devwithjev
— reading now— views
Submit a build

Jev Plays Official Tetris Levels 1–30

Mousoom used Jev to play official Tetris from level 1 through level 30.

Mousoom@mousoommudoi𝕏
me: finally gets access to Jev - @typesafeai also me: immediately makes it play official Tetris level 1 → 30 in . ~16 cents (my rough math). Crazzyyyyyy🤯 Play it in 2x. ✌️ https://t.co/AAeMzK4M3n
Sep 18, 2026X postsView on X
Mousoom said they had just gained access to Jev through @typesafeai. They recommended playing the run at 2× speed.

Also filed under Games & real time

  • Steer a 3D Box with Goals

    The build steers a 3D box with plain-language goals. An LLM plans each instruction, while TypeSafe Jev makes move, turn, and jump decisions in real time.

  • Benchmarks Jev on Pokémon Red

    The project benchmarks Jev, TypeSafe’s fast decision model, against Jev paired with a GPT-6 Sol planner for playing Pokémon Red.

  • Plain-English Cellular Ecosystem Simulator

    LifePot is a cellular automaton-inspired ecosystem that users describe in plain English. Jev turns those inputs into species, feeding relationships, reproduction strategies, and environmental conditions.

  • Mapping Children's Behavioral Intent in Games

    Mores Research used Jev to map children’s behavioral intent in games and examine how it correlates with real-world behavior. It reports mapping intents across 45+ real sessions involving 20 child users over a long horizon.