Epic Stickman: Survival RPG
Rebuilt the starter pack into a high-converting entry offer with a phased A/B test program, for Zitga via Mobile Game Doctor.
- +170% pack conversion
- +32% ARPU
Ibrahim Hosceylan · Senior Game Designer
I turn “eh, maybe” into “just five more minutes.”
Eight years across PvP, RPG, and hybrid puzzle games. I take them from first prototype through launch and live-ops, designing the core gameplay, economy, and systems behind them.
Studios I've worked with
Play it now · Free in your browser
Voxel Raid
My own incremental clicker game. Build a squad, send them into a dungeon, and tear a voxel boss apart block by block. It runs right here in your browser.
Play it now · Free in your browser
Stray Cat Bistro
A cozy idle management game. Mittens the stray opens a fish stand in a rainy alley and grows it into a bustling bistro, one upgrade at a time. Built in Unity and runs right here in your browser.
Selected work
Shipped mobile titles across PvP, RPG, and hybrid puzzle.
Goal Battle
Game designer from prototype through live-ops: built the retention ladder from onboarding to the evergreen Champions Arena, plus gacha, economy, and events.
- 5-figure daily bookings
- +32% D1 retention
Timeline Up!
Led the Timeline Up team at Rollic Games: a guardrailed rewarded-ad test, a whale-focused hero feature with a cycling lucky wheel, and a guild system anchored by a 6-day cycling Guild War.
- +28% WoW ARPDAU
- +13% ad revenue
Pig Loop
Live-ops and retention consulting for Zitga's hybrid puzzle game: re-paced the event schedule and tackled a Day 30 drop-off.
View project →
Word Rush
Designed the social systems, team play and chat, behind its growth.
- 6M users
- 90K concurrent
Tiny Minies
Defined core design and UX from engagement metrics; designed 10 cognitive mini-games and a parent reporting system.
- Top 10 US kids app
- 1.5M users
Let's talk
Open to senior game design roles and consulting. Based in Istanbul, available remote.
ibrahimhosceylan@gmail.com