Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Angelo Enrique Castillo Santillan, a Unity Game Programmer with 6+ years of experience (since 2019) in building 2D/3D gameplay systems, designer tools, and performance optimizations using C#. I enjoy turning ideas into playable projects, mods, and prototypes from scratch, with a strong focus on both gameplay and workflow improvements. I'm comfortable collaborating in small teams, iterating quickly with version control, and delivering polished demos and trailers. My track record includes solo and collaborative projects across mobile and PC, plus modding community contributions with Nexus Mods.…I'm Angelo Enrique Castillo Santillan, a Unity Game Programmer with 6+ years of experience (since 2019) in building 2D/3D gameplay systems, designer tools, and performance optimizations using C#. I enjoy turning ideas into playable projects, mods, and prototypes from scratch, with a strong focus on both gameplay and workflow improvements. I'm comfortable collaborating in small teams, iterating quickly with version control, and delivering polished demos and trailers. My track record includes solo and collaborative projects across mobile and PC, plus modding community contributions with Nexus Mods.

Angelo Enrique Castillo Santillan

Game Developer, Programmer, Game Designer, +2





I'm Angelo Enrique Castillo Santillan, a Unity Game Programmer with 6+ years of experience (since 2019) in building 2D/3D gameplay systems, designer tools, and performance optimizations using C#. I enjoy turning ideas into playable projects, mods, and prototypes from scratch, with a strong focus on both gameplay and workflow improvements. I'm comfortable collaborating in small teams, iterating quickly with version control, and delivering polished demos and trailers. My track record includes solo and collaborative projects across mobile and PC, plus modding community contributions with Nexus Mods.…I'm Angelo Enrique Castillo Santillan, a Unity Game Programmer with 6+ years of experience (since 2019) in building 2D/3D gameplay systems, designer tools, and performance optimizations using C#. I enjoy turning ideas into playable projects, mods, and prototypes from scratch, with a strong focus on both gameplay and workflow improvements. I'm comfortable collaborating in small teams, iterating quickly with version control, and delivering polished demos and trailers. My track record includes solo and collaborative projects across mobile and PC, plus modding community contributions with Nexus Mods.

Available to hire

I’m Angelo Enrique Castillo Santillan, a Unity Game Programmer with 6+ years of experience (since 2019) in building 2D/3D gameplay systems, designer tools, and performance optimizations using C#. I enjoy turning ideas into playable projects, mods, and prototypes from scratch, with a strong focus on both gameplay and workflow improvements.

I’m comfortable collaborating in small teams, iterating quickly with version control, and delivering polished demos and trailers. My track record includes solo and collaborative projects across mobile and PC, plus modding community contributions with Nexus Mods.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Mod Developer at Lobotomy Corporation Mods

September 1, 2024 - Present

Developed 17+ mods, including QoL improvements, cosmetic enhancements, and animation expansions using Unity, Spine2D, Harmony, and dnSpy. Reverse-engineered game DLLs to implement custom features and integrate new assets. Achieved over 90,000 unique downloads on Nexus Mods. Built custom tools and workflows to streamline mod development and asset integration.

Independent Game Developer at Gameplay Trailer Bucket Time

April 1, 2024 - October 7, 2025

Implemented core gameplay systems as solo developer: player mechanics, enemy AI, and UI. Released a 20–30 min playable game with trailers and demos. Expanded game content with original team to enhance replayability and level design.

Unity Game Programmer Intern at Oh! My Games

June 1, 2022 - October 7, 2025

Developed and debugged gameplay features for mobile titles in Unity (C#). Assisted in UI/UX implementation and animation integration. Collaborated in a small team using version control and iterative testing.

Gameplay Developer / Lead Developer at LISA: The Fool

January 1, 2019 - Present

Built core RPG framework from scratch: combat, dialogue, inventory, AI, and physics-based overworld. Developed extensive designer tools, including custom editors and localization systems. Managed all sprite work and animations; produced trailers and gameplay demos showcasing features.