OLCAY ERTAŞMIŞ

Game Developer

Unity C# Clean Architecture System Design Backend Integration

Hi, I'm Olcay. I am a Computer Engineer and Unity Developer passionate about crafting high-performance systems and scalable game architectures. I thrive on translating complex ideas into clean, maintainable code and engaging player experiences.

I approach game development and life with a focus on continuous growth, integrity, and clear goals. Whether I'm architecting a server-driven mobile game or refining core mechanics, I am driven by a commitment to quality and innovation.

When I step away from the keyboard, I'm usually strategizing over a game of chess, exploring new travel destinations, or catching up on football and the latest gaming trends.

Experience

GamesMrkt

Game Developer

2023 - 2025 (2 years 2 months)

I worked on various internal prototypes, but my primary focus and major achievements were centered around two highly successful live mobile games:

  • My Arcade Center: Achieved 1M+ downloads and $1M+ revenue on Google Play alone. I managed core mechanics, Remote Config integration, and independently handled the WebGL adaptation.
  • My Arcade Center v2: Exceeded 500K+ downloads on Google Play. Developed an advanced architecture utilizing a Custom Map Tool, Nakama for player data, and JSON-based Satori Feature Flags for extensive A/B testing.

Egerobot

Unity VR/AR Intern

2023 (4 months)

Developed virtual environments for Occupational Health and Safety. Designed realistic 3D virtual environments and implemented complex scenario logic utilizing Unity, allowing users to navigate and identify hazardous situations in a controlled digital space.

Omicron Game

Game Developer Intern

2022 (2 months)

Developed the 3D mobile game "Planet Explorer" from scratch. Handled the entire development process, including the implementation of character movement, trap mechanics, enemy AI logic, and the User Interface.

Yaclo Games

Freelance & Indie Developer

Jan 2021 - Present

Under the personal brand Yaclo Games, I both developed and published independent projects on the Google Play Store and provided freelance game development solutions for various clients.

  • Managed Google Play Console processes, including publishing games and handling updates.
  • Integrated systems such as In-App Purchases (IAP), Google AdMob, Achievements, and Leaderboards.
  • Actively resolved issues related to performance optimization, mobile device compatibility, and bug fixing.

Hunel Games

Game Tester

2020 - 2022

Involved in Quality Assurance processes. Created test teams, led testing operations, executed detailed testing of in-game mechanics, identified bugs, and contributed to overall game stability and user experience improvements.

Education & Certificates

Kastamonu University

Bachelor's Degree - Computer Engineering

2019 - 2023 | GPA: 3.17

Successfully graduated from the Computer Engineering program.

Member of Free Student’s Ideas: After completing Creative Drama training, I participated in organizing activities that made learning software more engaging and interactive, alongside receiving software development training.

SoftITo Game Developer Academy

06.03.2023 - 11.05.2023 | 320 Hours

Successfully completed 320-hour Game Developer Academy training supported by the Istanbul Chamber of Commerce (İTO). Built on foundational knowledge and skills from the Basic Competencies program. Gained expertise in Unity, C# scripting, game mechanics, and user interfaces.

Google Game and Application Academy

01.12.2022 - 28.07.2023 | 8 Months

I graduated from the Game and Application Academy, which was implemented with the support of the Ministry of Industry and Technology and the Presidential Digital Transformation Office, in cooperation with Google Turkey, the Entrepreneurship Foundation, and the T3 Enterprise Center.

Featured Projects

My Arcade Center v2
500K+ Downloads GamesMrkt

My Arcade Center v2 2024-2025

Sequel built with expanded management mechanics, deeper economy systems and enhanced live-ops.

My Arcade Center
1M+ Downloads GamesMrkt

My Arcade Center 2023-2025

Idle Arcade simulation. Generated $1M+ revenue. Integrated Nakama backend and managed WebGL ports.

Planet Explorer
3D Mobile Arcade Omicron Game

Planet Explorer Sep 2022

3D mobile game developed from scratch. Features astronaut protection with strategic trap placement.

Ball Blasting
Published Yaclo Games

Ball Blasting Jan 2021

My debut project on Google Play. Integrated Leaderboards, Google Achievements, Ads, and IAPs.

Indie Projects & Prototypes

Test Case
Seat Away

Seat Away Apr 2026

Technical assessment project demonstrating clean code principles. Built on Observer Pattern and Event-Driven architecture.

Freelance
Yolleliho

Yolleliho Nov 2025

Commercial freelance project involving full-cycle game development and mechanics implementation.

Test Case
Hexa Clash

Hexa Clash Apr 2025

Fast-paced test case project focusing on Hex grid mechanics and dynamic interactions.

Test Case
MiniFarm

MiniFarm Mar 2025

Farming simulation prototype evaluating resource management and inventory systems.

Test Case GamesMrkt
Match-3

Match-3 Oct 2023

GamesMrkt test case focusing on array manipulation and pooling.

Prototype
Shooter

Shooter Game Aug 2023

Fast-paced prototype focusing on gunplay and camera controls.

Prototype
OOP Gold

OOP Gold Collect Aug 2023

Deep dive into OOP principles, interfaces, and inheritance.

Test Case
Geometry Dash

Geometry Dash Aug 2023

Rhythm-based physics and scrolling assessment.

Published Yaclo Games
Paint Hit

Paint Hit Jul 2023

A colorful, addictive hypercasual game officially published on the Google Play Store.

Bootcamp
Bootcamp U46

Google Bootcamp U46 Jun 2023

Collaborative project from an intensive game dev bootcamp.

Prototype
Fish Master

The Fish Master Jun 2023

Deep-dive physics prototype with tension algorithms.

Multiplayer
Netcode

Netcode Project May 2023

Technical exploration into Unity's Netcode for GameObjects.

Completed
Color Change

Color Change May 2023

Hypercasual project focused on color-matching logic.

Game Jam
SoftIto Jam

SoftITo Jam Game May 2023

Developed during the SoftITo Game Developer Academy Game Jam.

Prototype
My Platform

My Platform May 2023

Classic 2D platformer prototype with state machines.

Completed
ZigZag

ZigZag May 2023

A fully completed endless runner game, analytical rebuild of procedural path generation.

AR Project
AR Medicine & Quiz

AR Medicine & Quiz Jan 2023

Augmented Reality educational app combining 3D visualization.

Prototype
Count Masters

CountMasters Jan 2023

Crowd-control mechanics and math-gate logic study.

Prototype
RTS Mechanics

RTS Mechanics Nov 2022

Strategic unit selection and agent commanding ground.

Game Jam
Magara Jam

Magara Jam #5 (Spite) Sep 2022

Rapidly developed entry for Mağara Game Jam.

Prototype Omicron Game
Save The Baby

Save The Baby Jul 2022

A prototype project focused on core gameplay mechanics and physics interactions.

Multiplayer
MP Training

Bridge Race Multiplayer Jun 2022

Multiplayer iteration fully integrated with PlayFab and Photon Fusion.

Test Case
ATM Rush

ATM Rush May 2022

Reverse-engineering test case prototype of stacking mechanics.

Test Case Omicron Game
Throwing Prototype

Throwing Prototype May 2022

Internship assessment utilizing parabolic trajectories.

Prototype
Bridge Race Prototype

Bridge Race Prototype Apr 2022

Technical prototype for NavMesh logic.

Game Jam
Zindhu

Zindhu Feb 2022

Hypercasual game developed during a Jam.

Game Jam
Hells Nightmare

Hell's Nightmare Feb 2021

Developed in 72 hours. Features 2D/2.5D integration.