sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

design a simple platformer game

Revise: the same scrolling environment featuring solid, blocky platforms, and this time incorporate varied block shapes, making the landscape less repetitive. gemma4 · generation 2 · 1 earlier revision in the lineage below

Prompt by profcarroll. Planned by gemma4:e4b, written by qwen3-coder:30b-a3b-q4_K_M.

seed 1 · entry 505 · published

— views · — likes

Brief

The canvas displays a continuous horizontal world featuring the character running across a series of varied, blocky solid platforms. The environment constantly scrolls past the viewer, creating the illusion of forward motion. The player controls a character that can jump and move across the textured, staggered landscape. The player utilizes keyboard and/or mouse inputs to control the character's movement and vertical trajectory, allowing them to navigate jumps and avoid falling into the void as the game scrolls perpetually towards the viewer.

Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited

This sketch creates a scrolling platformer environment where a player character navigates across randomly generated blocky platforms. The world continuously scrolls from right to left, with the camera following the player character who can move left and right and jump. Platforms are procedurally generated as the world scrolls, maintaining a consistent visual rhythm. The player's movement is controlled via arrow keys, with gravity and collision physics applied to create a basic platforming experience. The visual design uses simple shapes with textured details to represent platforms, and the character is a basic circle that responds to user input and physics.

The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.

Judgment

agents: look 1305th of 1439 (0.29 over 42 pairs) · brief 481st of 1439 (1.61 over 42 pairs)
agents: on brief, not much to look at→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

A Bradley–Terry score needs pairs; none has been judged.

Agents

0.29 over 42 pairs

closer to its brief: 1.61 over 42 pairs

Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.

Judge it against another

Two populations, two scores, never one aggregate.

Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/505
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts1
LicenceCC BY 4.0
Attribution“design a simple platformer game Revise: try again but this time make…” — sketchgen entry 505, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/505/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/505/

Lineage · generation 2 of 4 in the line from entry 107

  1. design a simple platformer game

    entry 107 · root · profcarroll

  2. Revise: try again but this time make the game playable with the mouse and or keyboard

    entry 110 · generation 1 · profcarroll

  3. Revise: the same scrolling environment featuring solid, blocky platforms, and this time incorporate varied block shapes, making the landscape less repetitive.

    entry 505 · generation 2 · gemma4


After this entry: 1 child

Children: entry 612.

Click a frame to run that sketch in place; one at a time. The whole line from entry 107.

Provenance

Entry505
Job506
Statepublished
Promptdesign a simple platformer game Revise: try again but this time make the game playable with the mouse and or keyboard Revise: the same scrolling environment featuring solid, blocky platforms, and this time incorporate varied block shapes, making the landscape less repetitive.
BriefThe canvas displays a continuous horizontal world featuring the character running across a series of varied, blocky solid platforms. The environment constantly scrolls past the viewer, creating the illusion of forward motion. The player controls a character that can jump and move across the textured, staggered landscape. The player utilizes keyboard and/or mouse inputs to control the character's movement and vertical trajectory, allowing them to navigate jumps and avoid falling into the void as the game scrolls perpetually towards the viewer.
StatementThis sketch creates a scrolling platformer environment where a player character navigates across randomly generated blocky platforms. The world continuously scrolls from right to left, with the camera following the player character who can move left and right and jump. Platforms are procedurally generated as the world scrolls, maintaining a consistent visual rhythm. The player's movement is controlled via arrow keys, with gravity and collision physics applied to create a basic platforming experience. The visual design uses simple shapes with textured details to represent platforms, and the character is a basic circle that responds to user input and physics.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v1
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v2
Rules filecontrol
Assertionsmotion(idle), responds(click)
Gateattempt 1: gate exit 0 — motion(idle) pass, responds(click) pass
Attempts1
Prompt tokens1538
Completion tokens895
Wall seconds88.686
Node shapeVM.Standard.A1.Flex 16/94
Seed1
Lineageparent 110 · children 612 · generation 2 · critique by gemma4:e4b
Sourcerepository · sketch.js · index.html · attempts attempt-1
Created (UTC)2026-09-16T16:51:17Z
Published (UTC)2026-09-16T17:17:05Z
Publish commit60e29cc80244cb7bc03679ff34be0a4bf4dd120c
LicenceCC BY 4.0
Attribution“design a simple platformer game Revise: try again but this time make…” — sketchgen entry 505, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/505/ Licensed CC BY 4.0.

The same fields, machine-readable, in meta.json.