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SpawnPoint-Coder-7B

A 7B model that generates Godot 4 games. Fine-tuned for Spawn Point, an open-source autonomous game studio: you describe a game in plain English or Vietnamese, the model writes the game design as strict JSON, and Spawn Point compiles it into a playable Godot 4 project (scenes, GDScript components, levels, sprites) that runs on desktop or in the browser.

What it does inside the pipeline:

  • Design: game idea → the game's design (one small schema per genre: character, abilities, enemies, goal, art style, feel).
  • Tweak: "jump 20% higher, add a sword, make it cartoon" → a precise patch of the game.
  • Edit an entity: "double its health and make it shoot fireballs" → component and parameter changes.

4-bit AWQ, runs on a single 12 GB GPU.

What's new in v5.1 and v5

  • v5.1 fixes prompts that name the player only indirectly ("a tank shooting monsters": the tank is now the hero, not the default "Hero").
  • Side-scrolling shooters ("a falcon ship fights drones and saucers, the boss is a mothership"): enemies that fly straight, in waves, dive at you or stop and shoot; power-ups; a boss.
  • Vietnamese is read directly: no separate translation step, so names come out right ("chú vịt" is a Duck).
  • One small schema per genre: shorter answers and prompts (a third of the v4 prompt) and no cross-genre mistakes such as a rescue target in a farm.
  • Fixes from v4: "a wizard shooting skeletons" keeps the shoot ability, "collect coins" is a collect goal, an unnamed pickup is a Coin.

Needs Spawn Point 0.3 or later: v5 answers in the per-genre format. Older Spawn Point versions expect the v4 format; use release v4-release of this repo with them.

Run it

docker run --gpus all -p 8000:8000 --ipc=host vllm/vllm-openai:v0.10.2 \
  --model smoky1496/SpawnPoint-Coder-7B-AWQ --served-model-name SpawnPoint-Coder-7B --max-model-len 16384 --gpu-memory-utilization 0.85

Then Spawn Point finds it automatically at http://localhost:8000/v1.

Evaluation

Hand-written prompts in English and Vietnamese through the whole pipeline, same server and sampling for both versions. Sealed sets were written before training and not looked at until the release decision. The first two rows include prompts about the genre v4 did not know, so v4 cannot be expected to answer them.

benchmark (prompts fully right) v4 v5 v5.1 (this release)
sealed set: shooters and the v4 fixes (16 prompts) 56% 88% 75%
dev set: shooters and the v4 fixes (24 prompts) 54% 83% 83%
sealed set: farms, tower defense, cartoon (12 prompts) 67% 92% 92%
16 prompts: farms, tower defense, melee, cartoon 75% 75% 94%
sealed set: the first nine genres (12 prompts) 67% 58% 75%
30 human-written prompts 87% 80% 87%
12 prompts: bubble, rescue, survivor 92% 92% 83%

Where v5.1 is still behind: the sealed set of 16 shooter prompts at full precision (88% in v5, 75% in v5.1; the 4-bit builds below score higher, which is within run-to-run noise) and the newest 12-prompt set. Some prompts are genuinely ambiguous ("a space shooter" can be a side-scrolling shooter, "a farm game" a farming game). Results vary by one to three prompts per set from run to run, so read differences of one or two prompts as noise.

Held-out synthetic examples with one exact answer (v5 format only): briefs 74%, tweaks 98%, entity edits 100%.

The 4-bit AWQ files you download, measured the same way:

benchmark (prompts fully right) AWQ build
sealed set: shooters and the v4 fixes (16 prompts) 88%
30 human-written prompts 80%
dev set: shooters and the v4 fixes (24 prompts) 88%

Limitations

  • Fine-tuned only for the 2D game kinds Spawn Point builds: platformers (including rescue missions and sword fighting), top-down arenas and survivors, bubble shooters, farming games, tower defense and side-scrolling shooters. Other genres (3D, RPG systems, card games, racing…) and free-form Godot coding were not part of the training data, so expect results no better than a general 7B coder model there.
  • Prompts that do not say the genre can be read either way ("a space shooter" may come out as a side-scrolling shooter, "a farm game" as a farming game).
  • It writes Spawn Point's JSON formats; the GDScript itself comes from Spawn Point's tested component library, not from the model. Outside Spawn Point it is a general coding model with a narrow specialty.
  • Occasionally one detail of a request is missed (an enemy's name, a palette); Spawn Point's validator and normalizer catch most of these.

License

Apache 2.0, see LICENSE and NOTICE.

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