All Opus 5.5 videos › Games

Smash Bros.-style game logic built entirely in code

by おのふみ| 3D×動画生成×個人開発 (@onofumi_AI) · Sep 23, 2026

ぅゔゎぅーーーー Opus5.5に2回指示しただけで、スマブラの仕組みが丸ごと組み上がりました。重力、吹っ飛び(%が溜まるほど飛ぶ)、当たり判定、崖つかまり。それに加えて、CPU4人が相手の攻撃を見てガードし、転がって避け、場外に飛ばされたら2段ジャンプで戻ってきます。物理エンジンもゲームエンジンも使っていません。約30分、全部コードです。
— おのふみ| 3D×動画生成×個人開発 (@onofumi_AI) Sep 23, 2026

Prompt

The author did not share the prompt. Ask on X.

Category: Games
Stack: Physics
From the author: About 30 minutes, all code, no physics engine or game engine.
On X: 97 likes · 12K views · 40 saves

More games

GamesPrompt0:23

Playable Minecraft-style browser game with advanced shaders

@noahwachnik♥ 5.3K

GamesPrompt1:02

3D computer simulation with logic gates, OS, and a running game

@mattshumer_♥ 1.8K

GamesPart of prompt2:08

First-person three.js game scene polish and lighting pass

@maxt3chno♥ 1.6K

GamesPrompt0:18

Single-file HTML game reward animation with 3D chests and effects

@op7418♥ 1.2K

Three.jsWeb AudioCanvas

GamesPart of prompt1:30

Roblox Minecraft-style game prototype built overnight

@albie_io♥ 1K

GamesPart of prompt0:18

Interactive 3D gummy octopus you can grab and stretch

@vib3coded♥ 712

GamesPrompt1:21

Cute three.js mini-game with seasonal mode switches

@studio_veco♥ 677

GamesPart of prompt3:09

Browser-based first-person Three.js game with swimming, boat, and inventory mechanics

@maxt3chno♥ 607