Rip N Ship Simulator
Simulation · CasualOpen card packs on stream, ship orders and grow a basement card shop.
CodexSteamEnglish
90%SteamCopixel Studios
Download required
View on SteamSimulation Games Made with Codex
VibeGameDB lists 27 games in this group, 26% of the 104 games on the Codex page. Each one has a source for how it was made. 21 are free or free to play and 4 are paid; 14 can be played in a browser. The most recently added is 야구 못하면 또 환생함: 투수 키우기 (November 2026).
- Games
- 27
- Free / paid
- 21 / 4
- Most used engine
- Three.js
- Last updated
- Nov 5, 2026
Engines (top 5, where disclosed)
- Three.js7
- Godot6
- No engine (HTML5)2
- Phaser1
- Unity1
Platforms (top 5)
- Browser14
- itch.io11
- Steam3
- GitHub3
- TapTap2
All 27 games
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
Kansō
Simulation · CasualGrow, prune and shape a living bonsai tree in a calm 3D garden in the browser.
CodexBrowserEnglish
No ratings yetskelly (mrsukeruton)
Plays instantly in the browser
Play free — official site
军师：汉室未央
Strategy · SimulationAdvise Liu Bei month by month in a Three Kingdoms strategy story, built with Codex.
CodexTapTapChinese (Simplified) only
7.7TapTap四方客游戏工作室
Demo available
View demo on TapTap
Void Explorer
Simulation · AdventureTrending
Fly from orbit down to a planet's surface — an OpenAI demo game built in Codex.
CodexBrowserEnglish
No ratings yetThomas Ricouard
Plays instantly in the browser
Play free — official site
Otherlife
Life Simulation · SimulationA Chinese-language pixel life sim with branching timelines, mostly coded with Codex.
CodexBrowseritch.ioGitHubChinese (Simplified) only
No ratings yetLancerLSY
Plays instantly in the browser
Play free — official site
TECHNICAL DEBT
Simulation · Life SimulationA dark-comedy household management game on a fake retro family computer: feed the family, chase reward points, outrun the debt.
Codexitch.ioEnglish
No ratings yetCult Of Communication
Plays instantly in the browser
Play free — itch.io
开局避难所：生存100天
Strategy · SimulationA Chinese-language mobile survival game: build up a shelter camp by day and defend it at night for 100 days.
CodexTapTapChinese (Simplified) only
8.1TapTap游戏小付的工作室
Mobile app
View on TapTap
Cream's Cozy Cottage
Simulation · CasualCare for a cat and merge materials into beds and toys for a small cottage.
Codexitch.ioEnglish
3.5/5itch.ioCream's Cozy Cottage
Plays instantly in the browser
Play free — itch.io
Epic Space Battles
Strategy · SimulationA sci-fi fleet auto-battler above Earth, scripted in Godot with Claude Code and Codex.
Claude CodeSteamEnglish
No ratings yetBlueGamer Productions
Download required
View on Steam
Hacker Story
SimulationA browser simulation game whose code was largely written with AI tools such as Claude Code and Codex.
Claude Codeitch.ioEnglish
No ratings yetevildojo
Plays instantly in the browser
Play free — itch.io
Chip Fab Story
SimulationA real Famicom/NES game about running a chip fab from 1971 to AI superintelligence, wrapped for phone browsers. The developer says it was built entirely inside the Codex app, and lists Codex on the team.
Codexitch.ioBrowserEnglish
5.0/5itch.iodamijin
Plays instantly in the browser
Play free — official siteFree
Houses of Veyra
Strategy · RPG · SimulationA free feudal sci-fi sandbox strategy RPG for the browser: lead a minor noble house across a living campaign map and fight real-time squad battles. The developer says Claude Code writes the code.
Claude Codeitch.ioEnglish
5.0/5itch.ioJonnySoft
Plays instantly in the browser
Play free — itch.io
Silent Shark
Simulation · StrategyA map-based WWII submarine sim set in the Pacific: plot contacts, estimate range with a stadimeter and build firing solutions by hand. The developer says Codex wrote all of the code.
CodexSteamBrowserEnglish
97%SteamJohn Goering
No download needed
View demo on Browser
ヒマネジ
Casual · SimulationTap machines to make screws, grow a factory and launch rockets across six stars in this free browser idle clicker; its developer says Claude Code implements it and Codex reviews.
Claude CodeBrowseritch.ioEnglish
4.0/5itch.ioレノン
Plays instantly in the browser
Play free — official siteFree
PIP's Halloween Pop-up Shop
Simulation · Casual · PuzzleHelp little demon PIP run a Halloween costume shop in a human town, matching costumes to customers' clues, in English or Traditional Chinese. The developer says Claude wrote the code and tests.
Claudeitch.ioEnglish
No ratings yetAMIEJM
Plays instantly in the browser
Play free — itch.io
Exile Alchemy
SimulationA cozy falling-sand factory game: an exiled alchemist digs, sorts and transmutes soil into gold, then builds machines to do it.
