Shooter · Horror · made with GPT

Effective Immediately

Shoot your way out of a collapsing office nightmare as a burned-out worker.

Plays in your browser 2026 Vibe Coding Game Jam: rank 25 of 945
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About Effective Immediately

Effective Immediately turns a bad job into a first-person shooter. You play a burned-out worker fighting through the twisted spaces of a surreal, decaying corporate office, trying to escape before the system consumes him.

The look mixes 2D animated characters with breakable 3D office props, all in a comic-book horror style. According to the creator, it was built with Codex on Three.js, which handles the breakable props and the flat characters in one 3D space. It placed 25th of 945 at Vibe Jam 2026.

The pace is fast and violent, in the spirit of old browser shooters. Workplace pressure is made literal here, and the sense of losing your mind under a controlling employer drives the mood while you shoot your way out of the collapsing office.

How it was made

Most of the code was written by AI. Source: Vibe Jam 2026 submission form.

Evidence: the creator's own account.

AI provider
OpenAI
AI tools
Codex
Engine
Three.js
Players
Single player
Make one like itCodex game development: a practical guide

Screenshots

  • Effective Immediately screenshot 1

Questions about Effective Immediately

Is Effective Immediately free to play?

Yes. Effective Immediately runs in your web browser at no cost, with no download or account needed.

Which AI was used to make Effective Immediately?

Effective Immediately was made with Codex and GPT. Most of the code was written by AI, according to the Vibe Jam 2026 submission form.

Can I play Effective Immediately on my phone?

Effective Immediately is built for desktop browsers. It may not work well on a phone.

Who made Effective Immediately?

Effective Immediately was made by Lucas Teixeira. See their profile on GamesByAI for their other games.

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