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Games Use Cases with Jev AI

Playable games and game-playing systems where Jev decides moves or mechanics.

42 entries
X Post · Games

Jev Speed Card Game

A human plays Speed against a Jev opponent, with judgment confidence, latency and rule-validation panels.

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Detroit AI Player preview
Project · Games

Detroit AI Player

The adapter lets a typed classifier choose among a game's existing actions while enforcing that the answer is one of the offered options and has the highest reported probability.

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See how it works →GitHub ↗
★ 61
X Post · Experiments · Games

Jev and Opus Tetris API Race

Two models play the same Tetris piece sequence while a live dashboard compares outcomes and response times.

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X Post · Games

Jev Codenames

A playable Codenames experiment puts Jev in the game; the public post does not show the call.

Runs on demand
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X Post · Games · Experiments

Jev Doom Multiverse

A Doom agent tries parallel futures from one checkpoint, compares outcomes, and continues from the best branch.

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X Post · Games · Experiments

Jev Catan Bots

Several Jev-controlled players attempt to play and negotiate in a forked Catan game.

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X Post · Games

Whale City Jev Game

A story game keeps a city on a whale alive through Jev-selected actions and generated video scenes.

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JevHarness preview
Project · Games

JevHarness

LLM-authored task-specific Jev harnesses with optional full-trajectory reward reflection and GEPA evolution.

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See how it works →GitHub ↗
★ 429
X Post · Games · Experiments

Byte predicts rock-paper-scissors

Can Jev read a human? Play rock paper scissors against Byte. Every round he predicts your next throw before you make it, then plays against that read. His move is committed before you pick, so he can't change it after. Stakes settle over A…

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X Post · Games · Experiments

Jev beats Super Mario Bros

Jev beat Super Mario Bros. Every moment, the simulator returns structured data of the game's current state, such as Mario's position, nearby enemies, and terrain, and simulates possible actions like jumping and running. Jev returns a proba…

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X Post · Games · Experiments

Jev plays Balatro

Jev from @typesafeai plays @BalatroGame. Every hand it sees the cards, jokers, and blind, then picks play or discard in ~200–500ms. After the ante, it shops too. A full run costs less than a cent.

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X Post · Games

A Tetris placement picker

TypeSafe's Jev plays Tetris better than me!! We hooked it up to a Tetris game. Every piece, it looks at the board and all the spots the piece could land, and picks one in about half a second. A whole game cost us less than half a cent. The…

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X Post · Games

Switch between manual and AI play

Had some fun taking Jev from @typesafeai for a spin, switching seamlessly between manual and AI-driven gameplay. It’s clocking 2–3 calls/sec at 60 FPS, with ~150ms avg latency. The most interesting part wasn’t the speed, though. It was dis…

Runs in realtime
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X Post · Games · Experiments

Connect Four on Omarchy

We put Jev inside OmarchyLinux @dhh to play Connect Four. It reads the board, chooses a move, watches the opponent respond, then Hermes reviews the result and tries again. 6,499 model tokens. Cost: $0.00022113. This is what structured stat…

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Project · Games

Jev Arena

I've had access to Jev by @typesafeai for about 30 hours now and I can't stop thinking of the million places it can be used 🤯 Meanwhile, checkout this fun snake game I built where 2 Jev's compete with each other to take the trophy 🏆 Try it…

Runs in realtime
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See how it works →X post ↗GitHub ↗Website ↗
★ 0
X Post · Games

Flappy Apex plays itself

That’s Jev playing Floppy Apex, passing the previous best score and not thinking of stopping anytime soon 🏆 It was wired up by Apex via Appduct, with some adjustments made in Fable. @AgentConf

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X Post · Games · Experiments

Chrome Dino with live decision scores

@typesafeai jev playing chrome dino! the model is incredibly fast! - avg response time: ~280ms - spent 116M tokens - cost? just $4.65. - the input here is a snapshot of the chrome runner - jev decides whether to jump, run or duck with a co…

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X Post · Games · Experiments

Jev beats Brock in Pokémon FireRed

Jev just beat Brock in Pokémon FireRed in less than 5 minutes. That’s 5 minutes of actual real-world time. You can see the in-game time in the video. This is a completely different way of having an LLM play a game. Jev doesn’t see pixels o…

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X Post · Games

Jev Minecraft Agent

A gameplay prototype uses Jev to automate Minecraft for extended sessions at low token cost.

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X Post · Games · Experiments

Jev plays Slay the Spire 2

昨天出的 Jev 模型 适合高频决策，那岂不又是适合打游戏？ 之前用 GPT-6 Astra 代打杀戮尖塔2 能力强但速度慢。 我刚实测用 Jev 打，行动思考只需 0.7秒， 画面我都没看清它就操作完了。 这超人类游戏速度， 着实又让我震惊瘫坐了😅 语言很难描述这感觉，看视频⬇️

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X Post · Experiments · Games

Jev plays Tetris

Puse a Jev, la nueva IA de @typesafeai, a jugar al Tetris en modo súper difícil. Decidió cada jugada en unos 0,3 segundos. Acomodó 357 piezas e hizo 134 líneas en solo 2 minutos. Increíble.

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