Platformer Toolkit

Tune a platform character and test how its movement changes.

by Game Maker's Toolkit

Play

Opens on gmtk.itch.io

Report / request for this game

Collected link — not evaluated. Play unverified. No child-suitability or successful gameplay claim.

About this game

This interactive game-design essay lets you adjust more than 30 movement variables. Speed, jump height and coyote time are examples; a sample level lets you try the resulting character.

Objective

Explore how movement settings affect a platform character.

Progression

Adjust settings and play the sample level.

Guide based on official sources; this is not a new gameplay or mobile compatibility test.

Creator itch.io interactive-essay description, movement-variable examples, keyboard/controller Controls and Educational/Platformer metadata. Download-only F/Escape actions excluded from browser guidance.

Open play page

Game languages: EN — Creator game-specific Languages metadata; unknown when absent. Not inferred from page language.
Last recorded check: 2026-10-25T18:50:06.161Z
Desktop: not_checked
Mobile: Not checked
User ad reports: No public ad-report summary. Ads may exist.
Age rating: Not verified
AI use (optional creator information): Creator information — No game-specific AI claim verified.

How to play

Space/J jump; T toolkit; C narration continue; P skip line. Controller alternatives are listed on the official page.

Image credits

Original HopJelly illustration. Illustration — not actual gameplay. No original game artwork copied.

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