Games built with Jev

With a party of level-40 Pokémon, all for under $0.03.

Jev controls the enemy in real time, and the probability of each decision shows on screen before it strikes.

Byte predicts your next throw before you make it and commits its move first. Can Jev read a human?

Every second Jev reads the game state: will blue win, who has the biggest impact, is the leader about to throw. ~$0.20 per game.

After a while the Jevs refuse to negotiate with each other and just skip their turns.

From a snapshot of the runner, Jev decides to jump, run or duck with a confidence score. ~280 ms per move, 116M tokens for $4.65.

Jev places every piece in a game of Tetris.

Jev steers every 300 ms and, when unsure, hands off to a big model. It flew on its own 99% of the time.

Jev reads the board and picks a move; Hermes reviews each result. 6,499 tokens for $0.0002. Runs inside Aria.

The simulator reports Mario's position, enemies and terrain; Jev returns a probability for each action, focused on staying alive.

For every piece Jev looks at the board and all possible landing spots and picks one in about half a second.

On every tile Jev returns a direction plus danger, trapped and regret flags.

Jev picks the moves while parallel sandboxes try several futures from the same checkpoint; an LLM reviews and rewinds when needed.

A reasoning model on the left, Jev on the right, in the same Combos shooter. Not even close on speed.

Can Jev shoot and avoid getting shot? With a good harness it gets far in the arcade classic.

Jev plays Clash Royale and takes a match.

3D space, objectives, zombies and puzzles: an extreme test for a decision model.

Jev decides every jump in Geometry Dash.

2–3 calls a second at 60 FPS with ~150 ms latency. The real work was distilling the game into variables, actions and criteria.

After beating Brock in under 5 minutes, Jev resets and checks starters on a loop until it finds a shiny.

Jido agents with ReqLLM call Jev to decide each move.

Wired up by Apex via Appduct, Jev passes the previous best score and keeps going.

Three Jev-controlled bots drop into a first-person shooter.

Jev generates playable game levels on the fly, fast and cheap enough to build the level while you play.