Leroy Metselaar
Systems & Technical Designer
Designing interconnected gameplay systems, dynamic combat mechanics,
and immersive player experiences built on a solid technical foundation.
Featured Projects
Technical & Systems Designer
Unreal Engine 5
22 People
April 2024 - June 2024 (8 Weeks)
Bardo (2024)
Description:
Bardo is a 3rd person Action Adventure game, in which you traverse a shattered world to overcome your inner demons and ascend back into the world of the living.
Responsibility Highlights:
Player Combat System:
I made the player combat including melee and ranged attacks with Aim Assist, Damage and Bullet Time.Combat Animation System:
I made the animation system for the player attacks to ensure the attacks flow well into each other. This includes: Input Buffering, Animation Cancelling, Aim offset and more.
Technical & Systems Designer
Unreal Engine 5
Solo Project
April 2023 - June 2023 (8 Weeks)
Melee COmbat Toolkit (2024)
Description:
The Melee Combat Toolkit is a tool that developers can use to create their own melee combos easily, simply by assigning Animations and tweaking variables.
Feature Overview:
Input Buffering System: The system buffers attacks automatically and is easily adjustable.
Attack Data Table: All attacks can be assigned in a Data Table with animations and variables.
Automatic Combos: The developer can arrange their attacks in multiple ways to create various combos.
Technical & Systems Designer
Unreal Engine 5
22 People
September 2024 - Present (24 weeks)
Break-a-bot (2025)
Description:
Break-A-Bot is a fast-paced action roguelike where you smash, slash, and dash through enemy robots—then rip off their limbs to upgrade your own. Defend your orbital station against waves of enemies across ever-changing layouts and build wild, modular loadouts with every run.
Responsibility Highlights:
Designing and implementing Weapon Parts:
I designed and implemented all weapon parts that can be used by the player and enemies. This includes implementing Hit Reactions, VFX, Audio, Camera Shake, Hit Stop, and balancing variables like damage, knockback, cooldown and more.
Level Designer
Unreal Engine 5
15 People
April 2023 - June 2023 (8 Weeks)
Galactic Goo (2023)
Description:
Galactic Goo is a Puzzle Platformer game, in which you solve puzzles and maneuver through intricate and breathtaking highway stations to rebuild your rocket.
Responsibility Highlights:
Concepting Levels: Concepted the levels together with another level designer.
Whiteboxing Levels: Whiteboxed 3 full levels in Unreal Engine.
Level Mechanics Concepting: Helped brainstorming and concepting on level mechanics.
Playtesting and Iterating: Conducted 5 playtesting sessions.
My name is Leroy Metselaar
I am a Systems & Technical Game Designer with 3 years of experience in game development, currently studying Game Design and Production at Breda University of Applied Sciences.
I specialize in designing engaging gameplay systems, dynamic combat mechanics, and technical implementations that bring ideas to life.
Looking for an internship starting September 2025!
Other Projects
DualGrade (2023)
Description:
DualGrade is a rogue-like, top-down, twin-stick shooter in which you upgrade your two weapons to overcome rounds of enemies.
Information:
Systems, Level and UI Design
Unreal Engine 5
Solo Project
Features:
2 upgradable weapons.
4 enemy types
Rogue-like upgrade system
Slime revenge (2023)
Description:
Slime Revenge is a 2D platformer in which you play as a slime that has a 3-stage dash ability. Play through 4 different levels, each with its own unique level mechanic.
Information:
Technical and Level Design
Unreal Engine 5
4 People
Contributions:
Character concept and implementation
Springboard level mechanic
Springboard level
