You can build multi-player video games with Claude Code and Codex w/GPT-5... Without writing a single line of code.

Use Claude Code and Codex in the web: https://www.sandbox.dev/

In this video I go head to head with Vishal (https://x.com/vishal_dubey1)

Who can build a better video game in 7 prompts?

Vishal is using Claude Code I am using Codex with GPT-5

We're using these tools in the @sandboxvibe so we can just use them in the web and immediately share the links, and play each others game.

To vote for winner RT and comment below who you think won. (Prize: Selecting 5 people who vote to win $1000 worth of @sandboxvibe credits)

TIMESTAMPS:

00:00 Intro

01:01 Vishals Stack (Claude Code)

02:51 First Prompt with Claude Code Star Wars Game

04:19 What is "UltraThink" on Claude Code?

05:39 Rileys App Idea for Codex with GPT-5 High

07:33 Why Codex is the best Model in the world for Coding

08:16 First Prompt with Codex on Sandbox (Riley's Stack)

11:13 Vishal Testing his app

12:16 Prompt 2 - Simplifying Claudes Over Creativity

15:17 The Game Codex Created

15:57 Riley Prompt 2 - Making Changes to Characters and Cars

17:07 Creating Github Repository for Game Assets and Later Use

20:07 Adding Ability to Shoot Lasers

22:54 Prompt 3 Riley Testing Sound Effects

23:39 Adding More sound effects and changing the characters in game

28:41 Vishal Added Enemies - Testing

30:21 Prompt 4 - Adding Health Bars and making movement more realistic (Vishal)

33:34 Adding Real Time DB and Auth

37:28 Refining Controls

40:39 Riley Testing Database and Auth with Codex

41:20 The Multi Player Game Works!

43:36 Fixing MultiPlayer and Game Creation issues and adding Grenade

45:54 Advice on Database

46:32 Vishal... 2 Prompts left

48:13 Fixing Aiming Issues

49:41 Vishal Compacting Claude Code

52:09 Fixing the Grenades Spawning Location

52:48 FINAL PROMPTS

58:27 Adding Health

59:15 The Games are done: Final Testing

01:04:47 Final Thoughts and Chance to Win $1000 Worth of Credits