Games, Research & Creative Solutions

Blending Entertainment and Technology

Ilustration

Videogames

Sci-fi FPS game
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World of Equilibrium

On Development
MMO Unreal Engine Blockchain

Massive fantasy MMORPG with stunning visuals and a crypto economy

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Puzzle adventure game
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Brandcade

2025
Roblox Internship

Roblox multiverse experience with minigames and expressive customization.

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Sci-fi FPS game
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Hollow Stories: Lockdown

On Development
Horror Unreal Engine

Survival horror noir game set in the 1990s, where every corner hides secrets and nothing is what it seems.

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Other projects

Mobile tower defense game
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Rooster Games

2021
University Club

University Video Game Development Club

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Project 3
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Analysis of Stress Levels and Videogames

2025
Research

Relationship between Immersive Video Games and the Management of Cognitive Resources.

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About Me

Game designer working on a laptop with game development software visible on screen in dark room with RGB lighting

Hi, I'm Leslie B. Marin

Technical Game Designer specializing in level design and mission systems. View teamwork as the essential framework for creating impactful gameplay. Focus on acting as the nexus between creative vision and technical execution, transforming narrative and art into intentional player experiences. Excel at collaborating across disciplines to architect worlds where environmental storytelling and player agency converge, ensuring the delivery of cohesive, challenging, and inspiring games.

Experience: 2+ Years
Specialty: Narrative & Game Design
Location: Aguascalientes, Mexico
Focus: Player Experience

Work Experience

Game Designer - Gameplay Designer

Oct 2025 - Present
Hollow Sense , Leon - Mexico

Owned the end-to-end enemy design pipeline, from initial concept to final balance tuning.

  • Established enemy fantasy and narrative foundation through mood boards, concept briefs, and detailed design documentation to guide the art team
  • Designed core enemy mechanics and comprehensive move sets, specifying attack wind-ups, active frames, and recovery to ensure clear and engaging player feedback
  • Fostered close collaboration with cross-disciplinary teams (Art, Animation, Programming) to ensure cohesive vision and high-quality execution

Game Developer And Designer

Sep 2023 - Present
Equilibrium Games , Aguascalientes - Mexico

Designed and developed quests that achieved high completion rates during beta testing, while optimizing existing content based on player feedback.

  • Designed and developed 50+ quests (main, side, and chain) that achieved 85% completion rates during beta testing
  • Adapted and refined 150+ quest structures under direction, ensuring consistency with established game lore and player engagement goals.
  • NPC Design & Implementation: Character creation with established assets and lore
  • Open World Level Design: world building

Game Designer, Intern

Jan 2025 - Jul 2025
Amber Studio , Guadalajara - Mexico

Designed and prototyped games with marketing potential using Roblox Studio.

  • Design and prototype games with marketing potential using Roblox Studio (Lua)
  • Monetization features demonstrated 15% conversion rates during limited beta testing

Education & Training

BSc in Computer Science

Universidad Autonoma de Aguascalientes

Focused on software engineering with electives in human-computer interaction and computer graphics.

Certifications

Interactive Narrative

University of British Columbia

Story and Narrative Development for Video Games

California Institute of the Arts

Solidworks Cad Design Associate CSWP

Solidworks

Get In Touch

Contact Information

Interested in working together or have questions about my work? Feel free to reach out via any of the methods below.

Location

Aguascalientes, Mexico

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