Tic-Tac-Toe
April 2026
A hand-crafted browser Tic-Tac-Toe in a living world, with an original ambient soundtrack and a friendly CPU opponent, shipped in a single development day.
onedaygames.itch.io/tic-tac-toeCJ Connoy
Founder & Director, One Day Games. 32 years across Sony PlayStation, Treyarch, and Sony Interactive Entertainment.
CJ spent over a decade at Treyarch, running point on the first campaign maps for Call of Duty: Black Ops 1–4 and the first Zombies maps for Black Ops 3–4.
As Founding Producer at Deviation Games, a PlayStation-backed studio, he hired and managed a 60-person hybrid team and organized it from scratch into full production, alongside establishing external development. He later served as Founding Senior Lead, Design at SIE’s Dark Outlaw Games, leading prototype development for a new AAA IP.
Today, CJ runs One Day Games, an AI-native, mobile-first studio building games and sports applications. He also offers game development advisory for publishers and portfolio executives. The studio’s digital companions bring physical games to the browser. The work is a translation problem more than a porting one — taking a finished physical game and authoring its digital companion without losing what made the original feel like itself.
Selected work
Tic-Tac-Toe
Physical-game companions
The studio's core focus: taking a finished tabletop game and building its faithful digital companion — an interpretation, not a port, that stands beside the physical product without replacing it. What’s Under Your Bed? and Trash Dice are shipped and playable now. Play the companions.
Game development advisory
Studio assessments, milestone advisory, and hands-on production leadership for publishers and portfolio executives. Talk with the team. Play the build. Understand what is getting in the way, agree the next move, and follow through.
Work directly with CJ