Jelte ten Holt

When sabotage damages Jupiter's engine, Earthborn arrivals and cloned natives must overcome their resentment, find the saboteur, and rebuild the engine before the exit window closes.

What does a solitary apex predator want at the top of a society? Vaelezar is a dragon and a psychopath. Here we explore how that affects the people and her bloodline, where her children are prey.

Meet the Parasite, one of the monsters in our horror one-shot for The Persistence. We're looking for GMs and players to join a free beta test.

Magic would not sit on top of a medieval world. It would create something entirely new, affecting crafting, politics, culture, and what it is like for those without access.

The Flux takes a quantum mechanics concept as its world-building premise and follows it all the way down, to where wanting to be alone is a sin.

How we use AI at In Other Worlds, and how we don't. Our disclosure rules, where the lines sit, and why we made this deal with our eyes wide open.

In most fantasy, religion is wallpaper. Make the god real, present, and dangerous, and worship becomes strategy: six ways to live with what you cannot fight, flee, or love.

A spell list is a menu. Treat spells as sentences instead, a verb on an object, and a handful of symbols covers a near-infinite range.

A player thanks D&D for a moment the rules never allowed. Mistaking one game for the whole hobby quietly costs it players.

Fantasy treats immortality as a gift. Follow the mechanism instead of the myth and you get something else: something beautiful, hard, and brittle.

Every fantasy world I imagined came out like wallpaper — colourful, busy, and thin. The problem wasn't a lack of imagination. It was bandwidth.

A rules-obsessed game master, a blow-up over fudged dice, and the table I walked away from — the origin of a system built on immersion first, rules a distant third.

Our first attempt at an interview where Oytun asked Jelte some questions.