Claude Codeitch.ioEnglish
No ratings yetjpetree331
Plays instantly in the browser
Play free — itch.io
Nightshoal
Simulation · AdventureA 1920s fishing and exploration game around an uncharted archipelago: chart the islands, fill the hold and get home before the rum-runners come out after dark. The developer says most of the code was written with Claude in Claude Code.
Claude Codeitch.ioEnglish
No ratings yetProFactor
Demo available
View demo on itch.io
야구 못하면 또 환생함: 투수 키우기
SimulationTrending
A paid iPhone baseball career game: raise a high-school pitcher, throw the key pitches yourself, and if no pro team drafts you, be reborn and try again. The solo developer says it was planned with ChatGPT and built in Codex.
CodexApp StoreEnglish
No ratings yetSOLMATTER Co., Ltd.
Mobile app
View on the App Store
TapToyPia
Casual · SimulationA short tap-to-explore settlement game on a new planet, built mostly with Codex; zoom out from the 2D map to a 3D globe.
CodexBrowserEnglish
No ratings yetmemalign
Plays instantly in the browser
Play free — official site
Almost Surgery
Simulation · HorrorRun an unlicensed basement surgery for aliens: saw, cut and electrocute for money. Vibe Jam 2026's “Most Cursed” award.
CodexBrowserEnglish
No ratings yetRagim Musakaev
Plays instantly in the browser
Play free — official site
Flying Car Simulator
Arcade · SimulationUnofficial · third-party IP
A free multiplayer meme game in the browser: drive, boost and fly a sports car through stunt courses, highways and a neon city. The developer says Codex with the model Astra did most of the work, and Claude Code polished the graphics.
CodexBrowserEnglish
No ratings yetjonniek
Plays instantly in the browser
Play free — official siteFree
GET ME THE PICTURES!
Simulation · CasualWork the copy desk of a 1970s-style newspaper and type six photo assignments into a finished edition before the presses run. The credits say the code was written by GPT Astra through Codex.
Codexitch.ioEnglish
No ratings yetThe UVB-76 Project
Plays instantly in the browser
Play free — itch.io
Graveacre
RPG · SimulationA free pixel-art idle survival game in a French valley overrun by the dead: pick what your survivor does and they keep at it while the game is closed. The developer says Claude Code wrote most of the code.
Claude CodeBrowserEnglish
No ratings yetJuicedead
Plays instantly in the browser
Play free — official site
Little Flock
Simulation · CasualA cozy multiplayer sheep-farming game in 3D in the browser: build a shelter, raise 12 breeds of sheep, grow crops and share a farm with friends. The developer says GPT 6 Astra in Codex made it one-shot from a single /goal run.
CodexBrowserGitHubChinese (Simplified) only
No ratings yetSongkeys
Plays instantly in the browser
Play free — official site
SimDrive
Racing · SimulationA multiplayer racing sim for a shared screen, where each player's phone becomes a tilt-to-steer controller with haptic and sound feedback.
CodexBrowserEnglish
No ratings yetSilly Goose
Plays instantly in the browser
Play free — official site
SLOP CITY
Simulation · AdventureUnofficial · third-party IP
A free, open-source first-person 3D city with 40 kinds of jobs, salvage, a pawn shop, a subway and the developer's TikTok videos on its billboards. Created with Codex, per the developer.
CodexBrowserGitHubEnglish
No ratings yetMachine Publishers, LLC
Plays instantly in the browser
Play free — official site
The Far Colony
Strategy · SimulationA strategy game played from the alien side: grow a living colony across the moon while human machines try to burn it out.
CodexBrowserEnglish
No ratings yetMoeMagicLantern
Plays instantly in the browser
Play free — official siteFAQ
- How many simulation games were built with Codex?
- VibeGameDB lists 27 simulation games whose developers say they were built with Codex, each with a source for that claim.
- What engine do most simulation games built with Codex use?
- Three.js: 7 games (26%). Games whose engine is not disclosed are not counted.
- How many are free?
- 21 of the 27 are free or free to play; 4 are paid. Prices are recorded per store.
- Which game was added most recently?
- 야구 못하면 또 환생함: 투수 키우기, added in November 2026.
Related pages
Free Games Made with Codex77Browser Games Made with Codex53itch.io Games Made with Codex30Action Games Made with Codex29Casual Games Made with Codex26Arcade Games Made with Codex20Strategy Games Made with Codex19Steam Games Made with Codex17Open-Source Games Made with Codex16Roguelikes Made with Codex15Paid Games Made with Codex13Multiplayer Games Made with Codex13Puzzle Games Made with Codex12Adventure Games Made with Codex12Management Games Made with Codex11Exploration Games Made with Codex10Physics Games Made with Codex10RPGs Made with Codex9iPhone & iPad Games Made with Codex6Racing Games Made with Codex6Card Game Games Made with Codex6Choice-Based Games Made with Codex6Flight Games Made with Codex6TapTap Games Made with Codex5Idle Games Made with Codex5