This course is a project-first path through a single stealth mission in Unreal Engine 5.5. You will lock a tight fantasy, build a readable space, implement perception and AI states, tune difficulty, optimize for real hardware, and finish with a capture-ready build plus case study.
Each lesson targets one outcome so you can stop at any milestone and still have something shippable to show.
Lessons move from creative lock to technical execution, then shipping:
By the end, you will have:
Begin with Lesson 1: Mission Fantasy and Success Conditions to lock scope before touching editor layout. Continue with Lesson 2: Unreal 5.5 Project Setup and Folder Standards to stand up the project tree and version control habits, then Lesson 3: Greybox the Mission Space to validate layout. Lesson 4: Player Stealth Controller Baseline wires crouch, speed bands, and noise or visibility stubs. Lesson 5: Enemy Perception Setup adds AI Sight, hearing, and alert hooks for those signals. Lesson 6: Patrol Routes and Guard Schedules turns those alerts into movement priorities with Behavior Trees and patrol loops. Lesson 7: Suspicion to Combat State Machine adds investigate, search timers, cooldowns, and a scoped Engaged branch. Lesson 8: Stealth Tools and Gadgets adds noise distractions and temporary disables that feed the same perception and Blackboard stack. Lesson 9: Objective and Checkpoint Flow adds a mission director, primary/secondary goals, and fail-forward checkpoints. Lesson 10: UI and Player Feedback binds UMG to that director and to perception-driven detection readouts. Lesson 11: Audio Stealth Mix and Spatial Cues adds footsteps, attenuation, occlusion, and alert stingers tied to the same AI state the HUD shows. Lesson 12: Lighting and Visibility Tuning locks exposure and Lumen contrast so sightlines match perception and UI readability. Lesson 13: Performance Optimization Pass profiles Game, Draw, and GPU time and trims Lumen, Nanite, and post to hit a stable frame budget in packaged builds. Lesson 14: Playtest Protocol and Balance Iteration runs scripted routes, telemetry for time-to-detect, exploit triage, and patch notes per build. Lesson 15: Packaging, Trailer Capture, and Case Study ships a Shipping build, Sequencer trailer rails, and a pillar-aligned case study page.
Pair this track with our Unreal Engine guides for broader reference. When packaging breaks, our UE 5.5 packaging help covers common plugin and module errors.
Follow these lessons in order to complete the course
Lock a stealth mission fantasy, clear win and fail states, and a scope boundary so your Unreal 5.5 vertical slice stays finishable.
Create a clean Unreal Engine 5.5 project for your stealth slice with scalable folders, naming rules, plugin hygiene, and source control that survive greybox and AI work.
Block out your Unreal 5.5 stealth mission with readable cover rhythm, traversal cadence, and sightlines that match the Lesson 1 beat sheet before you author final meshes.
Wire crouch, movement speeds, noise stubs, and a simple visibility probe in Unreal 5.5 so your greyboxed mission supports fair stealth before enemy perception ships in Lesson 5.
Add AI Perception—sight and hearing—to an Unreal 5.5 guard so Lesson 4 movement, noise, and exposure values actually drive alertness before patrol trees ship in Lesson 6.
Give Unreal 5.5 guards readable patrol loops using Behavior Trees and Blackboards that consume Lesson 5 alert data, with wait nodes and schedule swaps that stay fair in your greybox.
Turn Unreal 5.5 guard alert levels into a short search loop, timed cooldowns, and a controlled path toward combat or stand-down so stealth stays readable before gadgets ship in Lesson 8.
Add distraction throwables and a temporary disable gadget in Unreal 5.5 so your Lesson 5–7 AI states face player-authored stimuli, cooldowns, and fair counterplay.
Wire primary and optional objectives with fail-forward checkpoints in Unreal 5.5 so your stealth slice has a shippable mission arc without hard-blocking the player on every mistake.
Bind UMG widgets to your MissionDirector and perception values so objectives, detection, and setbacks read clearly—without the HUD disagreeing with AI in Unreal 5.5.
Route footsteps, occlusion, and alert-tier stingers in Unreal 5.5 so players hear the same threat state the AI and HUD already agree on—without blowing your mix budget.
Lock exposure, tune Lumen, and validate player silhouette on worst-case sightlines so stealth reads visually—without fighting the HUD and audio you already shipped.
Read stat unit and GPU visualize, trim Lumen and Nanite cost, and cap post so your stealth slice hits a stable frame budget in PIE and packaged builds.
Run a tight stealth playtest loop—scripted routes, time-to-detect telemetry, exploit triage, and patch notes—so human feedback turns into measurable balance changes without scope creep.
Ship a Shipping build, capture a 45-second trailer slice with deterministic camera rails, and write a one-page case study that mirrors your Lesson 1 pillars—so the vertical slice travels without you in the room.
