas.

• Ordered sequences with repeated tokens, per-step timeouts and failure recovery.

• Switch patterns with live or latched completion.

• Hold controls with early-release reset and configurable duration.

Connect the encounter

Wire puzzle actors into All, Any or At Least circuits. Configure activation delay, sliding offsets and rotating mechanisms. Use Blueprint events to drive your lights, audio and objectives. The Circuit Inspector validates recipes, persistent IDs and mechanism connections in the active level.

Ready to explore and customize

Includes six example Blueprints, five recipe assets, four materials, a playable control-room map, runtime and editor C++ source, automation tests and step-by-step integration documentation. Save/load helpers preserve puzzle progress and validate the complete snapshot before restoration.

Scope

Supports Unreal Engine 5.8 and Windows. Designed for single-player projects; network replication is not included. Integrate with your own inventory, character interaction and audio. The demo uses on-screen controls and unlimited fuse supply. Included panel geometry is functional demonstration geometry, which you can replace with your own art.

The cover is illustrative artwork; the other gallery images show the included Unreal Engine demonstration. The detailed cover hardware is not an included mesh pack.