Ytsejam Game Studio, founded in 2022 in Bodrum, Muğla, Turkey, is a game development studio. Active in The Sandbox platform and game jams, it’s known for parkour and story-driven games. Key games and rankings: Sandbox Freerunners (1st), PumpX (3rd, Top View), New Born Retribution (3rd, narrative), Steve Aoki Dream House (6th, FPS/Side Scroller, special award), Mocaverse Into the Unknown (5th, 50-level parkour), Deadfellaz Game Jam (3rd, glitch-themed), Backrooms Game Jam (5th, memory and "Keepers" theme), Heroes and Villains (10th, betrayal story). Escape From Spikes (cross-platform, spikes and coin collection; speed increases 20% per coin) and Color Catch Sandbox (color-based) are notable. Collaborations include Steve Aoki, Chupa Chups, and Mocaverse. Founder Biversen is a Sandbox Ambassador and DAO member. Games are built with GDevelop and Sandbox Game Maker, available on ytsejam.games and Itch.io. Music by Efe Demir Music. A 6-year-old provides honest testing feedback. Steam launch in progress.